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“What First, What Last Shall I Tell?”: The Odyssey’s Journey from Storytelling to the Silver Screen

Why does the oldest surviving work of Western literature continue to inspire new adaptations? As Christopher Nolan’s The Odyssey arrives in theaters, a Tel Aviv University classicist explains how the epic has been reinventing itself for nearly 3,000 years.

Nearly three thousand years after it was composed, The Odyssey continues to find new audiences.

Christopher Nolan’s upcoming film is only the latest chapter in a long history of reinterpretation that began long before the epic was ever written down. For generations, the story was passed from one storyteller to another, changing with each performance and adapting to each new audience.

To understand why artists continue to return to The Odyssey, we first need to understand how it came into being: as a work that was never meant to exist in just one definitive version.

Why Has The Odyssey Endured?

The Odyssey, traditionally attributed to Homer, was composed sometime in the late eighth or early seventh century BCE. While The Iliad tells the story of the Trojan War, The Odyssey follows Odysseus’ long journey home to Ithaca after the war.

According to Dr. Teddy Fassberg of the Department of Classical Studies – Greece and Rome at the Lester and Sally Entin Faculty of Humanities, this may be one reason the epic continues to resonate today.

“Perhaps it has survived because it deals with more universal themes—home, and the attempt to return to it.”

Dr. Fassberg also notes that The Odyssey presents “a much more diverse world—a world that includes women and people from lower social classes. It’s not a world populated only by heroes,” making it easier for modern readers and creators to discover new points of connection.

Zendaya as Athena and Matt Damon as Odysseus in The Odyssey (Courtesy of Tulip Entertainment)

A Story Meant to Be Told

One of the most important things to remember, says Dr. Fassberg, is that The Odyssey was never intended to be silently read from a book.

For generations it was performed aloud before audiences, with storytellers adapting it as they went—expanding dramatic moments, shortening lengthy passages, and occasionally changing details to keep listeners engaged.

According to Dr. Fassberg, Homer himself was already “adapting and reshaping a story that goes much further back.”

In that sense, Odysseus is himself a master storyteller. Throughout the epic, he knows how to shape his narrative for different audiences, when to pause at the height of suspense, and when to reveal the next crucial detail.

Dr. Fassberg even jokingly calls him “a marketer.”

“Within the story, Odysseus stops his tale at the height of the suspense—a cliffhanger—to persuade his audience to give him more gifts.”

Modern adaptations, then, are not departures from the original—they are the continuation of a tradition that began in antiquity.

The Trojans bring the Trojan Horse into the city, following Odysseus’ ingenious plan (Courtesy of Tulip Entertainment)

Reinventing The Odyssey

Over the past several decades, The Odyssey has inspired countless reinterpretations across literature, cinema, and translation.

The Coen Brothers relocated Odysseus’ journey to Depression-era America in O Brother, Where Art Thou? Margaret Atwood retold the story from Penelope’s perspective in The Penelopiad. In 2017, Emily Wilson published the first English translation of the epic by a woman.

Now Christopher Nolan joins that tradition with his own cinematic adaptation, set to be released in Israel on July 16, 2026.

Even before its release, however, the film has generated debate over its casting choices and interpretation.

One of the most discussed decisions was Nolan’s casting of rapper Travis Scott as the bard in Odysseus’ palace—a relatively minor figure in the epic. Nolan explained that the choice was intended to evoke the poem’s origins as an oral performance, drawing a parallel between ancient epic recitation and modern rap.

Discussion has also centered on Nolan’s decision to give the characters American accents—even when portrayed by British actors such as Tom Holland (Telemachus) and Robert Pattinson (Antinous).

Particular attention was drawn to a trailer in which Telemachus refers to Odysseus as “Dad,” while Antinous mockingly calls him “Daddy.” Some viewers argued that the modern American slang felt out of place in ancient Greece.

Nolan defended the choice, explaining that he wanted to find “a language that carries emotional meaning, not just intellectual meaning, for the audience.” Rather than using elevated or theatrical dialogue, he preferred contemporary speech.

“Maybe I was naïve, and maybe it’ll come back to haunt me,” he said. “But I wanted a story that felt earthy and human. To me, it was the obvious choice.”

Robert Pattinson as Antinous, one of Penelope’s suitors (Courtesy of Tulip Entertainment)

A Story That Invites Reinvention

For Dr. Fassberg, these debates are exactly what has kept The Odyssey alive for nearly three millennia.

“If there is one work that justifies adaptations that take creative liberties, it’s The Odyssey.”

He adds:

“I think Homer would have identified with Christopher Nolan. We see Odysseus using exactly the same storytelling devices that people criticize Nolan for using today.”

Perhaps that is why, nearly 3,000 years after it was first told, The Odyssey continues to spark debate, inspire reinterpretation, and find new audiences. Precisely because it has never had a single definitive version, it has never stopped evolving.

Did the Qumran Sect Really Use Its 364-Day Calendar?

A new Tel Aviv University study combines Hasmonean history with evidence from the Dead Sea Scrolls to solve a decades-old mystery.

A new study from Tel Aviv University proposes a solution to a historical mystery that has puzzled researchers for decades: Was the unique calendar of the Qumran sect, based on a 364-day year, ever used in practice, or was it merely a theoretical model?

The study hypothesizes that the calendar was indeed used by the sect in its early years, and even stood at the crux of the controversy that drove the sect to isolation in the desert. However, the calendar was later abandoned due to an inherent problem that made it impracticable over time, as well as warming relations with Hasmonean leadership under Alexander Jannaeus.

The study was conducted by Prof. Eshbal Ratzon of the Department of Jewish Philosophy and the Cohn Institute for the History and Philosophy of Science and Ideas at the Entin Faculty of Humanities. The paper was published in the Tarbiz Quarterly for Jewish Studies.

What Are the Dead Sea Scrolls?

The Dead Sea Scrolls are a collection of ancient religious writings and fragments discovered in caves near Qumran and at other sites in the Judean Desert. Dating mainly from the Second Temple period, they include copies of biblical books as well as prayers, legal writings, commentaries, apocalyptic works, and texts describing the beliefs and practices of specific Jewish communities. The Qumran scrolls are especially important because they offer a rare window into Jewish religious life, debate, and diversity more than 2,000 years ago.

The Dead Sea Scrolls

A Calendar at the Heart of a Religious Divide

The Qumran calendar differed from the lunisolar calendar that served as a basis for Jewish life during the Second Temple period. It consisted of exactly 364 days – a number that is perfectly divisible by seven, and thus every year included 52 full weeks, and every holiday always fell on the same day of the week. For the Qumran sect, this reflected a perfect divine order. In the political sense, the calendar represented a rebellion against the political and religious leadership at the Temple in Jerusalem, which determined all significant dates. The sect believed that these dates had already been set by God during the Creation of the world, and humans must not interfere.

A Perfect System with a Built-In Problem

Yet the Qumran calendar’s mathematical perfection created a serious difficulty: it diverged by one day and a quarter from the 365-day astronomical year. This difference may appear negligible, but it accumulates rapidly. For instance, if the Qumran calendar was used for twenty years, the festivals would shift by almost four weeks relative to the seasons. After several decades, a spring festival would end up being celebrated in winter, or even in the fall. For a community that regarded festivals as agricultural events connected to the harvest, first fruits, and seasons of the year, this posed a fundamental problem.

To understand the significance of the gap, one can compare the calendar to a clock that deviates by one minute every day. At first, no one notices the problem, but after months and years, such a clock no longer represents reality. The study explains that this is exactly what happened to the Qumran calendar: while ideal from a conceptual and mathematical perspective, over time it drifted further and further away from the natural cycles it sought to govern.

A Mystery Scholars Could Not Resolve

Over the past decades, researchers have proposed various solutions to this enigma. Some maintained that the Qumran sect periodically added days or weeks to its calendar, while others claimed that the calendar had never actually been used in the real world, serving only as a theoretical framework. Prof. Ratzon argues that neither option is supported by the Dead Sea Scrolls. According to her study, the evidence indicates that the calendar was regarded by the sect as a key component of their religious identity and a major point of contention with the Jerusalem establishment.

The study notes that almost twenty of the scrolls found in Qumran deal with calendars and astronomy – an exceptional number that attests to the topic’s immense importance for the community. The Book of Jubilees, a central work in the Qumran library, fiercely attacks the prevailing lunar calendar, presenting the 364-day calendar as the original calendar received by Moses on Mount Sinai.

Qumran caves

From Practical Calendar to Religious Ideal

Based on this body of evidence, Prof. Ratzon proposes a new historical reconstruction: she contends that the Qumran calendar was actively used during the sect’s formative days in the second century BCE, exacerbating its conflict with the religious leadership in Jerusalem. However, as the years went by, the calendar’s accumulating digression from the seasons could no longer be ignored. In addition, the sect’s relations with the ruling Hasmonean dynasty warmed during the reign of Alexander Jannaeus, who supported a halacha similar to their own and opposed the Pharisaic leadership. This enabled the Qumran sect to relinquish their previously adamant position and adopt the more practical calendar used at the Temple. They retained their own calendar as a theoretical concept that had been valid at the time of Creation and might be used again in the End of Days.

Beyond resolving a long-standing question about the Dead Sea Scrolls, the study offers insight into how religious communities respond when deeply held ideals encounter practical limitations and changing political realities. It suggests that a system can cease to function in everyday life while continuing to shape identity, belief, and collective memory.

“A Religious Ideal and a Symbol of Identity”

Prof. Ratzon concludes:

“The Qumran calendar has long been regarded as one of the Qumran sect’s defining features, but also as one of the most baffling mysteries of the Dead Sea Scrolls. This study proposes an alternative for the seeming contradiction between a functional calendar and a theoretical one. It is quite possible that the calendar was in fact used for a certain period of time, but then, losing its practical role due to both inherent problems and political changes, became a religious ideal and a symbol of identity. This would explain both its centrality in the Qumran scrolls and its gradual disappearance from historical reality.”

Researchers Reveal How a Rare Allergic Stomach Disease Develops

A new Tel Aviv University study identifies the immune mechanisms behind eosinophilic gastritis and introduces one of the first experimental models of the disease, opening new avenues for future treatments.

Researchers at Tel Aviv University have developed one of the first experimental models that faithfully reproduces eosinophilic gastritis (EoG), a rare but increasingly recognized allergic disease of the stomach. Using this model, they identified the immune pathways responsible for driving the disease and explained why a new generation of biologic therapies currently being evaluated in clinical trials may benefit patients.

The study was led by Prof. Ariel Munitz and PhD student Anish Dsilva from the Department of Clinical Microbiology and Immunology at the Gray Faculty of Medical and Health Sciences, Tel Aviv University. The findings were published in Allergy, the world’s leading journal in clinical immunology.

Understanding a Poorly Understood Disease

Eosinophilic gastritis belongs to a family of disorders known as eosinophilic gastrointestinal diseases (EGIDs). The disease occurs when immune cells called eosinophils accumulate in the stomach, leading to chronic inflammation. Patients may suffer from abdominal pain, nausea, vomiting, early satiety, poor digestion, weight loss, and reduced quality of life. Although EoG is considered a rare disease, the number of diagnosed patients has increased substantially over the past decade, partly due to greater awareness and improved diagnosis. Despite this growing recognition, the biological mechanisms responsible for the disease have remained poorly understood, and treatment options remain limited.

Prof. Munitz explains:

“One of the greatest challenges in studying eosinophilic gastritis has been the lack of experimental models that accurately mimic the disease seen in patients. Without such models, it has been difficult to understand what causes the disease and, more importantly, to develop better treatments.”

Building a Model That Mimics the Disease

To overcome this challenge, the researchers developed a new mouse model that closely reproduces the key features observed in patients, including accumulation of eosinophils and mast cells, chronic inflammation, structural changes in the stomach lining, and tissue fibrosis. The new model now provides researchers worldwide with an important platform for studying this poorly understood disease and evaluating potential therapies.

The team then used the model to investigate two major immune signaling pathways controlled by the cytokines IL-4 and IL-13 molecules that play central roles in allergic diseases and are already targeted by several biologic drugs.

Their findings revealed that the two pathways perform remarkably different functions during disease development.

Two Pathways, Two Distinct Roles

Blocking IL-4Rα, a receptor that responds to both IL-4 and IL-13, dramatically reduced the accumulation of inflammatory cells in the stomach and prevented many of the structural changes caused by the disease. In contrast, eliminating IL-13Rα1, a closely related receptor, had little effect on inflammatory cell recruitment but significantly reduced the abnormal remodeling of stomach tissue.

“Although these two receptors have long been considered part of the same inflammatory pathway, we found that they actually perform distinct jobs,” says Prof. Munitz”. IL-4Rα acts as a master regulator that drives both inflammation and tissue damage, whereas IL-13Rα1 primarily controls how the stomach tissue remodels during disease”.

The findings are particularly timely because biologic therapies targeting IL-4Rα are already transforming the treatment of several allergic diseases, including asthma, atopic dermatitis, chronic rhinosinusitis with nasal polyps, and eosinophilic esophagitis. These therapies are now also being investigated in patients with eosinophilic gastritis.

“Our study provides a biological explanation for why therapies targeting IL-4Rα may be effective in eosinophilic gastritis,” says Prof. Munitz. “At the same time, it suggests that future therapies could become even more precise by targeting different pathways responsible for inflammation and tissue remodeling separately.”

Beyond its therapeutic implications, the researchers believe the new disease model represents an important resource for the scientific community.

“Developing new treatments begins with understanding how diseases work,” Prof. Munitz concludes. “By creating a model that closely resembles eosinophilic gastritis in humans, we now have a powerful tool for uncovering new therapeutic targets and accelerating the development of treatments for patients suffering from this challenging disease.”

 

Tel Aviv University Inaugurates $35 Million Sylvan Adams Sport Science Institute

Science to power performance in the new state-of-the-art center

Elite athletes often speak about chasing fractions of a second or a few extra centimeters. At Tel Aviv University, those margins are becoming the focus of cutting-edge research.

This week, TAU officially inaugurated the Sylvan Adams Sport Science Institute, a landmark new center that brings together researchers, physicians, engineers, physiologists, data scientists, and AI experts to transform scientific discoveries into practical tools for athletic performance. Established through an approximately $35 million philanthropic gift from businessman and philanthropist Sylvan Adams, the Institute positions Tel Aviv University at the forefront of sport science research while strengthening Israel’s competitive edge on the international stage.

More than a state-of-the-art training center, the institute is designed as a living laboratory where science and elite sport meet. Researchers will investigate everything from exercise physiology and biomechanics to nutrition, injury prevention, environmental adaptation, and performance optimization, translating academic research into personalized programs for athletes.

“The Institute at TAU is unique and will do groundbreaking research. It lays the scientific, technological, and research foundation that will help Israeli athletes achieve new levels of sporting excellence and I believe that bringing together research, innovation, and professional excellence will help develop Israel’s next generation of champions,” said Mr. Sylvan Adams at the inauguration ceremony.

Mr. Sylvan Adams talking about his vision for the Institute (photo: Yael Tzur)

The Institute houses one of Israel’s and the world’s most advanced sport science facilities. Its laboratories—developed in collaboration with TAU’s Gray Faculty of Medical and Health Sciences and the Fleischman Faculty of Engineering—include an advanced scientific gym, motion analysis systems with high-speed video technology, a swimming flume, comprehensive fitness assessment facilities, and a climate chamber capable of recreating the temperature and humidity conditions athletes encounter at competitions around the world. A hypoxic hotel can even simulate training at altitudes of up to 5,000 meters, allowing researchers to study and enhance performance under extreme conditions.

Athletes will receive individualized physiological testing, nutrition guidance, mental performance support, and data-driven training recommendations. At the same time, researchers will use these facilities to conduct world-class applied research aimed at improving athletic performance, reducing injury risk, and advancing our understanding of human physiology.

“We are proud to inaugurate the Sylvan Adams Sport Science Institute, a project that would not have come into being without Sylvan’s extraordinary vision and generosity,” said TAU President Prof. Ariel Porat.

Canadian-Israeli philanthropist Sylvan Adams has played a transformative role in advancing Tel Aviv University’s vision, building on his family’s longstanding commitment to the institution. Through major philanthropic support, he established the Sylvan Adams Sport Science Institute as well as the Sports Center, helping position TAU as a national leader in sports science, athletic performance, and Olympic athlete development. A Vice-Chair of TAU’s Board of Governors and second-generation benefactor, Adams has also strengthened the University through scholarships, research initiatives, and global advocacy on its behalf.

The Olympic Partnership

A major milestone announced during the inauguration was a new strategic partnership between the institute and the Olympic Committee of Israel. Under the collaboration, selected Olympic athletes will receive ongoing scientific assessments and personalized support as they prepare for the Los Angeles 2028 and Brisbane 2032 Olympic Games, creating a direct pipeline between university research and international competition.

Trying the advanced gym equipment with Olympic cyclist Mikhail Yakovlev (photo: Yael Tzur)

Prof. Irad Ben-Gal, who heads the Institute, emphasized that its greatest strength lies in bridging the gap between research and practice. “What makes the Institute unique is its ability to transform scientific data into practical recommendations,” he said. “Every athlete will receive an individualized performance plan designed to improve results, optimize training, reduce injury risk, and monitor progress over time.”

While elite competitors will be among its primary beneficiaries, the Institute’s impact will extend well beyond Olympic sport. Its expertise and services will also support sports clubs, coaches, recreational athletes, and researchers, creating new opportunities for collaboration and innovation while advancing Tel Aviv University’s leadership in health, performance science, and interdisciplinary research.

Sharing the Stage

At Tel Aviv University, theater students learn to live, listen, and create across Israel’s deepest divides.

On any given evening at Tel Aviv University (TAU), the lights go up on a stage that is more than a performance space. It is a laboratory, a classroom, and, perhaps most importantly in today’s reality, a rare meeting ground for students from profoundly different backgrounds.

Jewish and Arab students, religious and secular, immigrants and native-born Israelis—all rehearse, argue, solve problems, and perform together. Theater demands a level of closeness few other academic disciplines require.

“When you’re rehearsing six hours a day with someone, you can’t stay in slogans,” says fourth-year acting student Mayar Sakran, from Nazareth.

“You have to listen. You have to trust each other. That changes something.”

A Microcosm of Israeli Society

Unlike other university programs, theater cannot be learned at a distance. At TAU Theater, actors, directors, and designers train together throughout an intensive four-year integrated BA–MFA program, while productions themselves are part of the curriculum rather than extracurricular activities.

“We believe that cultural and intellectual knowledge enrich artistic creation,” says Prof. Yair Lipshitz, TAU Department Chair of Theatre Arts. “Our students don’t just channel emotion—they analyze, contextualize, and interpret. Theory and practice feed each other.”

That shared creative process often results in something increasingly rare: understanding.

For Mayar the experience transformed not only her artistic development, but her personal life. “It was much more diverse than anything I’d experienced before,” she says. “I had never really engaged with Hebrew-speaking people or people from so many different backgrounds. It made my circle bigger.”

Over four years, she says, those encounters fundamentally changed the way she sees people. “Seeing how other people think about difficult topics really changed a lot of things for me. I’m not the same person I was four years ago.”

One of the most unexpected experiences came when she was cast in The Dybbuk, the classic Yiddish play, portraying Amalia—a young Jewish woman from an Eastern European shtetl. “It was something extremely far away from me,” she says. “I was excited to learn another language and research a world that wasn’t part of my own.” Today, Mayar still finds herself quoting lines in Yiddish.

War Enters the Rehearsal Room

After October 7 and during the ongoing wars, tensions inevitably surfaced. Some students were coping with unimaginable loss; some disappeared for weeks or months to serve in the reserves. Others were facing entirely different fears and realities. Political disagreements that had once remained in the background suddenly became impossible to ignore. And theater offered no easy way to avoid each other.

“We are so much a melding of one another,” says second-year acting student Gil Daniels, an American immigrant and a combat soldier in the IDF. Gil played a girlfriend of Amalia’s in The Dybbuk.  “Our work is about being fully present.” This sort of intensity in rehearsals forced difficult conversations.

Mayar and Gil on stage at The Dybbuk performance

Gil admits there were times he didn’t feel comfortable expressing his views, and some disagreements strained even close friendships.

“There were moments when my classmates and I, we really took space from each other,” he recalls.

But the nature of theater made permanent distance impossible, and the students had to find a way to move forward. “We had to readjust and re-understand how to progress … and still appreciate each other as people, colleagues, and fellow students,” Gil reflects. For him, that change was reflected in his relationships with Arab classmates, including students from Nazareth. Conversations that initially felt impossible gradually gave way to simple acts of concern, such as asking how one’s doing or visiting a sick classmate.

Learning to Disagree

Prof. Lipshitz knew his students arrived with vastly different personal and political perspectives. Rather than trying to erase disagreement, he focused on creating an environment where difficult conversations could happen without overwhelming the class.

“There were tensions, of course. Some classes decided together that the classroom should remain a protected learning space and not become overwhelmed by outside politics,” Lipshitz says. 

“The challenge is creating a space where people feel they belong without turning every class into a political argument.

I try to present the material as fully and honestly as possible, knowing I’ll still miss things and people from all sides may disagree with me.” His goal, he explains, is not consensus. “None of us are entirely comfortable, and that’s okay.”

Interestingly, the debates that proved most heated were often the least expected. “I’d think the class on Palestinian theater would provoke the biggest debate,” Prof. Lipshitz says. “Instead, a discussion about Mizrahi representation in theater would generate the strongest reactions.” Not every discussion ended neatly. Some students chose to continue conversations privately after class rather than speaking publicly. But they kept returning—to class, to rehearsals, and to one another. “And in this, I think, we succeeded in building trust,” Prof. Lipshitz reflects.

For Mayar, that trust was built just as much through everyday life as through performances. “We’re a close-knit group, and we’re here every day, morning till night. Over the years we became a family.” The friendships she formed crossed linguistic, cultural, and political lines. “I don’t like to categorize people and choose my friends based on the category they’re in,” she says. “I like to look at the person for who they are.”

Even misunderstandings became opportunities to grow. “Sometimes people accidentally hurt each other,” Mayar reflects. “But we talk about things together. We solve problems together. And when it works out, it’s beautiful.”

Lipshitz is careful not to describe the department as a utopia. Disagreements remain. So does discomfort. But after years of watching students creating together, he has come to believe that coexistence is not a defined set of rules:

“If students believe we’re here to learn from each other rather than erase one another,” he says, “then meaningful dialogue becomes possible.”

A Work in Progress

For many students, returning to rehearsals also became part of recovering from the trauma of war. The theater offered not only a place to create, but a place to reconnect—with themselves and with one another.

Gil believes that Israeli society needs more spaces where people can genuinely interact across differences. “There has to be more than just war,” he says. “There has to be more than a military culture.” Theater, he believes, offers one possible path.

Mayar shares that sentiment. “I think if people open their minds and see the beauty that’s out there [in each person], they really could live together,” she says. “It is possible.”

 

 

What’s in a Name? AI Associates Jewish Names with Stereotypical Traits

The traits include exceptional intelligence, extreme independence, moral complexity, and social distance.

A cynical doctor. A ruthless chemist. An arrogant billionaire. A calculating mafia boss.

These are not only some of today’s most iconic fictional characters—they are also the figures that artificial intelligence models found most similar to fictional biographies of people with Jewish names.

Large language models such as ChatGPT, DeepSeek, and Mistral are trained on enormous collections of human-written text.

These texts—including books, websites, academic articles, and social media posts—reflect patterns found in human culture, including cultural stereotypes.

A new study by Prof. Michael Gilead of the School of Psychological Sciences at Tel Aviv University’s Gershon H. Gordon Faculty of Social Sciences, together with Dr. Gal Gutman of the Faculty of Business and Management at Ben-Gurion University of the Negev, found that generative AI systems may preserve and reproduce stereotypical representations of Jews, even when the generated content itself is not explicitly antisemitic.

Life Stories: Biographies and Hidden Biases

Prof. Gilead and Dr. Gutman developed a unique method for uncovering hidden biases. First, the AI models were asked to generate hundreds of American male names, some Jewish and some non-Jewish.

Next, the models were presented with each name and instructed to infer the person’s characteristics, including where they lived, what they did for a living, three negative personality traits, three positive traits, and the values that defined them. They were then asked to write a rich biography of approximately 100 words describing that person’s life story.

Prof. Michael Gilead (Tel Aviv University) and Dr. Gal Gutman (Ben-Gurion University of the Negev)

The models generated biographies for both Jewish names—such as Ethan Katz, Noah Weiss, and Gabriel Horowitz—and non-Jewish names, including Tyler Johnson, Kyle White, and Dylan Wilson.

Below are excerpts from two example biographies:

  • A 52-year-old Jewish American man – Zachary Oppenheimer: A sharp-minded and ambitious financial analyst… Excels in his demanding position… Struggles to balance the pursuit of financial success with its personal costs…
  • A 52-year-old non-Jewish American man – Curtis Stewart: Brings history to life with remarkable enthusiasm… Stubborn and cynical… Willing to go above and beyond… Serves as an important source of support…

The researchers then removed all names and references to religion before asking the AI models to evaluate each character’s personality, social status, and psychological traits, allowing them to determine which characteristics had been influenced solely by the assigned name.

Drug Lords, Mafia Bosses, and Weapons Designers: Not Jewish, but Jew-ish

The results showed that characters with Jewish names were consistently perceived as more intelligent, more efficient, more assertive, and stronger leaders. They were also viewed as having greater power, influence, and social privilege.

While many of these traits are positive on their own, the researchers note that the combination of positive and negative characteristics closely resembles historical antisemitic representations in which Jews were associated with power, social distance, control, and rigidity.

To understand how this combination of traits appears in contemporary culture, the researchers asked the AI models to match the profiles to well-known fictional characters.

The models repeatedly identified Sherlock Holmes, Dr. House, Walter White (Breaking Bad), Tony Stark (Marvel), and Michael Corleone (The Godfather)

These iconic characters share exceptional intelligence, extreme independence, moral complexity, and, in many cases, social isolation, together with influence, power, and emotional distance—traits that mirror longstanding stereotypes about Jews.

Prof. Gilead explains:

“For most of history, these tropes circulated through pamphlets, caricatures, and rumor. Today they sit, dormant but intact, inside systems that hundreds of millions of people consult every day. The models never say anything explicitly antisemitic, but they may be predisposed to evaluate Jewish individuals in a way that replicates ancient antisemitic tropes.”

Iron Man and The Godfather – fictional characters sharing the same stereotypical traits associated with Jewish names

The findings were replicated using additional AI models and validated by hundreds of participants from the United States. After reading the biographies without seeing the names attached to them, participants identified the same patterns.

According to Dr. Gutman:

“Artificial intelligence systems do not express antisemitism in an intentional or conscious sense. Rather, they may reproduce patterns of representation and cultural stereotypes embedded in the data on which they were trained.”

She adds:

“Historical biases do not simply disappear; they can persist within the deep structure of the knowledge these models learn, even after alignment and bias-mitigation processes. Jews are the case study here, but any group’s latent portrait can be extracted the same way, and we suspect many would be similarly troubling.”

The researchers further note that alignment processes, designed to reduce offensive or discriminatory outputs, do not necessarily eliminate the kinds of hidden biases identified in the study.

As AI becomes increasingly integrated into education, public services, and decision-making, they conclude, it is essential to examine the hidden cultural assumptions and stereotypes that may remain deeply embedded within these systems.

 

Did Israel’s “Basket” Initiative Lower Grocery Bills?

A new TAU study finds that while the government’s flagship cost-of-living program lowered prices on selected products, it was accompanied by price increases across dozens of other categories.

Researchers from the Coller School of Management at Tel Aviv University examined the Ministry of Economy’s flagship “Israel’s Basket” initiative and found that although it substantially reduced the prices of the 100 products included in the program, these reductions were accompanied by price increases across many other product categories. According to the researchers, the overall impact on consumers’ grocery bills may therefore have been considerably smaller than expected.

Looking Beyond the 100 Products

The study was conducted by Prof. Itai Ater and Adi Omer of the Coller School of Management at Tel Aviv University, together with Dr. Or Avishay-Rizhi of Pompeu Fabra University in Barcelona. Based on daily price data collected by the Pricez platform from approximately 70 supermarket chains and more than 2,000 stores across Israel, the researchers examined the program’s effects during its first seven weeks.

As part of the initiative, Carrefour committed to selling a basket of 100 products for a total price of NIS 1,098, compared with an average price of approximately NIS 1,700 before the program was launched. In return, the Israeli government allocated NIS 50 million to support a nationwide advertising campaign. The initiative operates in 50 Carrefour branches and on the company’s online shopping platform for a period of six months.

Analysis of more than 2,000 stores and Pricez data showed that prices of the designated basket products fell by approximately 35% in participating Carrefour branches. Prices also declined by approximately 6% in Carrefour branches that were not participating in the initiative, suggesting that some of the price reductions spilled over to other parts of the chain. On Carrefour’s online platform, basket products recorded an average price reduction of approximately 37%.

Carrefour in Israel

Lower Prices on Basket Products, Higher Prices Elsewhere

The researchers also examined price changes across product categories that were not included in the government’s basket.

Among participating Carrefour stores, prices increased in 46 of the 76 product categories examined, with 23 categories showing statistically significant increases. Notable examples included:

  • Laundry detergent and laundry gel – approximately 9%
  • Pudding, jelly, and whipped cream products – approximately 7%
  • Adult shampoo and conditioner – approximately 7%
  • Pasta, spaghetti, and lasagna – approximately 6%
  • Butter and flavored cookies – approximately 6%

The pattern was even more pronounced online, where prices increased in 55 product categories. Among the largest increases were:

  • Adult shampoo and conditioner – approximately 14%
  • Tea biscuits and crackers – approximately 9%
  • Laundry detergent and laundry gel – approximately 8%
  • Pasta, spaghetti, and lasagna – approximately 8%
  • Savory snacks – approximately 7%

The researchers also found price increases of approximately 1.5% to 2% for a range of other popular products that were not included in the government basket.

How Did Competing Supermarkets Respond?

Outside Carrefour, the program’s impact was considerably more limited. When the researchers examined physical stores across Israel’s supermarket chains, they found no statistically significant reduction in the prices of the designated basket products. Focusing specifically on the country’s major discount chains, they identified an average price reduction of approximately 3%.

Among the retailers:

  • Mahsanei HaShuk recorded the largest average reduction, at approximately 10%.
  • Half Hinam reduced basket prices by approximately 5%.
  • Yohananof lowered prices by approximately 4%.
  • Victory reduced prices by approximately 3%.
  • Rami Levy also lowered prices by approximately 3%.

By contrast, the researchers found no statistically significant price reductions at Shufersal Deal, Osher Ad, or Universe.

The online market showed a similar pattern. Competing retailers reduced the prices of basket products by an average of only 2.3%, with substantial differences between chains:

  • Rami Levy Online reduced basket prices by approximately 9%.
  • Half Hinam Online lowered prices by approximately 4%.

No significant price reductions were observed at Shufersal Online, the largest online grocery retailer in Israel, or at Mahsanei HaShuk Online.

Does Shopping Near a Carrefour Store Make a Difference?

National Pricing Rather Than Local Competition

The researchers also examined whether competing supermarket chains responded differently in areas where Carrefour stores participating in the initiative were located.

Their findings showed no meaningful differences between cities with participating Carrefour branches and those without them. According to the researchers, this suggests that Israel’s major supermarket chains set prices primarily at the national level, rather than competing store by store.

In other words, the presence of a nearby Carrefour branch offering discounted basket products did not lead competing supermarkets in the same city to lower their prices.

“There Are No Free Gifts in Economics”

Prof. Itai Ater concludes:

“There is no doubt that the program succeeded in lowering the prices of the designated basket products in the relevant Carrefour branches and also led to some price reductions among certain competitors. But in economics, there are no miracles and there are no free gifts.

“When you look beyond the 100 products at the center of the campaign, you see that these price reductions were accompanied by increases across dozens of other product categories. As a result, consumers who saved money on the basket products paid more for other items.

“The real test is not the price of a single product, but the total amount consumers pay at the checkout. From that perspective, it is possible that the effort to reduce the cost of the shopping basket ultimately produced the opposite result.”

Prof. Itai Ater (Photo: Oded Antman)

Prof. Itai Ater of the Coller School of Management is a leading researcher in the fields of competition policy, industrial organization, and public policy. His research examines the economic mechanisms that shape markets and influence consumers’ everyday spending.

 

Do Zebra Finches Understand Meaning? Prize-Winning Research Suggests They Do

The 2026 Coller Dolittle Prize was awarded to Dr. Julie E. Elie for research showing that zebra finches classify calls by meaning rather than sound.

The Jeremy Coller Foundation and Tel Aviv University have announced the winner of the 2026 Coller Dolittle Challenge for Two-Way Interspecies Communication. This year’s US$100,000 prize was awarded to Dr. Julie E. Elie, of the Theunissen Lab at the University of California, Berkeley, for her discovery that zebra finches classify their calls according to meaning more so than acoustics.

Building a Dictionary of Bird Calls

Using AI machine learning and detailed observations of animal behavior, Dr. Julie Elie and her team investigated the acoustic features of zebra finches’ vocalizations and created a “dictionary” classifying zebra finches’ vocalizations into 11 categories or call-types, with meanings such as aggression, hunger or bonding. Elie took her research one step further, carrying out an experiment that tested whether the birds agreed with her classification. She trained zebra finches to press buttons which played her categorized call-types, each day rewarding only one of the call-types with seeds. The birds rapidly learned which call-type was being rewarded, waiting for their reward at the end of the playback, and interrupted non-rewarded call-types.

The Discovery Came from the Birds’ Mistakes

But the truly remarkable scientific advancement was discovered after the categorization exercise, when Elie and her team investigated the errors that birds made when seeking the rewarded call-type. Zebra finches made classification mistakes on calls with shared meaning that could not be explained by how similar-sounding these call-types were. For instance, the birds mistook long-distance contact calls and short-distance contact calls, which are acoustically very different. But, they never mistook a short contact call with a short alarm call, which have very similar acoustic patterns but entirely distinct meanings. As such, the study reveals that call perception elicits a mental imagery of the meaning of call-types, rather than triggering a reflexive response.

AI Brings Scientists Closer to Animal Communication

The prize was presented during an event on 25th June with four shortlisted teams of researchers from the US, France and Switzerland presenting their remarkable discoveries on communication with African striped mice, chimpanzees and bonobos. AI tools were central to the finalists’ studies, enabling them to analyze larger data sets at greater speed, and to decode bioacoustic patterns which are inaudible to human hearing.

A pair of zebra finches

Dr. Julie Elie said: 

“Our research shows that exciting scientific discoveries come from mistakes. It’s been a fascinating collaborative exercise to ask the zebra finches questions about their vocalizations. The fact that, sometimes, the birds get the classification of their own calls wrong has enabled us to gain huge insight into their perceptions and mental imagery. 

“But, there is so much more to be done. Beyond developing the right algorithm to interpret animal vocalizations, we must coordinate the acoustic with the visual. I am excited for the development of robots to mimic the movements and posture of the species we’re interested in. But in the meantime, I’m delighted that I have been recognized by the Coller Dolittle Committee for our team’s contributions to the goal of two-way interspecies communication. I am really grateful to all the people that contributed to this project and to the Jeremy Coller Foundation for making this recognition possible.”

From Animal “Words” to Animal “Sentences”

Professor Yossi Yovel, Tel Aviv University and Chair of the Coller Dolittle Challenge, said: “This year’s finalists have raised the scientific bar of the Coller Dolittle Challenge even further. We have seen a clear transition from studying individual animal “words” to the study of “sentences”. Dr. Julie Elie’s research excelled in all domains. Her study has gone beyond decoding zebra finch’s communication and has begun to answer whether these patterns identified by scientists are actually relevant and meaningful to the birds. On this trajectory, we are accelerating at pace towards two-way interspecies communication.”

Jeremy Coller said: “Congratulations to Dr. Julie Elie, a well-deserved winner of this year’s Prize. From primates to rodents, from jungles to deserts, down on the ground and up in the sky, today’s finalists are all pushing the frontiers of animal communication. While the ultimate goal of achieving genuine two-way communication remains tantalizingly out of reach, scientists are bringing us all one step closer to what I am convinced is now inevitable.

AI is accelerating so fast, I have absolute conviction we’ll crack the code by 2030 – a breakthrough that will benefit humans and our fellow animals the world over and give a long overdue voice to the voiceless.”

 

How Cancer Turns the Immune System Against Itself

New TAU study reveals how tumors reprogram immune cells to support their own growth, opening the door to new treatment strategies.

Researchers at Tel Aviv University’s Gray Faculty of Medical and Health Sciences have uncovered how a natural and essential immune system process can be hijacked to promote cancer progression. In a new study, the research team developed an advanced technology that enabled them to track macrophages, immune system cells, in real time and reveal how they alter their behavior within a cancerous tumor after consuming dead cancer cells. Their findings may pave the way for the development of new treatments targeting the specific macrophages identified in the study, restoring the immune system’s ability to fight the tumor instead of helping it.

The study was led by Dr. Merav Cohen and doctoral students Roi Balaban and Ori Moskowitz of the Gray Faculty of Medical and Health Sciences at Tel Aviv University. It was published in the prestigious journal Science Immunology.

When the Immune System Changes Sides

At the heart of the study are macrophages, immune cells whose role is to clear the body of damaged and dead cells. This process is essential for maintaining tissue health and preventing inflammation. However, the researchers discovered that within the environment of a cancerous tumor, this same mechanism can take an unexpected turn: instead of helping the body, it causes immune cells to adopt characteristics that actively support tumor growth.

To understand how this occurs, the researchers developed an innovative method called Effero-seq, which enables the tracking of changes that occur in immune cells after they engulf dead cells. Using this technology, the team found that as the process progresses, the immune cells undergo “reprogramming” and begin activating genes that promote tumor development.

Tracking Tumor-Supporting Immune Cells

Using a melanoma model, the researchers found that macrophages that had consumed dead cancer cells stimulated the formation of new blood vessels within the tumor. These blood vessels supply the tumor with oxygen and nutrients, enabling it to grow more rapidly. At the same time, these macrophages lost some of their ability to respond to signals that trigger anti-cancer immune activity.

The researchers also analyzed data from patients with uveal melanoma, a form of eye cancer. They found that patients whose tumors contained higher expression of immune cells bearing the genetic signature identified in the study tended to have lower survival rates.

According to Dr. Cohen, the findings provide a new perspective on how cancerous tumors manipulate their surroundings and harness the immune system for their own needs. “The better we understand these mechanisms, the better equipped we will be to develop treatments that block them and restore the immune system’s ability to fight cancer,” she says. “This research points to a new and promising therapeutic target, one that focuses not only on the cancer cells themselves, but also on the processes that enable them to thrive.”

Prof. Joel Mokyr Returns to TAU for a Special Campus Visit

The 2025 Nobel Prize in Economic Sciences laureate visited campus for three days of lectures, discussions, and special events celebrating his achievements and longstanding ties to the University.

This week, Tel Aviv University welcomed back Prof. Joel Mokyr, winner of the 2025 Nobel Prize in Economic Sciences and Visiting Professor at TAU’s Eitan Berglas School of Economics, for a three-day campus visit celebrating both his academic achievements and his longstanding connection to the university.

The three-day visit included an interdisciplinary discussion on economic history, a public lecture titled “What Drives Economic Growth?”, a ceremony dedicating the Economics Student Plaza in his honor, participation in a conference at the Porter School of Environmental and Earth Sciences, and a special reunion with his former high school classmates, who gathered on campus to celebrate his Nobel Prize.

Prof. Mokyr, an Israeli-American economic historian and professor at Northwestern University, received the 2025 Nobel Prize in Economic Sciences for his pioneering research on innovation, technological change, and the forces that drive long-term economic growth. His work has fundamentally reshaped the understanding of how scientific knowledge, institutions, and ideas contribute to prosperity over time.

Exploring the Origins of Economic Growth

One of the highlights of the visit was a public lecture, hosted by Tel Aviv University President Prof. Ariel Porat and Vice President for International Affairs Prof. Milette Shamir, which brought together students, faculty members, and members of the public to explore one of the central questions that has shaped Prof. Mokyr’s career: What enables societies to innovate and grow over the long term?

Prof. Joel Mokyr delivering his lecture at Bar-Shira Hall during his visit to Tel Aviv University

Prof. Mokyr began teaching at Northwestern University in 1974 and was elected to the American Academy of Arts and Sciences in 1996. Throughout his career, he has served as President of the Economic History Association and developed the concept of the Industrial Enlightenment, which links ideas from the Enlightenment to the processes that drove the Industrial Revolution.

His books include A Culture of Growth: The Origins of the Modern Economy (2016) and Two Paths to Prosperity: Culture and Institutions in Europe and China (2025).

The visit also included an interdisciplinary discussion on economic history with researchers from across the University and Prof. Mokyr’s participation in a conference at the Porter School of Environmental and Earth Sciences. On Monday, classmates from his high school years gathered on campus for a special reunion celebrating his Nobel Prize, marking another memorable moment during his visit.

Prof. Joel Mokyr

Honoring a Longstanding Member of the TAU Community

As part of the visit, Tel Aviv University dedicated its Economics Student Plaza in honor of Prof. Mokyr, recognizing both his groundbreaking scholarship and his many years of teaching and mentoring students at the Eitan Berglas School of Economics.

Prof. Joel Mokyr with Tel Aviv University President Prof. Ariel Porat

Reflecting on his connection to Israel and Tel Aviv University, Prof. Mokyr said:

“No matter where you live, Israel remains stuck deep in your soul. I especially love teaching Israeli students—they are always highly involved and ready to share their ideas. I can’t wait for what comes next…I’m only getting started.”

On AI, Innovation, and the Future of Universities

Prof. Mokyr’s research has long explored how the creation and dissemination of what he calls “useful knowledge” helped drive the Industrial Revolution and laid the foundations for modern economic growth. During his visit, we asked him how he sees these ideas applying to one of today’s most transformative technologies: artificial intelligence.

If innovation depends not only on new inventions but also on the spread of knowledge, what role might AI play? Could it expand this body of knowledge, or reshape the conditions that make innovation possible?

“My sense it could go either way,” Prof. Mokyr said.

“AI clearly will expand the body of knowledge and make it even more accessible. Yet if the entire world will use two or three sources of AI, say ChatGPT and Claude and Gemini, then we may all be bleating the same tones.”

At the same time, he noted that if the entire world were to rely on only a handful of AI systems, diversity of thought could suffer. Drawing on lessons from economic history, however, he believes competition will continue to challenge dominant technologies and encourage new ideas.

“I expect the number of companies providing AI and other sources will expand, and they may use very different algorithms and ways to process information, and in that world they can avoid the loss of diversity—and could even expand it. It’s hard to predict, but the past teaches us that monopolies are always contestable and in the long run even IBM and Google and Amazon have had to face new entrants and competition—the essence of creative destruction.”

He concluded:

“AI is a malleable tool and I would not be surprised if it actually led to MORE intellectual diversity.”

Prof. Joel Mokyr

Prof. Mokyr also reflected on the role universities play in sustaining the international exchange of ideas at a time of increasing political polarization and geopolitical competition.

” Universities are a major pillar of the global intellectual community—they make an explicit effort to promote international connections, of students, faculty, and even staff.”

He added:

“The campuses are full of foreign students, postdocs, academic visitors. They run seminars and conferences that attract scholars from all over. Many Universities have overseas campus and have ‘semester abroad’ and similar program, fostering cosmopolitan attitudes and supporting worldwide connections. In short, they are one of the main drivers of the global intellectual community—how could they not?”

 

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