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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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Suspicious Explosive Package Targeting Jewish Leader Heightens Antisemitism Fears in Argentina
People hold up pictures of the victims of the AMIA Jewish center bombing during a ceremony to mark the 22nd anniversary of the 1994 attack in Buenos Aires, Argentina, July 18, 2016. Photo: REUTERS/Enrique Marcarian
Argentina’s authorities are investigating yet another suspected antisemitic incident after a suspicious package addressed to a local branch president of the country’s main Jewish umbrella organization was intercepted, further heightening alarms among community leaders amid a recent surge in attacks.
On Wednesday, the Pilares del Rosario medical center received a package containing explosive material addressed to Gabriel Dobkin, who serves as both the institution’s director and president of the local branch of the Delegation of Argentine Israelite Associations (DAIA) in Rosario, a major city in the central-eastern Santa Fe province.
According to local media, clinic staff received a package containing a pack of Philip Morris cigarettes wrapped in transparent tape, which the facility’s manager said felt unusually heavy and immediately aroused suspicion.
Because the package had arrived unrequested via a delivery service, the clinic’s manager quickly raised concerns and called in the police explosives unit.
Police bomb squad dogs later detected explosive material inside the cigarette pack. According to the ongoing investigation, the package also contained a strange substance, though authorities have not yet released further details.
After digging a pit in the facility’s backyard, police experts carried out a controlled detonation of the material.
Even though the package did not include an automatic triggering mechanism, it reportedly contained a number of coins intended to serve as shrapnel in the event of an explosion.
Local law enforcement is treating the incident as a targeted antisemitic attack, describing it as either an attempted act of violence or, at the very least, an act of intimidation.
As the investigation continues, detectives are still analyzing the substance found inside the package but have not yet determined its composition or origin. Surveillance footage from the area is being reviewed, and staff from the clinic are also expected to be interviewed.
DAIA Rosario strongly condemned the attack, describing it as a troubling escalation of threats against Jewish institutions, reflecting a wider atmosphere of hostility toward the community.
“This is an expression of hatred that not only targets the Jewish community, but also undermines the fundamental values of coexistence, respect, and democracy. Such acts must be condemned unequivocally and confronted with resolve. Simply denouncing them is not enough — decisive action is essential,” the organization said in a statement.
“Impunity cannot be an option. Every act of antisemitism that goes unpunished sends a message of tolerance toward hatred,” it continued. “Every firm response from the state is a clear signal that society will not back down. To prevent these acts from recurring, determination, action, and justice are essential.”
This latest incident comes amid heightened security concerns within Argentina’s Jewish community after unknown individuals threw a homemade firebomb at the Chabad-Lubavitch Jewish Community Center in La Plata, a city in southeastern Buenos Aires Province, last Sunday.
The Buenos Aires Security Ministry and Police Counterterrorism Division have opened an investigation into the incident, examining possible links to another attack last week that appears to share a similar modus operandi.
The Israelite Literary Center and Max Nordau Library in La Plata were also targeted last Thursday when unidentified individuals threw a homemade Molotov-type device at the building’s entrance.
Although the device failed to ignite, it shattered the building’s windows and caused some material damage. Fortunately, no fires broke out and no injuries were reported.
In response to these latest attacks, Jewish institutions across the country have strengthened preventive protocols and reinforced internal security and surveillance measures.
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US, Israel Cripple Iran’s Nuclear Weaponization Work, New Report Shows
Symbolic mock-ups of Iranian missiles are displayed on a street, amid the U.S.-Israeli conflict with Iran, in Tehran, Iran, March 22, 2026. Photo: Majid Asgaripour/WANA (West Asia News Agency) via REUTERS
More than two months into the war, Iran’s ability to develop nuclear weapons has suffered a major setback as US and Israeli strikes have ravaged critical facilities, crippled essential infrastructure, and killed personnel central to Tehran’s nuclear ambitions, according to a new analysis
On Friday, the Institute for Science and International Security (ISIS), a Washington, DC–based think tank, released a new assessment of the impact of Israeli and US strikes on Iran’s nuclear program, concluding that the attacks significantly damaged Tehran’s ability to advance nuclear weapons development, particularly by disrupting its weaponization activities.
A nuclear program generally begins with uranium enrichment, the process of producing material that can power civilian reactors or, at higher levels of purity, be used in a nuclear weapon. Much of Iran’s enrichment infrastructure was destroyed during last year’s 12-day war.
The second element is weaponization, which involves the design, testing, and production of the components needed to assemble a functioning nuclear device — a central focus of the more recent Israeli and US military campaign.
According to ISIS’s newly released report, at least six confirmed nuclear-related sites were destroyed so far, with three additional locations possibly connected to the program also struck, bringing the total number of targeted facilities linked to nuclear weapons development to between nine and 12.
Since the start of the war earlier this year, Israel and the United States have struck a wide range of military-industrial facilities involved in missile, drone, and conventional weapons production.
However, the report indicates that some previously undisclosed sites may also have had connections to Iran’s nuclear activities, potentially raising the true scale of the damage.
By analyzing satellite imagery, the report concludes that Iran’s ability to successfully complete a nuclear weapon has been significantly degraded, with the strikes greatly extending the timeline required to produce a bomb while sharply increasing the likelihood of technical failure.
Before the June 2025 war, intelligence assessments estimated Iran could likely produce a nuclear weapon in less than six months with a high probability of success.
Now, the regime’s chances of successfully completing the weaponization process are considered technically low even over a one- to two-year period, largely because the strikes destroyed not only facilities, but also critical equipment and personnel involved in the final stages of bomb development.
ISIS’s latest findings contradict earlier US intelligence assessments, which reportedly concluded that Iran’s nuclear timeline had not been significantly delayed, arguing that such data is inconsistent with extensive visible destruction across key nuclear sites.
The report also argues that there are no signs Iran has resumed uranium enrichment activities, as facilities repeatedly targeted by Israeli and American airstrikes remain heavily damaged with no detectable reconstruction efforts underway.
Despite extensive damage to the regime’s infrastructure, the report cautions that Iran’s nuclear threat has not been fully eliminated.
ISIS has identified tunnel complexes near Esfahan and Natanz in central Iran that were not directly targeted and are believed to contain most of Iran’s enriched uranium stockpile, including roughly 440 kilograms enriched to 60 percent — far above civilian requirements and much closer to weapons-grade material.
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ICC Prosecutor Karim Khan Sidesteps ‘Genocide’ Accusations Against Israel
International Criminal Court Prosecutor Karim Khan speaks during an interview with Reuters in The Hague, Netherlands, Feb. 12, 2024. Photo: REUTERS/Piroschka van de Wouw
Karim Khan, the embattled chief prosecutor of the International Criminal Court (ICC), has cast fresh doubt on accusations that Israel committed “genocide” in Gaza, arguing in a new interview that no legal conclusion has yet been reached in the ongoing legal battle.
In a lengthy interview with anti-Israel journalist Medhi Hasan this week, Khan refused to engage in the popularized rhetoric labeling Israel’s military campaign against Hamas terrorists in Gaza as genocidal, even as pressure mounts on the ICC by activists to pursue more sweeping charges against Israeli officials.
When asked directly whether Israel’s conduct amounted to genocide, Khan emphasized the need for sufficient evidence to level charges against Israeli officials and that prosecutors must follow evidence and legal standards rather than political narratives.
“So, you’re not ruling out that there could be a warrant in the future?” Hasan asked.
“Everything is a function of evidence,” Khan responded, arguing that accusing Israel of genocide for political purposes would be “reckless.”
“You’re saying in the past three years there hasn’t been evidence of genocide in Gaza?” Hasan asked, visibly flummoxed.
Khan lamented the “suffering” in Gaza but reaffirmed that the ICC could not proceed in making final judgements about the nature of Israel’s military operations in Gaza without sufficient evidence. He asserted that officials within the ICC are vigorously analyzing the case and that he cannot reveal more about the nature of the investigation.
“So, genocide is not off limits?” Hasan pressed.
“No crime is off limits if the evidence is there,” Khan responded.
Khan has come under fire for making his initial surprise demand for arrest warrants for Israeli Prime Minister Benjamin Netanyahu and his former defense minister, Yoav Gallant, on the same day in May 2024 that he suddenly canceled a long-planned visit to both Gaza and Israel to collect evidence of alleged war crimes. The last-second cancellation reportedly infuriated US and British leaders, as the trip would have offered Israeli leaders a first opportunity to present their position and outline any action they were taking to respond to the war crime allegations.
Nonetheless, Khan’s latest remarks are likely to reverberate through international legal and diplomatic circles, where the genocide accusation has become one of the most contentious aspects of the war between Israel and Hamas. Over the past two years, an array of humanitarian organizations and human rights experts have accused Israel of “genocide” in Gaza. These accusations have been controversial and widely contested, with critics alleging these groups and individuals lack sufficient evidence.
Khan’s comments come as the ICC faces intense scrutiny over its investigation into the conflict. In November, the ICC issued arrest warrants for Israeli Prime Minister Benjamin Netanyahu, his former defense minister, Yoav Gallant, and now-deceased Hamas terror leader Ibrahim al-Masri (better known as Mohammed Deif) for alleged war crimes and crimes against humanity in the Gaza conflict. The ICC said there were reasonable grounds to believe Netanyahu and Gallant were criminally responsible for starvation in Gaza and the persecution of Palestinians — charges vehemently denied by Israel, which has provided significant humanitarian aid into the war-torn enclave throughout the war.
US and Israeli officials issued blistering condemnations of the ICC move, decrying the court for drawing a moral equivalence between Israel’s democratically elected leaders and the heads of Hamas, the Palestinian terrorist group that launched the war in Gaza with its massacre across southern Israel on Oct. 7, 2023.
Israel says it has gone to unprecedented lengths to try and avoid civilian casualties, noting its efforts to evacuate areas before it targets them and to warn residents of impending military operations with leaflets, text messages, and other forms of communication.
Another challenge for Israel is Hamas’s widely recognized military strategy of embedding its terrorists within Gaza’s civilian population and commandeering civilian facilities like hospitals, schools, and mosques to run operations and direct attacks.
The ICC has no jurisdiction over Israel as it is not a signatory to the Rome Statute, which established the court. Other countries including the US have similarly not signed the ICC charter. However, the ICC has asserted jurisdiction by accepting “Palestine” as a signatory in 2015, despite no such state being recognized under international law.
Genocide is among the most difficult crimes to prove under international law because prosecutors must establish specific intent to destroy, in whole or in part, a national, ethnic, racial or religious group.
Hasan, one of the most prominent anti-Israel critics in media, has spent the past two years unleashing an unrelenting barrage of criticism against the Jewish state, repeatedly accusing the Israeli military of pursuing a “genocide” in Gaza.
In the interview, Khan also forcefully denied allegations of sexual misconduct that have engulfed his office in recent months, accusing critics of politicizing the claims amid the ICC’s high-profile investigations into Israel, Russia, and other global conflicts. He dismissed suggestions that his pursuit of Israeli leaders was intended to distract from the allegations against him, saying that he did not have evidence to substantiate the claim.
Khan further alleged that senior Western officials attempted to pressure the ICC over its investigation, including what he described as warnings from prominent American and British political figures about the geopolitical consequences of targeting Israeli officials.
The ICC’s investigation has placed the court at the center of an increasingly bitter international divide over the Gaza war. Khan’s comments won’t settle the debate, but the ICC prosecutor appeared to signal a more cautious legal approach than some of Israel’s fiercest critics have demanded.