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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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At California Universities, Students Rally to Support Terrorists and Criticize Victims
University of California, Berkeley students on March 11, 2025. Photo: Reuters via Reuters Connect
Universities are supposed to expose students to difficult perspectives, not shield them from uncomfortable ones. But on many campuses, Jewish and Israeli voices are increasingly treated not as viewpoints to engage with, but as problems to manage or condemn.
Few recent incidents captured that shift more clearly than the reaction to a former Israeli hostage speaking at the University of California, Los Angeles (UCLA).
On April 14, UCLA Hillel hosted former Israeli hostage Omer Shem Tov to speak about his experience being held captive in Gaza following the October 7 attacks.
For most universities, hosting a survivor of mass kidnapping and terrorist violence would not seem particularly controversial. At UCLA, however, the event triggered a formal condemnation from the student government that quickly made national headlines.
Rather than merely protesting the event or disagreeing with its message, UCLA’s Undergraduate Students Association Council accused the visit of promoting “one-sided narratives that erase systems of oppression and occupation.” Student leaders further expressed “concern” that having Omer on campus would somehow “marginalize” and “silence” Palestinian and Arab students.
Furthermore, the letter, which reportedly passed with unanimous consent, was drafted on Yom HaShoah, the day set apart to mourn the Jewish victims of the Holocaust. More disturbingly, the student government intentionally excluded USAC General Representative Talia Davood from discussions surrounding the letter, despite her direct involvement in organizing the event with Hillel.
This reveals that the people condemning the event had little interest in actually hearing from anyone who disagreed with them — and proves they clearly did not act in good faith.
Davood was later questioned regarding the funding for the event, even though it did not come from the student government’s budget. So what exactly was the concern supposed to be, other than hostility toward the community that she, Hillel, and Omer represent?
The students’ reaction to Omer’s appearance exposed that rather than engage with voices they disagree with, these liberal students are trying to silence any voices or viewpoints they oppose.
When UCLA organizations such as Students for Justice in Palestine are freely permitted to organize activism on campus while Jewish cultural events are scrutinized and condemned, it reveals a deeply ideological and hostile climate at UCLA.
When pro-Palestinian activists on campus engage in violence, prevent Jewish students from attending class, and destroy university property, the administration drags its feet. But when Jewish students try to invite a speaker to campus, the administration refuses to support them.
For UCLA student Amit Cohen, the message communicated something much larger than disagreement over Middle East politics. “What I took from the letter is that Jewish students don’t belong on campus,” he said. “They condemned our story. They didn’t want to listen to it. It’s the most hypocritical thing I’ve ever read.”
But this hypocritical hostility extends beyond UCLA.
In the same month, UC Berkeley students hosted a convicted failed suicide bomber and justified the event using the same language about standing in solidarity with Palestinians. Of course, the event did not receive condemnation from Berkeley’s student government either.
The contrast would be laughable if it were not so revealing.
A moral inversion of reality is beginning to dominate parts of university culture. Certain forms of violence are granted moral context and institutional patience, while Israeli and Jewish suffering increasingly appears politically inconvenient to acknowledge too sympathetically.
When platforming a literal terrorist is framed as giving voice to the marginalized while a former hostage speaking about his captivity is considered beyond the pale, something is deeply wrong with the culture of those academic communities.
Students at UCLA have the power to influence the culture of their campus. They should not only speak out against this letter, but actively refuse to participate in the atmosphere that these disappointing student leaders are helping to cultivate.
The good news is that Jewish students at UCLA remain undeterred. As Amit Cohen affirmed, “We’ve been keeping our heads up. The UCLA Jewish community is going to stay strong.”
Destiny Lugo is a third year International Relations and Journalism student at Oral Roberts University in Tulsa, Oklahoma. She is a fellow for the Committee for Accuracy in Middle East Reporting and Analysis (CAMERA). The views expressed are the opinion of the author, and don’t reflect those of CAMERA.
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How Israel Adds Economic Value and Technological Advancement to the United States
The lobby of Tel Aviv’s stock exchange. Photo: Wikimedia Commons.
In much of the public debate in the US, the relationship between Israel and the United States is often reduced to a simplistic and misleading story of unilateral American support. According to this view, Israel is portrayed as a dependent state sustained by American generosity.
Such a framing may be politically convenient for critics, but it fails to reflect the complexity and the mutual benefits of one of the most consequential alliances in modern geopolitics.
A more accurate reading shows a partnership that delivers strategic depth, military advantage, technological innovation, and economic gains for the United States, while reinforcing stability for allies around the world.
From a strategic standpoint, Israel functions as a critical anchor of stability for American interests in a region defined by volatility and shifting power struggles. It is one of the few consistent democratic partners the United States can rely on in an area where state collapse, militant movements, and authoritarian regimes often intersect. Israeli experience in counterterrorism and unconventional threats also contributes to this strategic value.
The economic dimension of this relationship is equally significant and often misunderstood. American assistance to Israel, frequently cited as evidence of imbalance, is in practice deeply integrated into the United States domestic economy. A substantial portion of defense related funding is actually a windfall for American defense contractors, supporting skilled employment across multiple states. This includes engineering, manufacturing, research, and logistics sectors that sustain high quality jobs and reinforce the American industrial base.
Beyond defense production, the technological ecosystem known as Silicon Wadi has become an important extension of global innovation networks. Major American technology companies maintain significant research and development operations in Israel, not out of symbolism but out of necessity.
Israeli engineers and entrepreneurs have played central roles in advances in cybersecurity, semiconductor development, artificial intelligence applications, and medical technology. These contributions are embedded in everyday American life, from secure banking systems to consumer electronics and enterprise infrastructure. Thousands of companies founded or co-founded by Israelis operate in the United States, contributing to job creation, tax revenues, and technological competitiveness.
Every American uses products and technologies that were developed in Israel, by Israelis.
The impact of Israeli innovation extends well beyond the United States as well. Agricultural technologies pioneered in Israel, particularly in water management and irrigation efficiency, have been deployed in countries facing severe food security challenges. India has incorporated such systems to improve agricultural yields and resource efficiency across large farming regions. Across Africa and Asia, desalination and water reuse technologies developed in Israel are helping communities adapt to climate-related scarcity.
These examples illustrate a broader reality. Israel functions as a hub of applied innovation, often developing solutions under conditions of constraint that are later adapted globally. This dynamic produces a multiplier effect that benefits not only the United States but also a wide range of international partners.
At a time when global politics is increasingly defined by technological competition, asymmetric warfare, and resource insecurity, the value of this partnership becomes even more apparent. The United States and Israel form a cooperative model that enhances both national security and economic resilience.
The suggestion that Israel represents a burden on the United States does not withstand close examination. It overlooks the strategic advantages, the economic integration, and the technological interdependence that define the relationship. Rather than a one sided arrangement, this alliance operates as a mutually reinforcing system that strengthens both nations and extends benefits to allies across the democratic world.
The partnership between Israel and the United States is not merely a matter of foreign policy tradition or diplomatic preference. It is a strategic asset that advances shared interests in security, innovation, and global stability. In an era of increasing uncertainty, such alliances are not optional. They are essential.
Sabine Sterk is the CEO of Time To Stand Up For Israel
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How the Jewish People Can Unite: A Lesson From Yavne and the Mishnah
Image of the first complete Mishnah. Photo: The British Library.
On May 13, at a national conference in Jerusalem dedicated to repairing Israeli society and building a shared civic future, Israel’s President, Isaac Herzog, warned that division had become the country’s most urgent internal threat.
I was surprised to learn recently that Jewish unity was elusive even in the dire circumstances of the 1943 Warsaw Ghetto Uprising, the largest Jewish revolt against Nazi Germany during World War II — when a few hundred poorly armed Jewish fighters held off a much larger and far better equipped German army for almost a month. (The uprising ended 83 years ago, on May 19.)
During the uprising, there were two Jewish rebel forces: the ZOB (members of left wing groups, such as HaShomer HaTzair and the Bund), and a parallel organization, the ZZW (made up of youth from the political right — Betar and the Revisionists). While the two organizations cooperated to some extent and fought the Germans in parallel, they were never a unified force. Of course, it didn’t really matter. The German army was far too powerful for a few hundred inadequately armed insurgents.
Obviously the current day State of Israel — and its 78 year history — proves that Jewish cooperation does happen. Another example that comes to my mind is the Jewish experience nearly 2,000 years ago at Yavne, a town on the coastal plain of the Holy Land. That was when Rabbi Yohanan ben Zakai ensured Jewish continuity after the destruction of Jerusalem and the Second Temple in 70 CE, by establishing a Jewish academy at Yavne and reconstituting the Sanhedrin.
Jewish society during the lead up to the First Roman-Jewish war was a sectarian society dominated by two groups — the Pharisees, the group responsible for the establishment of the synagogue as a focus of Jewish life outside the Temple, and the Sadducees, the priestly caste that administered the Temple.
Both groups shared the same written scriptures and many traditions. But they differed in that the Pharisees believed in resurrection after death and in the authority of the Oral Law, as well as the Torah. The Sadducees did not.
One American scholar, Shaye J. D. Cohen, describes how the rabbis who gathered in Yavne ended Jewish sectarianism and created a society that tolerated and even encouraged vigorous debate. The result was the abandonment of sectarian labels such as Pharisees and Sadducees, and the writing of the Mishnah.
In all likelihood, most of the rabbis at Yavne were Pharisees, and the centerpiece of Sadducee life, the Second Temple, was gone. However, there is no indication that the rabbis of Yavne were motivated by Pharisaic triumphalism. The goal was not exclusivity, but rather elasticity. Cohen notes that the Mishnah is the “first work of Jewish antiquity which ascribes conflicting legal opinions to named individuals who, in spite of their disagreements, belong to the same fraternity. This mutual tolerance is the enduring legacy of Yavneh.”
A year before he passed away, the late Rabbi Jonathan Sacks published what he titled Seven Principles for Maintaining Jewish Peoplehood. The list includes points such as the need to keep talking, to listen to one another, and to respect one another. But most important of all, never seek victory. I think this is what the rabbis at Yavne understood very well. Rabbi Sacks’ message to the diverse factions that make up Israel’s political and social fabric would be, “Do not think in terms of victory or defeat. Think in terms of the good of the Jewish people.”
Jacob Sivak, a Fellow of the Royal Society of Canada, is a retired professor, University of Waterloo.