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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.”
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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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Iran Says Eight Arrested for Suspected Links to Israel’s Mossad Spy Agency

The Mossad recruitment ad. Photo: Screenshot.
Iran’s Revolutionary Guards said on Saturday they had arrested eight people suspected of trying to transmit the coordinates of sensitive sites and details about senior military figures to Israel’s Mossad, Iranian state media reported.
They are accused of having provided the information to the Mossad spy agency during Israel’s air war on Iran in June, when it attacked Iranian nuclear facilities and killed top military commanders as well as civilians in the worst blow to the Islamic Republic since the 1980s war with Iraq.
Iran retaliated with barrages of missiles on Israeli military sites, infrastructure and cities. The United States entered the war on June 22 with strikes on Iranian nuclear facilities.
A Guards statement alleged that the suspects had received specialized training from Mossad via online platforms. It said they were apprehended in northeastern Iran before carrying out their plans, and that materials for making launchers, bombs, explosives and booby traps had been seized.
State media reported earlier this month that Iranian police had arrested as many as 21,000 “suspects” during the 12-day war with Israel, though they did not say what these people had been suspected of doing.
Security forces conducted a campaign of widespread arrests and also stepped up their street presence during the brief war that ended in a US-brokered ceasefire.
Iran has executed at least eight people in recent months, including nuclear scientist Rouzbeh Vadi, hanged on August 9 for passing information to Israel about another scientist killed in Israeli airstrikes.
Human rights groups say Iran uses espionage charges and fast-tracked executions as tools for broader political repression.
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Body of Idan Shtivi, Murdered on Oct. 7, Retrieved from Gaza in Special IDF Operation

Idan Shtivi. Photo: Courtesy of the family
i24 News – The body of Idan Shtivi, a 28-year-old murdered by Palestinian jihadists at the Nova music festival on October 7, 2023, was recovered in a joint operation by the IDF and Shin Bet in central Gaza, it was cleared for publication on Saturday.
Shtivi’s remains were returned to Israel alongside the body of Ilan Weiss, another hostage killed during the October 7 massacre.
“Idan Shtivi was abducted from the Tel Gama area and brutally murdered by Hamas terrorists after acting to rescue and evacuate others from the Nova music festival on October 7th, 2023. He was 28 years old at the time of his death,” read an IDF press release.
“Following an identification process conducted at the National Center for Forensic Medicine, along with the Israel Police and the Military Rabbinate, the Hostages and Missing Persons Headquarters notified his family.”
Prime Minister Benjamin Netanyahu said Shviti “was a gifted student of sustainability and governance, and a courageous individual” who acted heroically on October 7, helping others flee.
“He was killed in the process and his body was abducted to Gaza by Hamas. My wife and I send our heartfelt condolences to the Shtivi family. So far, 207 hostages have been returned, 148 of them alive. We will continue to act tirelessly and decisively to bring back all our hostages—living and deceased.”
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Woman Stabbed at Ottawa Grocery Store in Latest Antisemitic Attack

A social media post by the alleged attacker, Joseph Rooke of Cornwall, Ontario. Photo: Screenshot via i24
i24 News – The stabbing of a Jewish woman at an Ottawa grocery by a man with a long history of antisemitic posts on social media, the latest antisemitic hate crime in Canada, sparked outrage and prompted condemnation from officials including the prime minister.
Both the victim and the attacker are in their 70s. The woman is reportedly in serious condition.
The suspect was identified as Joseph Rooke, who has authored a series of lengthy rambling screeds on social media, ranting against Israel and Jews.
“Judaism is the world’s oldest cult,” he writes in one post, going on to say “over time jews have become insidious in governments, businesses, media conglomerates, and educational institutions in order to do what they do better than anyone else. Jews are the world’s masters of propaganda, gaslighting, demonization, demagoguery, and outright lying. Using their collective wealth they have become masters of reprisal.”
“I am under no obligation whatsoever, legal, moral, or otherwise, to like jews and I do not. If that means I meet the jewish definition of an anti-semite, so be it.”
Canada has seen a steep spike in antisemitic attacks over the past two years, including a recent incident in Montreal where a Hasidic Jew was beaten in front on his children.
After Prime Minister Mark Carney condemned the incident, many, including former Israel’s ambassador the US Michael Oren, pointed out that Carney’s rhetoric and policies contribute to the increasing insecurity of Canada’s Jewish community through uncritical embrace of outrageous and easily disprovable allegations that Israel and its supporters were guilty of the worst crimes against humanity.