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Rabbis, monks and bats: A religion scholar and a zoologist find a new way to map early Jewish-Christian relations

(JTA) — What did rabbis of late antiquity know about Christianity?

To find out, an Israeli religion scholar turned to an Israeli zoologist who studies bats.

Their strange-bedfellows paper on the topic uses network analysis — a mathematical field used to visualize data — to map the connections of the rabbis of the Talmud with Christians who were writing and teaching at the same time, including new insights into how the literature of Christian monks made its way into Jewish thought.

Michal Bar-Asher Siegal, a scholar of rabbinic Judaism at Ben-Gurion University of the Negev, and Yossi Yovel, a zoologist from Tel Aviv University, say their approach, once it becomes widely used, could revolutionize the field of Jewish-Christian studies.

Their visualizations — picture color-coded dots representing rabbis and church elders connected by a spider web of relationships — are “a snapshot of a multi-faceted reality spread over many decades and thousands of kilometers in which Jews and Christians interact in various ways with one another,” they wrote in the May 2023 issue of Human and Social Science Communications. 

The Babylonian Talmud, a vast anthology of rabbinic law and lore, was produced in present-day Iraq between the 3rd and 7th centuries CE. At the same time, Christianity was evolving from a heretical Jewish sect to a religion with growing influence across the waning Roman Empire. Like most scholars of rabbinic Judaism, Bar-Asher Siegal rejects a dated theory that Jews and Christians “parted ways” in the early centuries of the Common Era and had limited contact. But she also wanted proof beyond the painstaking scholarly method of comparing passages in Jewish and Christian texts. 

For that, she approached Yovel, who works at the Bat Lab (full name: The Bat Lab for Neuro-Ecology at the Sagol School of Neuroscience). There, he uses network analysis to understand the social structures of a colony of Egyptian fruit bats. The lab’s live Bat Cam broadcasts 24/7

For the Talmud study, he and Bar-Asher Siegal gathered rabbinic texts that seemed to have some knowledge of Christian sources and mapped the relationships among them. The results show, for example, how one rabbinic source might be familiar with many other Christian traditions, or how many rabbinic traditions showed familiarity with one Christian source.

In one example, they demonstrate the extent to which the “Sayings of the Desert Fathers” — a 5th-century collection of Christian monastic literary traditions — feature in multiple rabbinic passages. 

“The application of network analysis makes it possible to identify the most influential texts — that is, the key ‘nodes’ — testifying to the importance of certain traditions for both religious communities,” Bar-Asher Siegal said in a statement from BGU. “What did the Jews know? The New Testament or later sources? And which parts of the New Testament? This leads to interesting scholarly questions: why these texts and not others? How did they know and how did they react to this knowledge?” 

The authors acknowledge that their paper is only a “proof of concept” and that traditional methods have long revealed the different types of literary interactions between the rabbis and Christians, from fierce anti-Christian polemics to shared theological concepts to the occasional parody.  

But they assert that network analysis, combined with extensive human input, can produce more data in less time and provide a more complete picture of the complex interplay between the two religions. 

Other humanities scholars have used network analysis to study the relationships between characters in modernist novels, the family ties of prominent Britons and the relative complexity of Shakespeare’s tragedies.

The Talmud study, said Yovel, “is a good example of how interdisciplinarity and the use of tools from one scientific field can enrich another.”


The post Rabbis, monks and bats: A religion scholar and a zoologist find a new way to map early Jewish-Christian relations appeared first on Jewish Telegraphic Agency.

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After False Dawns, Gazans Hope Trump Will Force End to Two-Year-Old War

Palestinians walk past a residential building destroyed in previous Israeli strikes, after Hamas agreed to release hostages and accept some other terms in a US plan to end the war, in Nuseirat, central Gaza Strip October 4, 2025. Photo: REUTERS/Mahmoud Issa

Exhausted Palestinians in Gaza clung to hopes on Saturday that US President Donald Trump would keep up pressure on Israel to end a two-year-old war that has killed tens of thousands and displaced the entire population of more than two million.

Hamas’ declaration that it was ready to hand over hostages and accept some terms of Trump’s plan to end the conflict while calling for more talks on several key issues was greeted with relief in the enclave, where most homes are now in ruins.

“It’s happy news, it saves those who are still alive,” said 32-year-old Saoud Qarneyta, reacting to Hamas’ response and Trump’s intervention. “This is enough. Houses have been damaged, everything has been damaged, what is left? Nothing.”

GAZAN RESIDENT HOPES ‘WE WILL BE DONE WITH WARS’

Ismail Zayda, 40, a father of three, displaced from a suburb in northern Gaza City where Israel launched a full-scale ground operation last month, said: “We want President Trump to keep pushing for an end to the war, if this chance is lost, it means that Gaza City will be destroyed by Israel and we might not survive.

“Enough, two years of bombardment, death and starvation. Enough,” he told Reuters on a social media chat.

“God willing this will be the last war. We will hopefully be done with the wars,” said 59-year-old Ali Ahmad, speaking in one of the tented camps where most Palestinians now live.

“We urge all sides not to backtrack. Every day of delay costs lives in Gaza, it is not just time wasted, lives get wasted too,” said Tamer Al-Burai, a Gaza City businessman displaced with members of his family in central Gaza Strip.

After two previous ceasefires — one near the start of the war and another earlier this year — lasted only a few weeks, he said; “I am very optimistic this time, maybe Trump’s seeking to be remembered as a man of peace, will bring us real peace this time.”

RESIDENT WORRIES THAT NETANYAHU WILL ‘SABOTAGE’ DEAL

Some voiced hopes of returning to their homes, but the Israeli military issued a fresh warning to Gazans on Saturday to stay out of Gaza City, describing it as a “dangerous combat zone.”

Gazans have faced previous false dawns during the past two years, when Trump and others declared at several points during on-off negotiations between Hamas, Israel and Arab and US mediators that a deal was close, only for war to rage on.

“Will it happen? Can we trust Trump? Maybe we trust Trump, but will Netanyahu abide this time? He has always sabotaged everything and continued the war. I hope he ends it now,” said Aya, 31, who was displaced with her family to Deir Al-Balah in the central Gaza Strip.

She added: “Maybe there is a chance the war ends at October 7, two years after it began.”

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Mass Rally in Rome on Fourth Day of Italy’s Pro-Palestinian Protests

A Pro-Palestinian demonstrator waves a Palestinian flag during a national protest for Gaza in Rome, Italy, October 4, 2025. Photo: REUTERS/Claudia Greco

Large crowds assembled in central Rome on Saturday for the fourth straight day of protests in Italy since Israel intercepted an international flotilla trying to deliver aid to Gaza, and detained its activists.

People holding banners and Palestinian flags, chanting “Free Palestine” and other slogans, filed past the Colosseum, taking part in a march that organizers hoped would attract at least 1 million people.

“I’m here with a lot of other friends because I think it is important for us all to mobilize individually,” Francesco Galtieri, a 65-year-old musician from Rome, said. “If we don’t all mobilize, then nothing will change.”

Since Israel started blocking the flotilla late on Wednesday, protests have sprung up across Europe and in other parts of the world, but in Italy they have been a daily occurrence, in multiple cities.

On Friday, unions called a general strike in support of the flotilla, with demonstrations across the country that attracted more than 2 million, according to organizers. The interior ministry estimated attendance at around 400,000.

Italy’s right-wing government has been critical of the protests, with Prime Minister Giorgia Meloni suggesting that people would skip work for Gaza just as an excuse for a longer weekend break.

On Saturday, Meloni blamed protesters for insulting graffiti that appeared on a statue of the late Pope John Paul II outside Rome’s main train station, where Pro-Palestinian groups have been holding a protest picket.

“They say they are taking to the streets for peace, but then they insult the memory of a man who was a true defender and builder of peace. A shameful act committed by people blinded by ideology,” she said in a statement.

Israel launched its Gaza offensive after Hamas terrorists staged a cross border attack on October 7, 2023, killing some 1,200 people and taking 251 people hostage.

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Hamas Says It Agrees to Release All Israeli Hostages Under Trump Gaza Plan

Smoke rises during an Israeli military operation in Gaza City, as seen from the central Gaza Strip, October 2, 2025. Photo: REUTERS/Dawoud Abu Alkas

Hamas said on Friday it had agreed to release all Israeli hostages, alive or dead, under the terms of US President Donald Trump’s Gaza proposal, and signaled readiness to immediately enter mediated negotiations to discuss the details.

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