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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 post A German town built a granary atop its Jewish cemetery. Now the bones are yielding insights about Ashkenazi DNA. appeared first on Jewish Telegraphic Agency.
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It’s time to talk about Purim’s unsettling message about conversion
Purim is meant to be loud: a holiday for drinking, dressing up, yelling and retelling a story of miraculous survival.
Which means it’s easy to miss a brief but significant verse near the end of the Book of Esther — one that deserves to be lingered over:
“And many of the people of the land professed to be Jews, for the fear of the Jews had fallen upon them.”
That line doesn’t lend itself to celebration. It does not describe people drawn to Judaism by teaching or conviction. Instead, it chronicles a far more troubling choice: people becoming Jews because they are afraid of Jews.
Whether the Book of Esther records events that literally occurred is beside the point. What matters is that Jews read this line aloud every year, carrying its language forward across generations. For a tradition that often insists Judaism does not seek converts and rejects religious coercion, this verse preserves an unsettling possibility: that joining the Jewish people can be driven by fear as much as conviction.
By the end of the narrative, Jews wield power, and the dread that once haunted them shifts outward.
Yes, some read the verse as referring to political alignment rather than religious change. Others treat Esther as satire, its excesses not meant for emulation. Still others point to the absence of God in the book, and dismiss the line as non-theological.
Even with those readings, the line still does something difficult. It places an unresolved moral question inside a festival we otherwise frame as joyful: How does holding power change the face of Judaism?
When conversion was possible — or required
The common claim that Judaism has always discouraged conversion is historically inaccurate. Jewish attitudes toward converts have shifted with political conditions, not because theology changed, but because power dynamics did.
The truth is that for much of Jewish history, conversion was dangerous. After the destruction of the Temple in 70 C.E. and the failure of later revolts against Rome, much of Jewish life developed under sustained imperial pressure. Welcoming people raised outside the community became, practically, risky.
This is why the familiar line “Judaism doesn’t seek converts” is more of a survival posture than an eternal principle. After all, the Hebrew Bible repeatedly reminds readers that Israel’s calling was never meant to be entirely inward. A “mixed multitude” leaves Egypt. Gerim, resident outsiders, are repeatedly considered in biblical law. Isaiah imagines God’s house as a house of prayer for all peoples.
In the late Hellenistic and early Roman periods, Jewish communities were widely visible across the diaspora. An inscription from Aphrodisias in Asia Minor in modern-day Turkey lists not only Jews but also “proselytes” and “God-fearers” among synagogue donors, suggesting gentiles were sometimes attached to synagogue life. Similar “God-fearer” inscriptions survive from other cities in Roman Asia Minor, where gentiles were known to attend synagogues, admire Jewish ethics, and sometimes decide to join the Jewish people.
Even polemical texts preserve traces of this world. Matthew 23:15 mocks those who “travel across sea and land” to make a proselyte — meaning to convert to Judaism. Whatever one makes of the polemic, the line treats the basic fact as unremarkable: that conversion to Judaism was a regular part of the religious landscape in the first-century Mediterranean.
Other ancient sources, including the first-century historian Josephus, describe moments when Jewish rulers used conversion as a tool of rule. One of the starkest examples comes from the Hasmoneans, the priestly family behind the Maccabean revolt who ruled Judea from roughly 140 to 37 B.C.E. Under John Hyrcanus, who reigned from 134 to 104 B.C.E., the kingdom of Judea expanded through conquest. Hyrcanus governed as many ancient rulers did, through coercion.
Among the territories absorbed was Idumea, homeland of the Edomites. According to Josephus, Hyrcanus offered the Idumeans a choice: adopt Jewish law or leave the land. They chose conversion.
This is not an obscure episode. It sits in the shadow of Hanukkah, one of Judaism’s most widely celebrated holidays.
Centuries later, Jewish sovereignty appeared again in the Himyarite kingdom of southern Arabia, where a ruling elite adopted Judaism in the fourth century CE. Eventually, persecution of non-Jews followed. The kingdom’s final ruler, Dhu Nuwas, who reigned from 522 to 530 C.E., oppressed local Christian populations, provoking retaliation from the neighboring Kingdom of Aksum. After more than a century, the Jewish kingdom fell.
Not a powerless minority faith
The reigns of Hyrcanus and Nuwas complicate the familiar story of Judaism as only a powerless minority faith, always deterring conversion. They suggest that Jewish sovereignty could carry the same temptations that haunt sovereignty everywhere, including the temptation to force compliance on those of different beliefs.
The Book of Esther verse about conversion offers a warning about that dynamic, and an imperative to learn from it. The lesson is not to condemn Judaism. It is to refuse a simplified story in which Judaism’s posture toward conversion has been static and untouched by the realities of power.
Across many faiths, when political power disappears, priorities often shift. Teachings turn inward. When power reappears, however briefly, older questions have a habit of returning. Who belongs? Who chooses? And under what conditions are those choices made?
Purim does not allow us to keep those questions at a safe distance. We are meant to hear this troubling verse amid the laughter and noise of our celebrations, not as an endorsement of coercion, but as a warning.
Esther’s story insists that two things can be true: Jews can be vulnerable, and Jews can hold power. And if we can be afraid, it warns, we can also inspire fear, with consequences not only for the societies in which we live, but also for the kind of Jewish life we make possible.
The post It’s time to talk about Purim’s unsettling message about conversion appeared first on The Forward.
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US Presses Syria to Shift From Chinese Telecom Systems
Syrian President Ahmed al-Sharaa attends the Ministry of Awqaf conference titled “Unity of Islamic Discourse” at the Conference Palace in Damascus, Syria, Feb. 16, 2026. Photo: REUTERS/Khalil Ashawi
The United States has warned Syria against relying on Chinese technology in its telecommunications sector, arguing it conflicts with US interests and threatens US national security, according to three sources familiar with the matter.
The message was conveyed during an unreported meeting between a US State Department team and Syrian Communications Minister Abdulsalam Haykal in San Francisco on Tuesday.
Washington has been coordinating closely with Damascus since 2024, when Syria‘s now President Ahmed al-Sharaa ousted longtime leader Bashar al-Assad, who had a strategic partnership with China.
Syria is exploring the possibility of procuring Chinese technology to support its telecommunications towers and the infrastructure of local internet service providers, according to a Syrian businessman involved in the procurement talks.
“The US side asked for clarity on the ministry’s plans regarding Chinese telecom equipment,” said another source briefed on the talks.
But Syrian officials said infrastructure development projects were time-critical and that Damascus was seeking greater vendor diversity, the source added.
SYRIAN OFFICIALS CITE US EXPORT CONTROLS AS TELECOMS BARRIER
Syria is open to partnering with US firms but the matter was urgent and export controls and “over-compliance” remained an issue, according to person familiar with the meeting in San Francisco.
A US diplomat familiar with the discussions told Reuters that the US State Department “clearly urged Syrians to use American technology or technology from allied countries in the telecoms sector.”
It was unclear whether the United States pledged financial or logistical support to Syria to do so.
Responding to Reuters questions, a US State Department spokesperson said: “We urge countries to prioritize national security and privacy over lower-priced equipment and services in all critical infrastructure procurement. If it seems too good to be true, it probably is.”
The spokesperson added that Chinese intelligence and security services “can legally compel Chinese citizens and companies to share sensitive data or grant unauthorized access to their customers’ systems” and promises by Chinese companies to protect customers’ privacy were “entirely inconsistent with China’s own laws and well-established practices.”
China has repeatedly rejected allegations of it using technology for spying purposes.
The Syrian Ministry of telecommunications told Reuters any decisions related to equipment and infrastructure are made “in accordance with national technical and security standards, ensuring data protection and service continuity.”
The ministry said it is also prioritizing the diversification of partnerships and technology sources to serve the national interest.
Syria‘s telecom infrastructure has relied heavily on Chinese technology due to US sanctions imposed on successive Assad governments over the civil war that grew from a crackdown on anti-government protests in 2011.
Huawei technology accounts for more than 50% of the infrastructure of Syriatel and MTN, the country’s only telecom operators, according to a senior source at one of the companies and documents reviewed by Reuters. Huawei did not immediately respond to a request for comment.
Syria is seeking to develop its private telecommunications sector, devastated by 14 years of war, by attracting foreign investment.
In early February, Saudi Arabia’s largest telecom operator, STC, announced it would invest $800 million to “strengthen telecommunications infrastructure and connect Syria regionally and internationally through a fiber-optic network extending over 4,500 kilometers.”
The ministry of telecommunications says that US restrictions “hinder the availability of many American technologies and services in the Syrian market,” emphasizing that it welcomes expanding cooperation with US companies when these restrictions are lifted.
Syria has inadequate telecommunications infrastructure, with network coverage weak outside city centers and connection speeds in many areas barely exceeding a few kilobits per second.
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Israeli Cybersecurity Startup Wiz Hosts $3 Million ABBA-Themed Purim Party Ahead of Google Acquisition
In this photo illustration, a Google logo is seen displayed on a smartphone with a WIZ logo in the background. Photo: Avishek Das / SOPA Images via Reuters Connect
The Israeli-founded cybersecurity startup Wiz was set to host a Purim party on Thursday night in Tel Aviv inspired by the famous pop group ABBA at the cost of $3.2 million, according to Israeli media reports,
Wiz hosts a Purim celebration every year, but this year’s gathering at Pavilion 2 at Expo Tel Aviv might be its last as an independent company, since it is on the verge of completing a $32 billion all-cash deal with Google. The cloud security platform headquartered in New York announced in March of last year that it signed a deal to be acquired by Google, and Wiz will join Google Cloud after closing. The agreement marks Google’s biggest deal ever, and approvals have already been secured in the United States and the European Union. The deal is expected to close this year, pending regulatory approvals in Australia, South Africa, Turkey, and Israel.
More than 20 Israeli artists were expected to perform a cover of an ABBA classic at Wiz’s Purim party this year, CTech reported. Sources familiar with the event told the Israeli publication that the lineup of performers would include Osher Cohen, Eden Golan, Sarit Hadad, Odeya, Ivri Lider, Eden Ben Zaken, Dana International, Shiri Maimon, Ninet, Harel Skaat, and Harel Moyal. The celebration is reportedly the most expensive party in Israel’s high-tech sector.
Wiz’s Purim celebration last year paid tribute to Madonna and featured a lineup of some of Israel’s biggest singers – including Rita, Omer Adam, Noa Kirel, Static, and Noga Erez — as well as more than 100 dancers and performers.