Dna

CODIS, the FBI's DNA database that could help solve Nancy Guthrie's disappearance case

CODIS is a national DNA database managed by the FBI that contains profiles from offenders and crime scenes, assisting in investigations.

A notice circulated by the Pima County Sheriff’s Office requests information on the disappearance of Nancy Guthrie, the 84-year-old mother of U.S. journalist and television host Savannah Guthrie, who went missing from her home in Tucson, Arizona , U.S. February 1, 2026.
A notice circulated by the Pima County Sheriff’s Office requests information on the disappearance of Nancy Guthrie, the 84-year-old mother of U.S. journalist and television host Savannah Guthrie, who went missing from her home in Tucson, Arizona , U.S. February 1, 2026.

FBI confirms DNA recovered from glove found near Nancy Guthrie's home

A notice circulated by the Pima County Sheriff’s Office requests information on the disappearance of Nancy Guthrie, the 84-year-old mother of U.S. journalist and television host Savannah Guthrie, who went missing from her home in Tucson, Arizona , U.S. February 1, 2026.

Arizona police, FBI continue search for Nancy Guthrie as investigation enters second week

Dr. Sivan Mercer MD

Dr. Sivan Mercer reveals: From salmon DNA to biostimulators: The hottest trends in aesthetics


Groundbreaking study paves the way for gene therapy in cancer and brain diseases - study

“Our findings show where RNA editing takes place and which factors regulate it, allowing us to understand how RNA editing can be used to repair damaged genes," researchers explained.

Faculty of Materials Science and Engineering at Technion University.

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