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A German town built a granary atop its Jewish cemetery. Now the bones are yielding insights about Ashkenazi DNA.
BERLIN (JTA) – The city of Erfurt in central Germany is home to an impeccably restored medieval synagogue made possible because local Jews had been expelled long before the Nazis began their campaign to destroy Jewish sites.
Now, Erfurt’s long-hidden Jewish past is again offering new insights — this time about the genetic history of Ashkenazi Jews.
Human remains from a medieval Jewish cemetery in Erfurt have allowed what researchers say is the largest ancient Jewish DNA study to date. Conducted without disinterring any remains, in keeping with Jewish law, the study published Wednesday in the scientific journal Cell found that Erfurt’s medieval Jewish community was more genetically diverse than their modern-day cousins, and carried many of the same Jewish genetic diseases — such as Tay Sachs and cystic fibrosis — that affect Ashkenazi Jews today.
“There have been many previous DNA studies, but not of Jews,” said geneticist Shai Carmi, a professor at the Hebrew University of Jerusalem, whose search for study material led him to an archaeological dig at the Jewish cemetery in Erfurt. He and his collaborators were able to analyze DNA of 33 individuals who died between 1270 and 1400, using teeth they found there.
The study follows a similar analysis revealed in August by researchers in England, who studied the DNA from skeletons found at the bottom of a medieval well and concluded that the remains were likely of victims of an antisemitic massacre in 1190. Analysis of six individuals prior to their identification as Jewish revealed that Ashkenazi Jews developed a unique genetic variation centuries earlier than realized.
The Erfurt analysis also includes samples from before the epidemic of Black Death that was until recently understood to have created the genetic “bottleneck” that created the genetic markers common among Ashkenazi Jews today.
Erfurt’s Jewish settlement existed from the 11th to 15th century, with a brief gap following a 1349 massacre perpetrated after the Jews were falsely blamed for causing the bubonic plague. Surviving Jews returned there, but after all Jews were expelled once and for all in 1454, the city built a granary on top of the Jewish cemetery.
Karin Sczech participates in the excavation at the medieval Jewish cemetery of Erfurt. (Courtesy of TLDA Ronny Krause)
In 2013, the city approved the repurposing of the unused granary into a parking lot. Because it was an historic site, a rescue excavation was initiated, overseen for the State of Thuringia by German archaeologist Karin Sczech.
Meanwhile, Carmi had been looking for Jewish cemeteries anywhere in the world “where we could analyze remains already excavated,” he told JTA in a telephone interview from Jerusalem. “I consulted historians and eventually reached the archeologist in Erfurt.” Fortunately, he said, “they still hadn’t reburied the remains.”
He approached Sczech, who later became a co-author of the new study. In 2018, with a supportive judgment from Rabbi Ze’ev Litke — an Israeli expert on genetics and Jewish law — and permission from Erfurt’s then-rabbi, Benjamin Kochan, work began to extract and analyze DNA from detached teeth found in the graves. (About 500 Jews live in Erfurt today, most of them having migrated from the former Soviet Union since 1990.)
American geneticist David Reich picked up the teeth and brought them back to the department of human evolutionary biology at Harvard University in Cambridge, Massachusetts, where drilling and DNA extraction took place.
While the skeletons were reburied, the teeth are still stored at the research institutes where they have been analyzed, in case scientists need to retest to verify the result.
The project provides an ethical basis for studies of ancient Jewish DNA, Carmi said. “Of course we couldn’t just go to a cemetery and dig and take out skeletons; this would be prohibited,” he said, referring to Jewish law prohibiting the removal of bones from where someone was buried.
But Litke opined that the study could be done, because the bones already had been disturbed for an unrelated reason. “He recommended using teeth, as the analysis does almost no damage,” Carmi said.
There are many motivations to study Jewish DNA: One can find lost relatives going back a few generations, and answer questions about Jewish origin of partners intending to marry. But the goal of Carmi’s team was “to fill the gaps in our understanding of Ashkenazi Jewish early history.”
There are several non-destructive ways to obtain DNA from human remains, said Carmi, who also works as a consultant to an Israeli firm that helps clients trace their genetic roots.
“You can take an almost microscopic slice of bone and extract DNA in a solution, or put the entire bone in a solution and extract the DNA without drilling, without disturbing the dead. This opens the way to doing studies even without teeth,” he added.
His team found that the Erfurt community appeared to fit into two genetically distinct groups, descending either from Middle Eastern or European populations. This genetic variability no longer exists, Carmi said.
At the same time, Carmi said, the analysis found remarkable continuity in the local community, as well. “One third of the Erfurt individuals descended from one woman through their maternal lines,” he said, adding that evidence suggested that she lived between 1,000 and 2,000 years ago.
In a press statement, geneticist Reich of Harvard said the work “also provides a template for how a co-analysis of modern and ancient DNA data can shed light on the past. Studies like this hold great promise not only for understanding Jewish history, but also that of any population.”
The research team, with more than 30 scientists, included Hebrew University’s Shamam Waldman, a doctoral student in Carmi’s group, who performed most of the data analysis.
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The one Jewish value everyone should hold dear in the age of AI
As friends, relatives and even colleagues dive headlong into our AI future, I’ve been stuck nervously on the platform’s edge. I’m not a skeptic of technology by nature, but by experience. I’ve watched too many shiny new toys come along, promising to make society smarter or better connected, only to become superspreaders of confusion, alienation and disenfranchisement.
So when you tell me a machine can summarize any book, draw any picture or write any email, my first thought is going to be, What could possibly go wrong?
This, too, was the reaction of the Haredi rabbis who declared a communal fast over AI last month.
“If at the push of a button, I can get a hold of a d’var torah for my Shabbos meal from AI, to us, that’s a problem,” a Haredi leader told me at the time. “No, no — I want you to open the book and read it and come up with a question and come up with an answer. That’s part of what’s holy about learning Torah. It’s not just end result. It’s the process.”
Curious about their logic, I spent some time tracking down Lakewood’s gedolim to learn more. This was no straightforward task — I found it easier to get a hold of their wives than the great rabbis themselves. Even at dinner hour, these titans of Torah study were still in the beit midrash. But eventually I got through to three — thanks to my cousin Jeffrey, who knew a rav who knew a rav — and that was fortunate, because I came away with the Jewish skeleton key to our brave new world.
That key is the Jewish value of עֲמֵילוּת (ameilut), or toil. As far as Jewish values go, ameilut is an obscure one. It lacks the celebrity swagger of its better-known peers like chesed and tzedakah or the political power of tikkun olam. It was never associated with a biblical matriarch or carved into a golem’s forehead. Yet I believe it is just as crucial. Yes, toiling is a mitzvah. And in the age of AI, ameilut can be a human road map.
The word’s root appears a couple dozen times in the Hebrew Bible — unsurprisingly, it’s a recurring theme in Job — but its salience comes not from the Torah but from commentary on Leviticus 26:3, which establishes ameilut as a sacred endeavor. When God implores Israel to “walk with” the commandments, Rashi, an 11th century rabbi whose commentaries are considered authoritative, reinterpreted this to mean that God wants Jews to be ameilim b’torah — toiling in Torah study. He is reinterpreting God’s command that we walk and move forward to also mean that we should take time to stand still, turn over (and over) the same words to find new meaning and view getting stuck as a sign of progress.
For Haredim — who pronounce it ameilus — the notion that struggle can be its own reward underpins a life spent poring over sefarim in the beit midrash (and missing phone calls from the Jewish press). It follows that ChatGPT, which transforms knowledge from something developed to something consumed, is anathema to their approach. They’ve realized that making learning easy has actually made learning hard.
To be sure, the goals of the Haredi world are not exactly the same as mine. Those communities are famously insular, wary of the internet and especially cognizant of secular society’s pernicious influence. I’m basically the opposite: I love to mix it up (including with Haredi Jews) and am extremely online. A little narishkeit is good for the soul, as far as I can tell.
But I’ve found that ameilut-maxxing translates pretty well to non-religious life, too. It’s an imperative to embrace the challenge. As a notoriously limited chef, I’m now toiling in cookbooks; as a writer, I can cherish the blank page. Reframing the hard part as the good part, then, is a reminder that the toil is actually our divine right. Because ameilut is something AI can’t experience, replicate or understand. It is the very essence of what it means to be alive.
The post The one Jewish value everyone should hold dear in the age of AI appeared first on The Forward.
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Mistrial Declared in Case of Students Charged After Stanford Anti-Israel Protests
FILE PHOTO: A student attends an event at a protest encampment in support of Palestinians at Stanford University during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in Stanford, California U.S., April 26, 2024. Photo: REUTERS/Carlos Barria/File Photo
A judge declared a mistrial on Friday in a case of five current and former Stanford University students related to the 2024 pro-Palestinian protests when demonstrators barricaded themselves inside the school president’s office.
Twelve protesters were initially charged last year with felony vandalism, according to prosecutors who said at least one suspect entered the building by breaking a window. Police arrested 13 people on June 5, 2024, in relation to the incident and the university said the building underwent “extensive” damage.
The case was tried in Santa Clara County Superior Court against five defendants charged with felony vandalism and felony conspiracy to trespass. The rest previously accepted plea deals or diversion programs.
The jury was deadlocked. It voted nine to three to convict on the felony charge of vandalism and eight to four to convict on the felony charge to trespass. Jurors failed to reach a verdict after deliberations.
The charges were among the most serious against participants in the 2024 pro-Palestinian protest movement on US colleges in which demonstrators demanded an end to Israel’s war in Gaza and Washington’s support for its ally along with a divestment of funds by their universities from companies supporting Israel.
Prosecutors in the case said the defendants engaged in unlawful property destruction.
“This case is about a group of people who destroyed someone else’s property and caused hundreds of thousands of dollars in damage. That is against the law,” Santa Clara County District Attorney Jeff Rosen said in a statement, adding he sought a new trial.
Anthony Brass, a lawyer for one of the protesters, told the New York Times his side was not defending lawlessness but “the concept of transparency and ethical investment.”
“This is a win for these young people of conscience and a win for free speech,” Brass said, adding “humanitarian activism has no place in a criminal courtroom.”
Protesters had renamed the building “Dr. Adnan’s Office” after Adnan Al-Bursh, a Palestinian doctor who died in an Israeli prison after months of detention.
Over 3,000 were arrested during the 2024 US pro-Palestinian protest movement, according to media tallies. Some students faced suspension, expulsion and degree revocation.
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Exclusive: FM Gideon Sa’ar to Represent Israel at 1st Board of Peace Meeting in Washington on Thursday
Israeli Foreign Minister Gideon Sa’ar speaks next to High Representative for Foreign Affairs and Security Policy and Vice-President of the European Commission Kaja Kallas, and EU commissioner for the Mediterranean Dubravka Suica as they hold a press conference on the day of an EU-Israel Association Council with European Union foreign ministers in Brussels, Belgium, Feb. 24, 2025. Photo: REUTERS/Yves Herman
i24 News – Israel’s Foreign Minister Gideon Sa’ar will represent the country at the inaugural meeting of the Gaza Board of Peace in Washington on Thursday, i24NEWS learned on Saturday.
The arrangement was agreed upon following a request from Israel’s Prime Minister Benjamin Netanyahu, who will not be able to attend.
Netanyahu pushed his Washington visit forward by a week, meeting with US President Donald Trump this week to discuss the Iran situation.
A U.N. Security Council resolution, adopted in mid-November, authorized the Board of Peace and countries working with it to establish an international stabilization force in Gaza and build on the ceasefire agreed in October under a Trump plan.
Under Trump’s Gaza plan, the board was meant to supervise Gaza’s temporary governance. Trump thereafter said the board, with him as chair, would be expanded to tackle global conflicts.