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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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Canada Sees Record Surge in Antisemitic Incidents for Second Consecutive Year, New Report Finds
A member of law enforcement personnel works at the scene outside the US Consulate after shots were fired, in Toronto, Ontario, Canada, March 10, 2026. Picture taken with a mobile phone. Photo: REUTERS/Kyaw Soe Oo
Antisemitic incidents in Canada surged to a record high in 2025 for the second consecutive year, with 6,800 acts of anti-Jewish hate reported nationwide, underscoring a persistently hostile climate for Jews and Israelis across the country, according to newly released data.
On Monday, the Jewish advocacy group B’nai Brith Canada released its annual report on antisemitism documenting a 9.3 percent increase in hate crimes last year, surpassing the previous record total of 6,219 set in 2024.
With an average of 18.6 incidents per day, this latest figure represents a 145.6 percent increase from 2022, before the Hamas-led invasion of and massacre across southern Israel on Oct. 7, 2023.
B’nai Brith Canada CEO Simon Wolle described the findings as a “national crisis,” warning that antisemitism has become increasingly normalized within Canadian society and calling on authorities to confront this rising hatred with stronger, sustained action.
“Our review of the past year’s antisemitic incidents must be understood as a wake-up call,” Wolle said in a statement. “Hate and extremism are a threat to Canadian democracy and civil society, not only to the Jewish community.”
According to the latest data, the report found that antisemitism has “metastasized” across all aspects of Canadian life, with the vast majority — 92 percent — of recorded incidents occurring in digital spaces, including 6,248 cases of online harassment.
Among the recorded cases, there were also 10 incidents of violence, 299 cases of vandalism, and 243 incidents of real-world harassment.
Online platforms have also seen a rise in Holocaust denial, with artificial intelligence being used to fabricate and distort historical narratives.
While geopolitical tensions in the Middle East have contributed to the surge, the report warns that antisemitism has moved beyond the “radical fringes,” pointing to troubling trends on university campuses and in public schools, where Jewish students and faculty increasingly report feeling vulnerable.
The trend appears to be continuing into 2026, with several high-profile attacks — including gunfire directed at three synagogues in Toronto last month, alongside vandalism targeting businesses and physical assaults — signaling an ongoing escalation of violence.
Richard Robertson, director of research and advocacy at B’nai Brith Canada, said many who describe themselves as “anti-Zionists” are in fact reviving long-standing tropes used to dehumanize Jewish people, warning that such narratives are increasingly being normalized in mainstream discourse.
“The fact of the matter is that when it becomes acceptable, and even popular, to demonize Zionists, Jewish communities suffer,” Robertson said in a statement.
This latest report came after Canada’s Senate last week released a separate assessment offering a comprehensive roadmap to counter rising Jew-hatred, calling for expanded law enforcement resources to investigate hate crimes, strengthened Holocaust education, and the implementation of digital literacy programs for youth.
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Smith College to Hold Talks With Students for Justice in Palestine Following Unauthorized Encampment
The “People’s University” encampment, established by Students for Justice in Palestine, on the campus of Smith College in April 2024. Photo: Screenshot
Smith College in Northampton, Massachusetts has granted Students for Justice in Palestine (SJP) a meeting with high-level officials in exchange for the group’s ending an unauthorized encampment established on campus to protest the board of trustees’ decision to reject a proposal inspired by the boycott, divestment, and sanctions (BDS) movement against Israel.
On April 18, SJP commandeered the Chapin Lawn and renamed it “The People’s University.” Armed with a litany of demands calling for “restructuring” Smith’s governance of its endowment, transferring power over the institution from administrators to faculty and students, and a “required course on race” informed by the divisive critical race theory discipline, the students initially vowed to dwell in the encampment indefinitely.
Over seven days, SJP hosted a series of anti-Israel themed events on “Palestinian resistance,” “Indigenous resistance,” and “organizing.” On other days, the group filled time with “listening sessions” and even provided dinner, suggesting that the encampment received financial support sufficient to feed dozens of college students. However, the mounting presence of public safety officers around the encampment site and little indication that the demonstration held the drawing power of encampments of previous academic years prompted SJP to consider settling for less than it wanted.
Additionally, the college had notified the group of being in violation of campus policies on peaceful assembly and threatened SJP with disciplinary sanctions, which the group described as “fear tactics.” Tamra Bates, director of student engagement, personally told the students they would be punished as “individuals” and, the group added, public safety officers addressed “at least one student” by their “full name.” After three days, paranoia took hold of the organizers, and they issued a prohibition on photography “at any time … especially of people’s faces.”
SJP ultimately agreed to enter negotiations with the college over email, a process which concluded with Smith College agreeing to hold a meeting with the group and college trustees “before the end of the semester.” The students decamped on Saturday.
Smith College has not responded to The Algemeiner‘s inquiry regarding the substance of the deal.
As previously reported, Smith College became one of the latest higher education institutions to see a class between anti-Zionists and administrators over institutional ties to Israel as college trustees neared a vote on what SJP titled the “ethical investment” proposal. Brimming with falsehoods, the document accused Israel of the crime of “femi-genocide,” which SJP described as “sexual and reproductive violence” and mass murder perpetrated against Palestinian women and girls. The enterprise continues a pattern of depicting Israel, the most progressive country in the Middle East, as a foe of left-wing causes and an enemy of liberalism.
Additionally, the proposal called on Smith to withdraw investments in armaments manufacturers while arguing that divestment from Israel is a prelude to divesting from fossil fuels, a subtle but common tactic in which far-left groups place Jews and Zionists at the center of an array of alleged conflicts and social maladies.
“Militarism and the use of explosive weaponry has a devastating impact on our climate: military carbon emissions from the ongoing occupation and genocide of Palestinians exceeds that of several countries combined,” the proposal said. “We face interconnected human rights crises at home and abroad that jeopardize our immigrant and international students, faculty, staff, and community members. Broader patterns of forced displacement are inseparable from climate change, and are fueled by a longer history of neoliberalization, securitization, and colonization.”
Citing fiduciary concerns, virtually all colleges asked to adopt BDS have rejected it.
In March 2025, Bowdoin College in Brunswick, Maine did so when its Board of Trustees voted to accept the counsel of a committee that recommended maintaining investment practices which safeguard the institution’s financial health and educational mission. In a report authored by the college’s Ad Hoc Committee on Investments and Responsibility, it said, “Interventions in the management of the endowment that are rooted in moral or political considerations should be exceedingly rare and restricted to those cases where there is near-universal consensus among Bowdoin’s community of stakeholders.”
Boston University rejected divestment the previous month, with its president, Melissa Gilliam, saying, “The endowment is no longer the vehicle for political debate; nevertheless, I will continue to seek ways that members of our community can engage with each other on political issues of our day including the conflict in the Middle East.”
Adopting divestment proposals dictated by anti-Zionist groups is a recipe for squandering tens of billions of dollars in endowment returns, according to a report published in September 2024 by the JLens investment network, an arm of the Anti-Defamation League (ADL).
Titled “The Impact of Israel Divestment on Equity Portfolios: Forecasting BDS’s Financial Toll on University Endowments,” the report said BDS would incinerate $33.21 billion of future returns for the 100 largest university endowments over the next 10 years, with Harvard University losing $2.5 billion and the University of Texas losing $2.2 billion. Other schools would forfeit over $1 billion in growth, including the University of Pennsylvania, Stanford University, and Princeton University. For others, such as the University of Michigan and Dartmouth College, the damages would total in the hundreds of millions.
Follow Dion J. Pierre @DionJPierre.
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Jewish Groups Blast Mamdani for Vetoing Bill to Limit Protests Near Schools
New York City Mayor Zohran Mamdani holds a press conference at the New York City Office of Emergency Management, as a major winter storm spreads across a large swath of the United States, in Brooklyn, New York City, US, Jan. 25, 2026. Photo: REUTERS/Bing Guan
Major Jewish organizations are sharply criticizing New York City Mayor Zohran Mamdani after he vetoed a bill aimed at limiting protests near schools, condemning the mayor for what they argue is a failure to protect Jewish students at a time of rising antisemitism.
The legislation, which passed the City Council with bipartisan support, would have created buffer zones around educational institutions to prevent obstruction, intimidation, and disruption during demonstrations. Supporters said the measure was a direct response to recent protests outside Jewish schools and community spaces that have left students feeling unsafe.
In statements following the veto, several Jewish advocacy groups said the mayor’s decision sends the wrong message amid a surge in antisemitic incidents across the city. They warned that without additional safeguards, Jewish students could remain vulnerable to harassment and disruption near their schools.
A group of leading Jewish organizations subsequently released a statement condemning the veto, saying they were “deeply disappointed” with the decision.
“This legislation represented a crucial step toward ensuring that every school and community institution can be better protected,” read the statement from UJA-Federation of New York, ADL New York/New Jersey, AJC New York, Conference of Presidents, JCRC-NY, New York Board of Rabbis, Orthodox Union, The Rabbinical Assembly, StandWithUs, Teach NYS, and the Union for Reform Judaism.
City Council Speaker Julie Menin condemned Mamdani’s veto.
“Ensuring students can enter and exit their schools without fear of harassment or intimidation should not be controversial,” Menin said.
New York City Councilmember Eric Dinowitz similarly criticized Mamdani, saying in a statement that the mayor had undercut his campaign promise to ensure the safety of Jewish New Yorkers.
“The mayor promised to keep New Yorkers safe and increase police transparency,” Dinowitz said. “By vetoing this bill, he is breaking yet another campaign promise.”
Jews for Racial and Economic Justice, a far-left and fringe anti-Zionist group, released a statement framing Mamdani’s veto as a victory for free speech rights.
The group wrote that Mamdani “further demonstrated his commitment to protecting New Yorkers’ First Amendment rights, and his refusal to endorse what is quite simply bad policy.”
“The ‘buffer zone’ bills are not about keeping New Yorkers safe. They are about silencing our voices,” the organization continued. “That they do so under the auspices of combating antisemitism doesn’t just add insult to injury; it actively endangers Jews. At best, these bills change little. At worst, they divide and silence New Yorkers and contribute to the broader political climate targeting protestors.”
Mamdani defended his decision, arguing that the bill’s language was overly broad and could infringe on constitutionally protected protest rights. He said the definition of educational institutions could extend beyond K-12 schools to include universities, museums, and other public-facing institutions, potentially restricting a wide range of demonstrations unrelated to antisemitism.
“As the bill is written, everywhere from universities to museums to teaching hospitals could face restrictions,” Mamdani said. “This could impact workers protesting ICE [US Immigration and Customs Enforcement], or college students demanding their school divest from fossil fuels, or demonstrating in support of Palestinian rights.”
The mayor also pointed to existing laws that already prohibit harassment, threats, and obstruction, suggesting the proposed measure was unnecessary and legally vulnerable.
Still, critics say those protections are insufficient in the current climate. They argue that recent demonstrations, particularly those tied to tensions over the Israel-Hamas war, have at times crossed into intimidation, and that clearer boundaries are needed to ensure student safety.
The backlash has put Mamdani at odds with some Democratic lawmakers and community leaders who had supported the bill. While he allowed a separate measure strengthening protections around houses of worship to become law, opponents say excluding schools from similar safeguards leaves a critical gap.
Skeptics also claim that the veto undercuts Mamdani’s previous vow to protect the local Jewish community amid a surge in antisemitic hate crimes in the Big Apple.
Mamdani, a far-left democratic socialist and anti-Zionist, is an avid supporter of boycotting all Israeli-tied entities who has been widely accused of promoting antisemitic rhetoric. He has repeatedly accused Israel of “apartheid” and “genocide”; refused to recognize the country’s right to exist as a Jewish state; and refused to explicitly condemn the phrase “globalize the intifada,” which has been associated with calls for violence against Jews and Israelis worldwide.
Leading members of the Jewish community in New York have expressed alarm about Mamdani’s victory, fearing what may come in a city already experiencing a surge in antisemitic hate crimes.
The City Council could attempt to override the veto, though it would need to secure additional votes to reach a two-thirds majority.
The dispute highlights a broader national debate over how to respond to rising antisemitism while preserving First Amendment protections, as protests tied to global conflicts continue to unfold across the United States. For many Jewish leaders, however, the issue in New York is immediate and personal, and they say the mayor’s decision falls short of the moment.