Dna

Tiny DNA tweak flips biological sex, researchers report

A study reports that a single nucleotide variant in the genome can make an XY individual develop as female and an XX individual develop as male.

Laboratory mice.
 World's oldest Neanderthal fingerprint found on 43,000-year-old pebble in Spain. Illustration.

Neanderthals who lived in Siberian cave millenia apart were distant relatives, study finds

 Greenland's ancient sled dogs reveal unique genetic lineage.

Ancient DNA shows people partnered with dogs long before agriculture arose

Four young Palestinian women in Israel making their way through mainstream Israeli society.

Exploring identity through art at Jerusalem's Museum on the Seam


A glimpse into the past: Researchers analyze Pompeii DNA - study

“The scientific data we provide do not always align with common assumptions,” said study co-author and professor David Reich.

 The archaeological site of the ancient Roman city of Pompeii is seen, 2020.

DNA analysis links medieval skeleton found in well to events in the Sverris Saga

The saga recounts that during a raid on Sverresborg Castle near Trondheim, attackers threw a dead man into the well to poison the main water source.

 Sverresborg. Image by Cato Edvardsen is licensed under CC BY-SA 3.0.

Pass the breadsticks: Ancient humans loved carbs, study finds

Ancient humans' craving for carbohydrates may have deeper roots than previously thought.

Bread

Scientists attempt to bring back to life extinct Tasmanian tiger

Also known as the Tasmanian wolf or thylacine, the Tasmanian tiger lived in Australia and became extinct when the last known tiger died in 1936 at Hobart Zoo. 

 A pair of Tasmanian tigers, also known as thylacines, are seen in captivity.

Cannabis and psychosis: Study shows use of high-potency cannabis leaves mark on DNA - study

Researchers found that regular use of high-potency cannabis, along with THC, can significantly alter DNA patterns.

 DNA.

Columbus was a Sephardi Jew from Western Europe, study finds

To solve the mystery, researchers conducted a 22-year investigation, led by forensic expert Miguel Lorente.

  statue of Christopher Columbus on Lackawanna County Courthouse Square in Scranton, Pennsylvania

23andMe agrees to $30M settlement over data breach that targeted Jewish and Chinese users

23andMe will pay $30M for a data breach targeting Ashkenazi Jews and Chinese customers, as a hacker named "Golem" leaked nearly 1M Jewish profiles, calling it "most valuable data."

 The genetic data testing company 23andMe was the target of a hack aimed at users with Ashkenazi Jewish ancestry.

Black Plague killed farmers thousands of years before 14th-century Europe - study

Researchers identified at least three plague outbreaks spanning six generations that they could trace in one of the studied families.

A plague doctor and his typical apparel during the 17th Century Outbreak.

Mohamed Hadid: Israeli Jews have no genetic connection to ancient Hebrews

Hadid said that Israeli Jews should show their ancestry for comparison to his.

Mohamed Hadid (R) and Shiva Safai pose during a photocall before the 2016 Victoria's Secret Fashion Show at the Grand Palais in Paris, France, November 30, 2016

Technion team discovers important adaptive strategy of the microbiome, impacting immune system

The study focused on species of the Bacteroidales order, some of the most abundant species in the human gut microbiome.

 Testicular organoids generated from mice pups and incubated in a dish for 21 days. Sertoli cells, which are the cells responsible for the formation of the tubules in the testicle, appear in red and germ cells, which will produce the sperm cells, appear in green. Germ cells always stay close proximi