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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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Germany’s Halt to Arms Exports to Israel Is Response to Gaza Expansion Plans, Chancellor Says
German Chancellor Friedrich Merz attends a cabinet meeting at the Chancellery in Berlin, Germany, Aug. 6, 2025. Photo: REUTERS/Liesa Johannssen
Germany’s decision to curb arms exports to Israel comes in response to Israel’s plan to expand its operations in the Gaza Strip, Chancellor Friedrich Merz said on Sunday in an interview with public broadcaster ARD.
“We cannot deliver weapons into a conflict that is now being pursued exclusively by military means,” Merz said. “We want to help diplomatically, and we are doing so.”
The worsening humanitarian crisis in Gaza and Israel’s plans to expand military control over the enclave have pushed Germany to take this historically fraught step.
The chancellor said in the interview that the expansion of Israel’s operations in Gaza could claim hundreds of thousands of civilian lives and would require the evacuation of the entire city of Gaza.
“Where are these people supposed to go?” Merz said. “We can’t do that, we won’t do that, and I will not do that.”
Nevertheless, the principles of Germany’s Israel policy remain unchanged, the chancellor said.
“Germany has stood firmly by Israel’s side for 80 years. That will not change,” Merz said.
Germany is Israel’s second-biggest weapons supplier after the US and has long been one of its staunchest supporters, principally because of its historical guilt for the Nazi Holocaust – a policy known as the “Staatsraison.”
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Newsom Calls Trump’s $1 Billion UCLA Settlement Offer Extortion, Says California Won’t Bow
California Governor Gavin Newsom speaks at a press conference, accompanied by members of the Texas Democratic legislators, at the governor’s mansion in Sacramento, California, U.S., August 8, 2025. Photo: REUTERS/Carlos Barria
California Governor Gavin Newsom said on Saturday that a $1 billion settlement offer by President Donald Trump’s administration for UCLA amounted to political extortion to which the state will not bow.
The University of California says it is reviewing a $1 billion settlement offer by the Trump administration for UCLA after the government froze hundreds of millions of dollars in funding over pro-Palestinian protests.
UCLA, which is part of the University of California system, said this week the government froze $584 million in funding. Trump has threatened to cut federal funds for universities over anti-Israel student protests.
“Donald Trump has weaponized the DOJ (Department of Justice) to kneecap America’s #1 public university system — freezing medical & science funding until @UCLA pays his $1 billion ransom,” the office of Newsom, a Democrat, said in a post.
“California won’t bow to Trump’s disgusting political extortion,” it added.
“This isn’t about protecting Jewish students – it’s a billion-dollar political shakedown from the pay-to-play president.”
The government alleges universities, including UCLA, allowed antisemitism during the protests and in doing so violated Jewish and Israeli students’ civil rights. The White House had no immediate comment beyond the offer.
Experts have raised free speech and academic freedom concerns over the Republican president’s threats. The University of California says paying such a large settlement would “completely devastate” the institution.
Large demonstrations took place at UCLA last year. Last week, UCLA agreed to pay over $6 million to settle a lawsuit by some students and a professor who alleged antisemitism. It was also sued this year over a 2024 violent mob attack on pro-Palestinian protesters.
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Trump Nominates State Dept Spokeswoman Bruce as US Deputy Representative to UN
FILE PHOTO: U.S. State Department spokesperson Tammy Bruce speaks during her first press briefing at the State Department in Washington, D.C., U.S., March 6, 2025. Photo: REUTERS/Kevin Lamarque/File Photo
President Donald Trump said on Saturday he was nominating State Department spokesperson Tammy Bruce as the next US deputy representative to the United Nations.
Bruce has been the State Department spokesperson since Trump took office in January.
In a post on social media in which Trump announced her nomination, the president said she did a “fantastic job” as State Department spokesperson. Bruce will need to be confirmed for the role by the US Senate, where Trump’s Republican Party holds a majority.
During press briefings, she has defended the Trump administration’s foreign policy decisions ranging from an immigration crackdown and visa revocations to US responses to Russia’s war in Ukraine and Israel’s war in Gaza, including a widely condemned armed private aid operation in the Palestinian territory.
Bruce was previously a political contributor and commentator on Fox News for over 20 years.
She has also authored books like “Fear Itself: Exposing the Left’s Mind-Killing Agenda” that criticized liberals and left-leaning viewpoints.
In a post after Trump’s announcement, Bruce thanked him and suggested that the role was a “few weeks” away. Neither Trump nor Bruce mentioned an exact timeline in their online posts.
“Now I’m blessed that in the next few weeks my commitment to advancing America First leadership and values continues on the global stage in this new post,” Bruce wrote on X.
Trump has picked former White House national security adviser Mike Waltz to be his U.N. envoy. Waltz’s Senate confirmation for that role, wherein he will be Bruce’s boss, is still due.
Waltz was Trump’s national security adviser until he was ousted on May 1 after he was caught up in a March scandal involving a Signal chat among top Trump national security aides on military strikes in Yemen. Trump then nominated Waltz as his U.N. ambassador.