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Author: Hilary

Why Exercise Alone Often Isn’t Enough for Weight Loss

New TAU-led study reveals how the body adapts to physical activity by conserving energy elsewhere

Many of us invest considerable time and effort in physical exercise with the goal of losing weight, yet the results often fall short of expectations. A new and groundbreaking international study, led by researchers from Tel Aviv University in collaboration with colleagues in the United States, provides a comprehensive scientific explanation for a question that troubles many: Why doesn’t physical activity alone lead to significant weight loss, despite sustained training efforts?

The answer: As exercise increases, the body becomes more energy-efficient. Key energy-consuming organs, such as the liver and kidneys, shrink in size, while energy expenditure in other daily activities declines.

The study was led by Dr. Tzachi Knaan as part of his doctoral research in the laboratory of Prof. Yftach Gepner of the School of Public Health and the Sylvan Adams Sports Institute at Tel Aviv University. It was conducted in collaboration with Prof. Ed Melanson of the University of Colorado, Prof. Gal Dubnov-Raz, Prof. Carmit Levy, Prof. Chen Luxenburg, and additional students from the participating laboratories. The findings were published in the journal Communications Medicine.

The Body Burns Less Energy Elsewhere

Participants who were overweight were recruited for the study and completed a supervised aerobic walking program (4–5 times per week) over a 12-week period. Throughout the study, energy expenditure, activity levels, dietary intake, and even changes in body composition were precisely measured using advanced technologies. Despite burning hundreds of calories per week through physical activity and improving their overall fitness, participants did not lose weight. However, they did show improvements in body composition, with reductions in fat and increases in muscle mass.

So why didn’t their body weight change? According to the researchers, the body simply adapted to the new situation. Among other findings, they observed a decline in resting metabolic rate, indicating that the body offset the increased activity by burning fewer calories at rest. In addition, participants became more efficient in their movements, expending less energy while performing the same daily activities.

Another surprising finding concerns the body’s internal organs: the researchers found a decrease of about 5 percent in the volume of the liver and kidneys — major energy consumers — while the brain remained unchanged. The implication is that the body reduces its internal energy expenditure in order to compensate for the increased demands of physical activity.

However, contrary to common assumptions, the researchers found no significant increase in food intake. In other words, the observed compensation does not stem from eating more, but from physiological and metabolic adaptations that reduce total energy expenditure.

“The Human Body Is Extremely Sophisticated”

Dr. Tzachi Knaan explains: “The human body is extremely sophisticated — it knows how to adapt itself to maintain balance. Physical activity is very important for good health, but when it comes to weight loss, it is not always sufficient on its own. The implication for the public is clear: exercise is a vital component of a healthy lifestyle — it improves fitness, reduces fat, and improves health indicators — but to see significant weight loss, it must be combined with the appropriate nutrition.”

The researchers note that the new study sheds light on one of the major questions in health and fitness and may even change the way we think about weight loss. Instead of relying on exercise alone, the most effective approach is likely to involve a proper combination of physical activity, nutrition, and an understanding of the body’s mechanisms.

Prof. Yftach Gepner concludes: “This study offers a window into an evolutionarily rooted mechanism of energy compensation. In the past, when food was not available near the tribe, hunters and gatherers had to travel considerable distances, necessitating a reduction in energy expenditure in order to successfully return to the tribe with food. The central message is that physical activity alone is not designed to reduce weight. For years, science has shown that weight loss resulting from exercise is more limited than commonly expected, and in this study, for the first time, the mechanism of organ shrinkage that explains this phenomenon was observed. It is important to emphasize that physical activity has unique and substantial health benefits — but it is not intended, on its own, to lead to weight loss.”

New TAU Treatment for Spinal Cord Injuries Shows Dramatic Recovery Results

Researchers developed an innovative therapy that reduces nerve cell damage after spinal cord injury and restored up to 80% of motor function in animal models

A new study led by Tel Aviv University offers real hope to millions worldwide affected by spinal cord injury (SCI), a devastating condition in which damage continues to spread after the initial trauma, often resulting in long-term and irreversible disability.

The study, recently published in the scientific journal Inflammation and Regeneration, presents an innovative therapeutic approach that reduces post-injury damage to nerve cells, reduces inflammation and scar formation, and therefore significantly improves functional recovery. The study was led by Dr. Angela Ruban from TAU’s Stanley Steyer School of Health Professions at the Gray Faculty of Medical & Health Sciences and the Sagol School of Neuroscience, together with Dr. Yona Goldshmit and students Josef Levin, Rosemary Lavender, Alexander Yakovchuk, Evgeny Banyas, and Ruth Baltovska. The findings were independently validated by a CRO as part of NeuroHagana’s preclinical development program, led by Dr. Amit Benbenishty.    

Stopping the Damage Before It Spreads

The researchers explain that one of the main problems in SCI is a process occurring within minutes of the injury: the accumulation of a neurochemical called glutamate that further damages nerve cells, generating a local inflammatory response, degeneration that leads to scarring and extensive progressive damage. To date, no treatment has been approved by FDA/EMA to stop this process and prevent a permanent disability. This is where the new method comes in, introducing a novel therapeutic approach: Instead of attempting to block harmful activity in the brain, the researchers found a way to remove excess glutamate through the bloodstream in the first hours after injury.

In experiments using animal models, the new treatment dramatically reduced post-injury glutamate levels, minimizing inflammation and nerve cell death, and preserving the structure of neural tissue, such as axons and synapses. Perhaps most impressive was the functional outcome: the treated animals showed marked improvement in walking and movement abilities within two days, achieving up to 80% of normal motor functioning two months after treatment – compared to around 30% in the untreated group.

The spinal cord treatment process in mice

A Treatment Designed for Real Emergencies

Another important advantage is the wide therapeutic time window: the researchers found that the treatment remains effective when given as long as eight hours after injury – a timeframe considered realistic in real-world medical emergencies. Administered via a simple intravenous injection, the treatment may feasibly be provided by first responders in the field, thereby halting the damage cascade in its earliest stages.

Dr. Ruban notes that the importance of the study “is not only the functional improvement, but the very ability to impact secondary damage — for which no effective treatments have been discovered so far. This suggests a potential for halting the ‘chain reaction’ that aggravates patients’ condition, thereby preserving neural functions that would otherwise be lost. If we are able to confirm our results in humans, the new approach will represent a true paradigmatic shift – from supportive care alone to treatment that actually reduces and maybe even completely prevents the extent of the damage.”

Beyond Spinal Cord Injuries

Dr. Goldshmit, an expert in SCI treatment and rehabilitation, adds that this novel method can revolutionize treatment not only for SCI, but also for other brain injuries, caused for example by stroke or trauma. Significantly reducing neural damage, the new treatment can enable much more successful rehabilitation later on.

According to Dr. Ruban, the events of October 7 and the ensuing war have created an additional target for the study: head injuries resulting from blast waves. Equipped with encouraging preliminary results in head injury models, the researchers will now test the treatment for blast-induced head injury in lab models through collaboration with the Neurotechnology Department of Israel’s Ministry of Defense and TAU Professor Chaim Pick of the Sylvan Adams Sports Institute, Sagol School of Neuroscience, and Gray Faculty of Medical and Health Sciences.  

Meanwhile, Ramot, TAU’s Technology Transfer Company, has established a commercial company to implement the breakthrough technology that redefines the treatment of both SCI and traumatic brain injuries (TBI): a simple intravenous injection with a wide therapeutic time window that reduces disability, improves quality of life, and significantly lowers costs for healthcare systems.

Dr. Ruban concludes: “Our main findings show that it is possible to intervene in the harmful process occurring immediately after injury — not just try to deal with its consequences after the fact. By reducing excess glutamate, we were able to protect nerve cells and significantly improve motor/cognitive functions in multiple preclinical models. If we can obtain similar results in humans, this study can potentially revolutionize the therapeutic approach to SCI and other neurological conditions. Together with other advanced medical and rehabilitation technologies being introduced into clinics, our innovation can help create a future in which SCI no longer condemns individuals to life in a wheelchair.”

 

 

New Trend Survey Among Arab Citizens of Israel: 75% Support Voluntary Non-Military Civic Service

Presented for the first time at the Tel Aviv Conference: Future of Israel, held at Tel Aviv University in collaboration with the Kadar Foundation

A comprehensive trend study conducted by the Dayan Center and presented at the Tel Aviv Conference held at TAU in collaboration with the Kadar Foundation, reveals for the first time that 3 out of every 4 Arab Israelis (75.8%) support voluntary non-military civic service for Arab high school graduates, both boys and girls.

46.9% of the respondents even expressed strong support, while only 23.2% opposed the idea.

The researchers note that even though support rises with age, a solid majority (69.1%) of young 18-34-year-olds favor the concept.

In addition, no gender differences were found: 75.3% of the men and 77.2% of the women were in favor of civic service.

The study was led by Dr. Arik Rudnitzky, Director of the Konrad Adenauer Program for Jewish-Arab Cooperation at the Moshe Dayan Center.

A Potential Political Shift Ahead of the Elections

Additional key findings:

  •  If elections for the Knesset were held today, the turnout of Arab Israeli voters would have been 53%, similar to the turnout in the November 2022 elections for the 25th Knesset. In this scenario, of the running Arab parties, Hadash-Ta’al (5.3 seats) and Ra’am (4.6 seats) would pass the electoral threshold, while Balad (1.8 seats) would not. However, the reestablishment of the Joint List, once again uniting the four Arab parties – Hadash, Ta’al, Ra’am, and Balad — would bring voter turnout to a record 67%, the highest measured so far by the survey series of the Konrad Adenauer Program. If this happens, the Joint List could win as many as 16.3 seats (out of 120) in the next Knesset.
  •  A large majority (77.2%) believe that an Arab party should join the government formed after the next elections: 43.3% support joining any government formed, while 33.9% support joining a center-left government. These figures are similar to findings of previous surveys conducted over the past two years by the Konrad Adenauer Program.
  •  A majority of Arab Israelis (59.4%) believe that current relations between Arabs and Jews in Israel are not good. Nevertheless, most survey participants (63.7%) said they favored Arab-Jewish political partnership, though only 39.7% thought that the Jews also support such political cooperation.

Identity, Belonging, and Public Priorities

  • The Arab identity is the most prominent component of the personal identity of Arab Israelis (33.3%). Other noted factors include Israeli citizenship (27.7%), religious affiliation (24.5%), and Palestinian identity (13.5%).
  • Half of the respondents (53.3%) reported a strong sense of belonging to the state of Israel, while 44.5% indicated a weak sense of belonging. Differences on this issue were associated with both political and socio-demographic variables (religion, age, education level). For example, considerably more Druze citizens reported a strong sense of belonging (81.7%) than either Muslims (50.5%) or Christians (53.3%). No major differences were found between age groups, though the sense of belonging is slightly higher in older age groups, and in general, the sense of belonging weakens as the education level rises.
  • A large majority of survey participants (71.3%) stated that the most important issue for Israeli Arabs today is resolving the problem of violence and crime in their communities. The Palestinian issue received only 8%, followed by problems of education, employment, and poverty (7.4%), and regulation of planning and construction in Arab localities (6.1%).
  • Many Arab Israelis (76.9% of survey participants) report a low sense of personal security. The main factor negatively affecting their mood is the high incidence of violence in Arab communities (51.8%). This is followed by fear of a new war in the region (21.8%), economic hardships (8.6%), and the condition of Palestinians in Gaza (7.4%). Nevertheless, most respondents (68.3%) reported that, overall, their economic situation is good.

“A Roadmap for Rebuilding Israeli Society Through Integration and Influence”

Dr. Arik Rudnitzky, Director of the Konrad Adenauer Program for Jewish-Arab Cooperation at the Moshe Dayan Center:

“In the shadow of a prolonged multi-front war, many in the broader Israeli population are unaware of changes in the attitudes of the Arab public. The significance of our findings cannot be overstated: Israel’s Arab citizens present a roadmap for rebuilding Israeli society through integration and influence – not only politically, but also on the social level. Their widely held belief that an Arab party should join the government is not a new finding, but it is interesting to note that the war has in no way lessened support for this notion, and it has even grown to some extent. At the same time, a new finding indicates support for integration of Arab high school graduates into the state’s non-military civic service programs.  For young Israeli Arabs, this is not only a path to deeper inclusion in broader Israeli society, but also an opportunity to build their lives in ways similar to the mainstream of young Israelis. The survey also points to acute problems requiring an immediate response from the government, with a focus on crime and violence, as well as improving wartime protection infrastructures for Arab populations. In the absence of adequate protection, Israeli Arabs experience rising anxiety about the possible renewal of war. The survey’s findings are especially important this year, as Israel’s citizens, Jews and Arabs alike, await the upcoming elections and engage in political introspection.”

 

 

Tel Aviv Conference 2026: Leading Voices Discuss the Future of Israeli Democracy and the Middle East

Among the conference participants were public leaders, policymakers shaping the Israeli agenda, and U.S. Ambassador to Israel Mike Huckabee.

Against the backdrop of a dramatic year in which the boundaries of conflict, power, and democracy are being redefined — and with one of the most consequential elections in Israel’s history already on the horizon — Tel Aviv University hosted today (May 12, 2026) the Tel Aviv Conference: The Future of Israel, in collaboration with the Kadar Foundation.

The conference, which examined the geopolitical transformations taking place across the Middle East alongside the current state and future of Israeli democracy, drew a large and diverse audience. Participants came to engage in open public discourse and explore the research-based insights and multidisciplinary perspectives offered by Tel Aviv University scholars and experts.

Among the speakers were former President of the Supreme Court Prof. Aharon Barak, U.S. Ambassador to Israel Mike Huckabee, TAU President Prof. Ariel Porat, Tel Aviv–Jaffa Mayor Ron Huldai, former Foreign Minister Tzipi Livni, Minister of Diaspora Affairs and Combating Antisemitism Amichai Chikli, former Israeli Air Force Commander Amikam Norkin, former Deputy Head of the Mossad Udi Levy, Chairman of the National Economic Council Prof. Avi Simhon, Democrats Party Chairman Yair Golan, Ra’am Chairman MK Mansour Abbas, Dr. Shaul Arieli, and many others.

“The law must remain a place where truth is simply truth” – Prof. Ariel Porat

TAU President Prof. Ariel Porat opened the 2026 Tel Aviv Conference with remarks on the role of Israel’s Supreme Court at a time of growing political and social polarization.

Porat argued that the Court must rule solely according to the law, even in highly sensitive cases and despite public pressure or threats of noncompliance from government officials.

“Blackmail is blackmail is blackmail,” Porat said, referring to suggestions that Supreme Court rulings could be ignored. “If you surrender to it once, more threats will follow.”

He warned that avoiding legal decisions out of fear of political consequences or constitutional crises could ultimately damage both the judicial system and Israeli democracy itself.

Porat also cautioned against allowing strategic considerations to replace the principles of the rule of law, emphasizing that public trust in democratic institutions depends on the Court’s independence.

“We all, regardless of our political views, should have an interest in a court that rules according to the law and according to the law alone,” he said.

He concluded with a broader reflection on the role of the legal system in an increasingly polarized public sphere:

“In a reality where everything becomes strategy, the law must remain a place where truth is simply truth. Only this way can we build trust. Only this way can we build a future.”

Prof. Ariel Porat, Photo credit: Israel Hadari

“This is a city where children learn not only how to solve an equation, but also why the equation exists in the first place”- Ron Huldai

Ron Huldai, Mayor of Tel Aviv–Jaffa, rejected attempts in his conference remarks to portray the city as privileged or disconnected, arguing that “Tel Aviv–Jaffa is an asset. Perhaps it is the greatest achievement of Herzlian Zionism.”

Huldai claimed that the gaps exposed during the war between the functioning of the municipality and that of the government stem from a deeper value system — one in which critical thinking is seen as essential rather than threatening.

“This is a city where children learn not only how to solve an equation, but also why the equation exists in the first place,” he said, directly linking the city’s liberal education system to its economic resilience and ability to function under extreme circumstances.

According to Huldai, Tel Aviv demonstrates that freedom is a source of strength, and that the city’s power lies in a community “that is not afraid of complexity.”

Ron Huldai, Photo credit: Israel Hadari

 “The world should thank Israel, not condemn it”- Mike Huckabee

U.S. Ambassador to Israel Mike Huckabee received enthusiastic applause from the audience as he framed the regional conflict through the lens of Iran’s influence across the Middle East.

Referring to U.S. policy on Iran, Huckabee stressed that the American position remains firm and unchanged.

“The President was very explicitly clear from the beginning and throughout. He hasn’t changed even to this moment, and that is that Iran will never have a nuclear weapon,” Huckabee said.

The ambassador described Iran as the driving force behind multiple fronts of conflict facing Israel today.

“Keep in mind that every front of conflict that Israel faces, whether it’s Hamas, the Houthis, or Hezbollah — all of those ‘dishes’ of hatred and terrorism came out of the same kitchen, from Tehran.”

He also warned that Iran’s ambitions extend far beyond Israel.

“Israel is the appetizer, but America has always been the entrée,” Huckabee said. “It was always a matter of, if we can get past Israel, then ultimately we’ll set our sights on America.”

Alongside his security analysis, Huckabee expressed hope for a different future for the Iranian people after the current regime.

“I would hope that someday all that they were could be restored again,” he said, describing pre-1979 Iran as “a world leader in medicine, education, fashion, music, art, architecture — an amazing culture and an amazing people.”

Addressing the possibility of renewed fighting in the region, Huckabee remained cautious.

“We’d all love to see the war come to an end. I think it’s safe to say we’re in a ceasefire, but it’s hard to declare that it’s all over.”

U.S. Ambassador to Israel Mike Huckabee,  Photo credit: Chen Galili and Israel Hadari

“One thing gives me hope — the elections”- Prof. Aharon Barak

Former President of Israel’s Supreme Court, Prof. Aharon Barak, addressed a series of pressing legal and public issues currently at the center of Israeli discourse, including the proceedings against Israel in The Hague, Prime Minister Benjamin Netanyahu’s trial, the role of the Attorney General, and the future of the judicial system.

Barak emphasized that his decision to represent Israel in The Hague stemmed from a profound moral obligation, making a clear distinction between defending the government and defending the state itself.

“I went there not to defend the government or the Prime Minister, but to defend the State of Israel,” he said. “What Israel did in Gaza is not genocide. As a Holocaust survivor, who was himself a victim of genocide, I wanted to defend my country, which is accused of this.”

In his remarks, Barak also addressed the Prime Minister’s criticism of the judicial system, arguing that Netanyahu’s shift in attitude stems directly from his ongoing trial.

“He always supported the court system, and the change in his attitude stems from the trial against him,” Barak stated.

At the same time, Barak acknowledged the need for reforms within Israel’s judicial system, while warning against growing polarization and the collapse of dialogue within Israeli society.

“What characterizes the polarization today is the absence of dialogue; every group has its own monologue,” he said.

Asked what still gives him hope in light of Israel’s internal and external challenges, Barak concluded with a brief but pointed answer:

“One thing gives me hope — the elections.”

 

Prof. Aharon Barak, Photo credit: Israel Hadari

“We must choose between separation and annexation”- Yair Golan

Chairman of The Democrats party, Major General (res.) Yair Golan, delivered sharp criticism of the government’s conduct, focusing on the proposed appointment of Roman Gofman as Head of the Mossad, the future of the Israeli opposition, the campaign against Iran, and the Israeli-Palestinian conflict.

Referring to the reported appointment of Roman Gofman as Head of the Mossad, Golan claimed the decision was politically motivated.

“We all understand that the only reason for Gofman’s appointment is that Netanyahu wants the Mossad to be headed by someone who will conceal evidence in the Qatari affair,” Golan said.

While emphasizing that Gofman is “an excellent combat commander” and “a worthy military officer,” Golan argued that “the main problem is not Roman Gofman, but the person who appointed him – Benjamin Netanyahu.”

Addressing the upcoming elections, Golan framed the political struggle as a clash between democratic and anti-democratic values.

“These elections are between honest and corrupt people, between those who serve and those who evade service,” he stated. “We must rebuild the bloc that once had 56 seats in the Knesset and instill a winning mindset in our constituents.”

Golan also criticized what he described as the misuse of the concept of unity in Israeli politics.

“The word ‘unity’ has been abused,” he said. “Before talking about unity, we need to talk about values and liberal ideology.”

Turning to the Israeli-Palestinian conflict, Golan warned that Israel would ultimately have to make a historic decision.

“Sooner or later we will have to choose between separation and annexation,” he said. “We must ask ourselves a critical question: are we headed toward annexing 5 million Palestinians into our midst, which would mean the destruction of the State of Israel?”

 

Yair Golan, Photo credit: Israel Hadari

“A leader is measured by the way they end a war — and here, the threat has not yet been removed”- Gadi Eisenkot

Chairman of the “Yashar!” party and former IDF Chief of Staff Gadi Eisenkot sharply criticized Israel’s political leadership, arguing that Prime Minister Benjamin Netanyahu failed the ultimate test of leadership — the ability to translate military achievements into strategic victory.

Eisenkot explained that his resignation from the government stemmed from the realization that he and Benny Gantz had become “fig leaves” for decisions that were later reversed under extremist political pressure.

“The cabinet failed to capitalize on the outcomes of the war in order to achieve its objectives, and that is a complete failure,” he said.

Referring to the Iranian threat, Eisenkot acknowledged Israel’s military achievements but stressed that the central goals — foremost among them dismantling Iran’s nuclear program and removing the missile threat — have not yet been achieved.

“A leader is measured by the way they end a war — and here, the threat has not yet been removed,” he stated.

On domestic Israeli issues, Eisenkot presented a firm position calling for full adoption of the values outlined in Israel’s Declaration of Independence and mandatory national service across all sectors of society as conditions for any future coalition.

He warned against the collapse of the “people’s army” model and called on the centrist camp to unite in order to secure a decisive electoral victory.

In emotional personal remarks, Eisenkot spoke about his late son Gal, who was killed in combat in Gaza and whom he described as representing an entire generation of sacrifice and service.

“We must prove ourselves worthy of the more than 2,000 fallen soldiers who gave their lives so there could be a better country here,” he said, adding that this commitment is the central driving force behind his public activity and his calls for deep reforms regarding Arab society and the fight against rising crime.

 

Gadi Eisenkot, Photo credit: Israel Hadari

Polarization, Social Cohesion, and Arab Citizens’ Support for Civil Service

Researchers from Tel Aviv University also presented findings from several new studies examining social cohesion, political polarization, and changing attitudes within Arab society in Israel.

Dr. Nimrod Nir, CEO of the Agam Institute, and Asa Shapira, Head of the Marketing and Advertising Track at TAU’s Department of Communication and researcher at the Agam Institute, presented findings from the Social Cohesion Trends Study and the National Polarization Index. According to their research, Israel’s political and social polarization has reached a severe level and is approaching a point that could potentially lead to civil conflict.

As part of the study, conducted ahead of the elections, 6% of respondents said they support the use of violence to achieve an important goal, while 11% stated they would support any action — including violence — if it were intended to “save democracy.”

The researchers warned: “Israel is no longer just a divided society. It is approaching a zone in which socio-political polarization could evolve into civil conflict.”

Dr. Arik Rudnitzky of the Konrad Adenauer Program for Jewish-Arab Cooperation at the Moshe Dayan Center at Tel Aviv University presented findings indicating a significant shift in attitudes within Arab society in Israel.

According to the study, approximately 75% of respondents support non-military civil service, alongside a strong desire for political integration: more than 77% support the inclusion of an Arab party in the government.

 

Dr. Nimrod Nir, Photo credit: Israel Hadari

While only 8% of respondents ranked the Palestinian issue as their top concern, an overwhelming majority (71%) identified crime and violence within Arab society as the most urgent issue on their agenda.

“Arab citizens are presenting a roadmap for rebuilding Israeli society through integration and influence,” explained Dr. Rudnitzky.

The study also points to unprecedented political potential ahead of the elections: if a united Arab joint list is established, voter turnout in Arab society could rise to 67%, potentially translating into 16 Knesset seats.

At the same time, the findings indicate a strengthening Israeli civic identity, with more than half of respondents (53%) reporting a strong sense of belonging to the state. However, the researchers emphasized that feelings of personal security remain extremely low due to internal violence and fears related to war.

“Support for integration did not decline after the war,” Rudnitzky concluded, “but Arab society expects an urgent governmental response to issues of crime and protection.”

 

Dr. Arik Rudnitzky, Photo credit: Israel Hadari

“We are not in a position of saying ‘no and no,’ but rather ‘yes — and what can be done’.- Mansour Abbas

Following the presentation of the research findings, Ra’am Chairman MK Mansour Abbas outlined a pragmatic approach aimed at translating the Arab public’s desire for political and civic influence into concrete action.

Abbas revealed that his party is advancing a dedicated framework for civil service intended to support tens of thousands of young Arab citizens entering the workforce.

“We are not in a position of saying ‘no and no,’ but rather ‘yes — and what can be done,’” Abbas said, emphasizing that civil service serves the interests of individuals, communities, and Israeli society as a whole.

On the political level, Abbas made clear that Ra’am seeks to replace the current government and views Arab-Jewish partnership as a central issue in the upcoming elections. He also expressed support for establishing a pluralistic joint list aimed at maximizing Arab political influence, while stressing the importance of responsibility and partnership.

Referring to tensions following October 7, Abbas said that Arab society had demonstrated restraint and maturity despite experiencing “double pain” during the war.

“The proper process, one that aligns with Israel’s democratic identity, is that the presence of an Arab party in the coalition can only contribute,” Abbas said.

 

Mansour Abbas, Photo credit: Israel Hadari

 

A Remarkable Achievement: 10 TAU Researchers Named Senior Members of the U.S. National Academy of Inventors

Research includes the use of cannabis oil for treating autism, identifying casualties in war, and predicting cancer cells.

Tel Aviv University celebrates an exceptional milestone: ten of its researchers have been selected as Senior Members of the United States National Academy of Inventors (NAI) for 2026, one of the most prestigious recognitions for academic innovation with real-world impact.

Recognition for turning ideas into impact

The Senior Member title is awarded to active researchers who have led significant innovations that benefit society through breakthrough research, patented technologies, and the translation of scientific ideas into practical applications.

Members of the program are part of an international community of leading researchers whose work combines academic excellence with applied innovation, technology transfer, and industry collaboration. Beyond recognizing past achievements, the NAI also serves as a source of inspiration for future generations of scientists and inventors working to advance science, technology, and public good.

A global community of innovation

Founded in 2010, the U.S. National Academy of Inventors includes more than 2,250 members worldwide, of whom 945 are Senior Members. This year, 82 researchers were selected globally — including ten from Tel Aviv University.

Meet the researchers

  Prof. Daniel Offen | Gray Faculty of Medical and Health Sciences | Felsenstein Medical Research Center

A leading neuroscientist developing cell- and gene-based therapies for neurological diseases. His patented technologies have contributed to the establishment of biotech companies such as BrainStorm Cell Therapeutics, NurExone Biologic, and ExoNavis

Prof. Daniel Offen

 Prof. Noam Shomron | Gray Faculty of Medical and Health Sciences

Head of the Applied Genomics and Digital Health Lab, focusing on genetic analysis of human diseases. His work integrates artificial intelligence and machine learning with genomic mapping, leading to numerous applied ventures including Variantyx, Identifai Genetics, EVerly Bio, MariposAI, Gotsho, and 4nZOK

 Prof. Adi Barzel | School of Neurobiology, Biochemistry and Biophysics | Faculty of Life Sciences

A leading researcher in molecular biology and genetic engineering, focusing on gene therapy using viral vectors. His work on precise genome editing is advancing treatments for HIV, cancer (via immunotherapy), and autoimmune diseases

Prof. Adi Barzel

 Prof. Vered Padler-Karavani | Shmunis School of Biomedicine and Cancer Research | Faculty of Life Sciences

A pioneering researcher in glycobiology and Vice President of the Israeli Society for Immunology. Her work explores how the immune system recognizes diseases through sugar structures on cells, leading to new diagnostics and treatments for cancer, inflammatory, autoimmune, and cardiovascular diseases

Prof. Vered Padler-Karavani

 Prof. Nadav Cohen Blavatnik School of Computer Science and AI | TAD Center for AI and Data Science

A leading researcher in the theoretical foundations of artificial intelligence. His work develops mathematical frameworks and algorithms for neural networks, contributing to safer, more robust, and reliable AI systems in the physical world.

Prof. Nadav Cohen

 Prof. Nahum Kiryati | Fleishman Faculty of Engineering

A senior researcher in electrical engineering specializing in AI-based medical image processing, computer vision, and 3D sensing. His work supports clinical applications such as early lung cancer detection, improved MRI/CT analysis, advanced dental imaging, and non-contact measurement of infant growth.

Prof. Nahum Kiryati

 Prof. Zohar Yosibash | Fleishman Faculty of Engineering

Chair of Computational Mechanics and Experimental Biomechanics and head of the Bone Health Innovation Lab at Ichilov Hospital. His research integrates engineering and clinical applications to predict fracture risks in cancer patients, with technologies further developed through the company Paximio

Prof. Zohar Yosibash

 Prof. Tamir Tuller Fleishman Faculty of Engineering

A leading researcher in intracellular engineering and computational synthetic biology, and founder of TAU’s iGEM program. His work combines biophysical modeling, bioinformatics, machine learning, and algorithms to develop vaccines, cancer treatments, biosensors, and biotechnological production strategies. His lab’s technologies contributed to Imagindairy, which received FDA approval in 2024

Prof. Tamir Tuller

 Dr. Yehezkel Resheff | Fleishman Faculty of Engineering and the Steinhardt Museum of Natural History

A leading researcher in AI and data science in ecology and environmental systems. His work also focuses on fairness, privacy, and reliability in AI. He holds dozens of patents in financial AI applications, some of which are used by products serving around 100 million users worldwide.

Dr. Yehezkel Resheff

 Dr. Edward Vitkin| Fleishman Faculty of Engineering

A leading researcher in applied bioinformatics, computational biology, and medical informatics. His patents include diagnostic technologies such as molecular biomarker-based cancer detection (E-biopsy) and advanced analysis of physiological, behavioral, and environmental signals

Dr. Edward Vitkin

From discovery to real-world innovation

This recognition reflects Tel Aviv University’s ongoing commitment to turning research into real-world impact — advancing technologies that shape industries, improve lives, and push the boundaries of what we know

Gender @ TAU: Promoting Women’s Equality

TAU held a conference this week to promote women’s equality through learning and community building

Women’s equality benefits everyone. At Tel Aviv University, this understanding drives action. This week, TAU held a conference for its community to learn about women’s studies research and the practical steps that still must be taken to advance gender equality. Over 200 participants heard from academic and on-the-ground experts in fields from humanities to medicine. The conference was run in partnership with The National Council of Jewish Women, whose support has enabled the TAU’s Women and Gender Studies Program to grow and develop for over two decades. Established in 2001 at The Shirley and Leslie Porter School of Cultural Studies, at the Entin Faculty of Humanities, it was the first such program in Israel. 

Highlighting the necessity of this topic, the conference began with remarks from University leadership including President Prof. Ariel Porat, second female Rector Prof. Noga Kronfeld-Schor, Vice President of Equity, Diversity and Inclusion Prof. Neta Ziv, Gender and Law Prof. Daphna Hacker, and Board of Governors Chairwoman Dafna Meitar-Nechmad.  

Ms. Meitar-Nechmad: “At Tel Aviv University, we are proud to have a woman as rector, and women as vice presidents and deans. But women are still not represented equally in centers of power and decision-making circles. In academia, this is more than a matter of justice–it also affects the quality of knowledge. When perspectives are missing, the knowledge we produce is also partial. Equality, like any profound change, is the result of choices. TAU’s choices show how academia can shape reality: female alumni make up more than half of Globes’ 2025 List of Influential Women and fill key positions across fields. We’re here today to learn where our investments are still needed to continue working toward a more equitable, advanced society whether in industry, medicine, academia, policymaking, and beyond.” 

Prof. Neta Ziv: “I’m so pleased to say that registration for this event was quite high and encompassed people from all over campus: students, faculty, associate faculty, and administrative staff—both women and men. The feminist worldview is one from which all people can learn and benefit, and we can see that our Tel Aviv University community stands behind that worldview. Together, I am confident that we will position Tel Aviv University as a leader in research, teaching, activism and the growth of feminist leadership.” 

Second female Rector of TAU, Prof. Noga Kronfeld-Schor, spoke about the importance of dispelling implicit bias for the next generation of women. (Photo: Shauli Landner)

What We Learned 

Participants were treated to many fascinating speakers and panelists, from in and out of the University. The first set of speakers focused on women and the world of work. Research was presented on the many reasons it is more difficult for women to get ahead financially and in their careers, including: 

  • Women present themselves differently from men in online profiles and on resumes. For example, men are much more likely to claim a skill in which they are only partially proficient, meaning recruiters and resume-checking AI is more likely to find male candidates for any given role. Similarly, women may use slightly different language from men which AI is not trained to look for, representing one of many examples of how sexism affects even technology and algorithms. (Prof. Neta Rabin)  

  • Research found that when searching for jobs, men are more likely than women to look further from home and even more willing to move for a job. This widens the net men can cast to further their careers, while women are often expected to stay close to home in order to take care of children and domestic tasks—regardless of how good they are at their jobs. (Prof. Oren Danieli)  

  • Similarly, men are more likely to look for new jobs and switch jobs—and in 2026, nearly the only way to get a meaningful pay raise is to find a new role at a different organization. This means men are able to keep earning more as they move from job to job, while women must prioritize stability and so usually stay in the same role for much longer without any financial advancement. (PhD candidate Noa Barnir) 

Participants also heard from medical experts on gendered topics such as: 

  • Some, even many, diseases present differently in men and women—but because research tends to focus on treatment of men as the “default human”, women and other minorities suffer worse health outcomes. For example, Prof. Illana Gozes presented on Alzheimer’s: “Women’s and men’s brains are different. So brain diseases are gendered diseases.” This is yet another gender gap: In the US, twice as many women suffer from Alzheimer’s as men. Prof. Gozes’s team found that one contributing factor is a difference in how a protective protein presents in women’s brains, and used that discovery to advance women-specific treatments which improved focus and visual memory.  

  • Trauma from abuse disproportionately affects women, but can affect all people. Clinical psychologist Prof. Yael Lahav found in her practice that abuse survivors hit a unique roadblock: they often denied to themselves how severe their trauma was, making recovery even more difficult. Prof. Lahav and her research team delved into this phenomenon and collected evidence that will make for more effective, targeted trauma treatment. 

The conference featured many more impactful presentations, including on women’s history, gender diversity, and the unique challenges faced by women in conflict zones and authoritarian societies.  

Participants also heard from the delightful founder of the TAU Women’s and Gender Studies Program, Prof. Hannah Naveh. She told the long saga of the Program’s humble roots as a women’s forum running only on the determination of driven female faculty with not so much as a room to meet in, to its funding by NCJW and eventual growth into a full academic degree program with nearly 1,000 alumni.  (Photos: Shauli Landner)

 

When Does a Liquid Become Solid?

TAU Researchers Offer a New Way to Observe the Elusive “Glass Transition”

A scientific discovery by researchers at Tel Aviv University’s School of Chemistry offers a new perspective on a long-standing scientific mystery: how does a flowing liquid suddenly become a rigid, almost frozen material, without changing its structure? This phenomenon, known as the “glass transition,” has puzzled physicists for over a hundred years. The study proposes a new experimental approach to observing this elusive process — by tracking the motion of tiny particles that serve as microscopic “sensors” within the material.

The study was conducted by Prof. Haim Diamant and Prof. Yael Roichman of the School of Chemistry at Tel Aviv University, together with the research group of Prof. Stefan Egelhaaf at Heinrich Heine University Düsseldorf. The findings were published in the journal Nature Physics.

Using colloids to model the transition

The research focuses on colloidal materials — suspensions of microscopic particles dispersed in a liquid — which are considered an ideal model for studying the glass transition. When particle concentration is low, the system behaves like a regular liquid. But as density increases, the particles increasingly restrict each other’s motion, until the entire system becomes “jammed” and acquires the properties of an amorphous solid, similar to glass.

Tiny particles, big insight

The researchers’ key innovation is the use of particularly small and highly mobile particles embedded within a system of larger particles undergoing the glass transition. While the larger particles gradually lose their ability to move, the smaller particles remain mobile, allowing the team to measure how the surrounding medium changes.

Using advanced microscopy, the researchers measured the coordinated motion of pairs of small particles, examining how the movement of one affects the other, along different directions and at varying distances. The results paint a clear picture: in the liquid state, motion spreads over long distances through the fluid. But as the system approaches the glassy state, this propagation is suppressed, and the system begins to behave like a solid that absorbs momentum instead of transmitting it.

Colloidal Glass

Clear signatures of transformation

The researchers identified three clear signatures of the transition: a pronounced change in how the decay of correlations varies with distance; the emergence of a new characteristic length scale that grows with the material’s viscosity; and even opposing motions between neighboring particles — evidence of the development of resistance to shear, a fundamental property of solids. The experimental findings precisely confirmed theoretical predictions made by the same team several years ago.

Beyond glass: broader implications

The research team notes that, beyond their importance for a deeper understanding of the glass transition, the findings have broad implications. The new method may be used to study gels, soft materials, active systems, and even biological tissues — areas in which it is difficult to pinpoint when a system stops “flowing” and begins to solidify. In this sense, the tiny particles serve as microscopic witnesses to the moment a liquid loses its fluid character.

Prof. Haim Diamant concludes: “The significance of this research lies not only in identifying new signatures of the glass transition, but also in offering a fresh perspective on the phenomenon as a whole. Our findings show that the glass transition is not merely a gradual slowing of particle motion, but is accompanied by a profound change in the way momentum is transmitted from point to point within the material. The use of small tracer particles as hydrodynamic probes opens the possibility of examining the emergence of solid-like properties even before the system actually ceases to flow, and may provide a new tool for studying soft materials and complex systems in which the transition from liquid to solid is difficult to measure.”

A New Global Hub for Sustainability Studies at Tel Aviv University

TAU launches a renewed international master’s program in environmental studies

Tel Aviv University’s New Environment School (NES) and the Faculty of Social Sciences are unveiling an interdisciplinary curriculum for international students. By joining forces with the School of Social and Policy Studies, the NES has introduced a renewed, one-year English-taught master’s in environmental studies – designed as a singular academic home for those driven to understand and shape the interaction between human society and our planet.

Reflecting on the vision behind this initiative, Prof. Noga Kronfeld-Schor, Rector of Tel Aviv University and former Head of the New Environment School, stated:

“The environmental field is deeply complex and demands a multidisciplinary approach. Our vision is to harness Tel Aviv University’s diverse expertise to address these challenges head-on. We are at a critical juncture where academic knowledge is essential to building a better future. This new master’s program will serve as a global hub, translating scientific research into tangible policy and action for decision-makers, educators, and the public.”

From classroom to real-world impact

The curriculum features core courses in sustainability science, the circular economy, and environmental policy, taught by internationally renowned experts. Students can choose from electives that draw on Israeli and regional expertise to provide unique, localized insights, and engage in project-based courses that allow them to tackle environmental challenges on the ground. Building on a strong track record of field-based learning, the program offers students opportunities in Israel and at global sustainability hotspots rarely available to master’s students at other institutions.

Prof. Ram Fishman, Head of the New Environment School, emphasizes this commitment to real-world application:

“At our school, tackling the world’s most urgent environmental challenges doesn’t wait until graduation – it starts the moment you join us. We provide the hands-on experience and expertise currently in high demand, both in Israel and globally. As the environmental landscape evolves, our program equips the next generation with the tools to lead and drive meaningful impact for decades to come.”

The goal of this restructuring is to provide the next generation of sustainability leaders with a sophisticated toolkit for a rapidly changing world. By navigating the complex intersection of innovation and governance, graduates – whether specializing in climate policy or green entrepreneurship – are immersed in a professional network that ensures a seamless, immediate transition from academic research to real-world impact.

Applications are currently open for the 2026-2027 academic year.

For more information about the curriculum, admission requirements, and upcoming information sessions, please visit our website

Why We Abandon Our Shopping Carts

TAU Study Reveals the Psychological Cost Behind Billions in Lost E-commerce Revenue

Shopping cart abandonment is one of the greatest financial challenges faced by the global e-commerce industry. According to recent estimates, more than 70% of online shopping carts are abandoned before payment. This means that customers who have already reached an advanced stage in the online purchasing process ultimately don’t buy, despite the vendor’s considerable investment in advertising, operations, and user experience. In other words, the costs have already been incurred, and when the purchase is not completed, the expected revenue is not received. If this occurs on a large scale, it amounts to an annual revenue loss of billions of dollars.

A psychological explanation behind the behavior

A new study conducted by researchers from the Coller School of Management at Tel Aviv University and George Washington University offers a psychological explanation for the phenomenon: online shopping carts containing more ‘indulgent’ products and fewer basic utilitarian products generate stronger feelings of guilt and wastefulness in the buyer, increasing the likelihood of cart abandonment.

The study was conducted by Prof. Liat Hadar, Prof. Yael Steinhart, and Prof. Yaniv Shani from the Coller School of Management at Tel Aviv University, together with Dr. Gil Appel, an assistant Prof. of marketing at the George Washington University School of Business. Published in the prominent Journal of Consumer Research, the study is based on analysis of large-scale e-commerce data alongside controlled experiments, aiming to examine how psychological considerations influence actual purchase decisions in a digital environment.

What drives abandonment

The main finding is clear: the higher the proportion of ‘indulgent’ products – meant for pleasure or pampering, relative to practical, basic products, the greater the likelihood of cart abandonment. Indulgent products include, for example, chocolates and sweets, scented candles, luxury personal care products, home décor items, clothes with funny prints, or amusing gadgets. In contrast, basic functional products are items perceived as necessary or useful, such as basic food or cleaning products, sports equipment, work clothes, batteries, water bottles, or storage boxes.

The researchers analyzed two vast e-commerce databases encompassing nearly 15 million items that had been either purchased or abandoned and conducted four controlled experiments. Across all methods and contexts, a consistent pattern was revealed: even after controlling for total cart price, number of items, browsing duration, and user traits, the ratio between indulgent and practical products significantly predicted cart abandonment.

The Research Team

Guilt, justification, and decision-making

According to the researchers, the explanation is not technical but psychological. Carts perceived as ‘indulgent’ or ‘non-essential’ – like those consisting mainly of indulgence items – evoke guilty feelings and difficulty in justifying the expense to oneself. This guilt amplifies hesitation and delay, sometimes leading to complete abandonment of the cart. In contrast, the inclusion of utilitarian products, such as basic consumer goods or functional items, creates a sense of balance and reduces guilt, even when the cart also contains indulgent items.

The researchers note that the study generates immediate implications and suggestions for e-commerce websites and their managers. Recommendations to purchase utilitarian products, such as everyday equipment or useful complementary items, may reduce abandonment, even if the consumer does not actually add them. Such recommendations, claim the researchers, change customers’ perception of their carts, reducing guilty feelings, and increasing conversion rates.

A small shift with a big impact

Prof. Liat Hadar concludes: “Our findings show that shopping cart abandonment does not stem only from technical considerations such as price or shipping, but from a deeper psychological process of purchase justification and guilt. When the shopping cart is perceived as too indulgent, consumers find it difficult to justify the expense to themselves and sometimes simply choose not to buy. The message for e-commerce companies is that small changes in the cart’s composition or in how it is presented, such as recommending useful products, can reduce guilt, improve the shopping experience, and lead to a significant economic impact.”

Lights On, Immune System Off?

TAU Study Finds Artificial Light at Night May Disrupt Biological Rhythms and Increase Mortality

A new study from Tel Aviv University indicates for the first time that artificial lighting may disrupt natural rhythms of the immune system in wild rodents. According to the study, even exposure to minimal artificial light at night (ALAN), at intensities equivalent to standard street lighting, leads to a 2.35-fold increase in mortality.

Examining real-world conditions

The study was conducted at TAU’s Zoological Garden, the I. Meier Segals Garden for Zoological Research on two local mammals, the golden spiny mouse and the common spiny mouse. It was carried out by doctoral student Hagar Vardi-Naim at the George S. Wise Faculty of Life Sciences. The study’s supervisors were Prof. Yariv Wine, head of the Applied Immunology Laboratory at the Shmunis School of Biomedicine and Cancer Research, and Prof. Noga Kronfeld-Schor, head of the Ecological and Evolutionary Physiology Laboratory at the School of Zoology, and Rector of TAU. Both Prof. Wine and Prof. Kronfeld-Schor are also affiliated with the new Environmental School at Tel Aviv University. The research was supported by the Israel Science Foundation. The disturbing findings were published in the journal Environmental Pollution.

Vardi-Naim explains: “Large parts of every mammal’s body, including our own, are regulated by an internal biological clock. With a 24-hour rhythm based on the natural light-dark cycle, this biological clock signals to various organs and physiological systems, including the immune system, what they should do at different times of day. For example, the levels of certain white blood cells rise and fall in the blood, and the body produces more/less antibodies at specific times. Such oscillations can enhance the immune response to bacteria or viruses, but for this the body must know the time. Light pollution alters the natural light-dark regime, disrupts the central clock’s synchronization with environmental time, and changes these patterns, rendering time almost meaningless.”

Testing the effects of light pollution

The researchers examined the effects of artificial lighting on the immune systems of two related species of small rodents: the golden spiny mouse and the common spiny mouse. Both live in the Israeli desert, sharing the same geographical habitat, but differing in their activity time: while the golden spiny mouse is active during the day, the common spiny mouse is active during night. The animals were taken from the Judean Desert to outdoor enclosures at TAU’s Zoological Garden, where some of them were exposed to ALAN.

Vardi-Naim: “We kept the spiny mice in enclosures that simulated natural environmental conditions as much as possible. Half of the enclosures were illuminated at night with white LED, the most common type of lighting used today, at a relatively low intensity that simulates street lighting, while the control group was exposed only to natural light-dark conditions – the sun, moon, and stars.”

When timing breaks down

The researchers measured the percentage of white blood cells (i.e., lymphocytes) in the mice’s blood at several points in the 24-hour cycle, and found a pattern similar to the human rhythm, with lymphocyte levels in the blood rising during rest hours, between two and four in the morning. In addition, they discovered a very clear 24-hour lymphocyte rhythm, and found that the amount of antibodies produced in response to an antigen (a substance that evokes the immune system’s response, e.g. a virus or vaccine), is time-dependent.

“We saw that animals exposed to an antigen during their rest hours produced far more antibodies than those exposed during their active hours,” adds Vardi-Naim. “Exposure to light pollution, however, completely muddled these rhythms.  Instead of a daily cycle of peaks and lows in the level of lymphocytes and immune response, we observed a complete flattening of the daily patterns. This means that the immune system loses its natural timing, and consequently, its response to infections, environmental stress, or vaccination might be less than optimal, possibly increasing the animals’ vulnerability over time.”

A significant rise in mortality

In addition, extensive and rapid mortality was observed among the mice exposed to light pollution, with a 2.35 times higher risk of death compared to the control group. The researchers note that even though the exact cause of death could not be determined, the rise in mortality occurred alongside disruption of immune and endocrine (hormonal) rhythms, suggesting a likely connection between damage to biological timing and reduced survival.

Vardi-Naim emphasizes that the spiny mice in the study are only an example, and that the findings have implications for all living creatures, including humans. “Our results show that ALAN is not merely an aesthetic environmental change, but an active biological factor capable of disrupting critical physiological mechanisms. Chronic exposure to ALAN disrupted the timing of the mice’s immune and endocrine systems and impaired their survival under conditions that otherwise simulated the natural environment. We believe that light pollution should be regarded as an environmental health risk with broad implications, not only for wildlife but also for human health and the ecosystem as a whole. Studies show that animals with weakened immune systems can transmit diseases to humans, and it is possible that the human immune system responds in a similar way. The study underlines the need to include biological considerations in lighting policies and to reexamine ALAN scope and intensity in both urban and open spaces.”

Overall, by studying animals that live in conditions close to their natural environment rather than in sterile laboratory settings, this research highlights the value of using wild models to understand how the immune system functions in the real world. Such approaches reveal how environmental changes, including growing light pollution, can affect complex biological systems in ways that are often missed in traditional lab studies. As human activity continues to reshape natural environments, studying immune responses under realistic ecological conditions is essential for understanding how global environmental change may influence the health of wildlife, ecosystems, and potentially humans.

 

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