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


NASA's Bennu samples contain life's building blocks, including amino acids and DNA/RNA nucleobases

Samples contain all five nucleobases of DNA and RNA, supporting theory that asteroids may have seeded Earth with life's essential ingredients.

 NASA's Bennu asteroid samples reveal building blocks of life, including amino acids and all DNA and RNA nucleobases.

Ancient DNA from Austrian graves shows East Asian ancestry

Genetic differences between Mödling and Leobersdorf not explained by social status or site function.

 Avar period ceramics.

OMGene.AI: Using DNA and AI to identify our strengths

By taking a DNA sample and connecting what is known about the genome to a series of characteristics, a report is produced that notifies the person of their positive attributes.

A hand holding a globe. (Illustrative).

DNA analysis reveals Iron Age society in Britain was built around women

Researchers have uncovered genetic evidence suggesting that ancient Celtic societies in Iron Age Britain were matrilineal and matrilocal, with women holding status and influence.

 DNA analysis reveals Iron Age society in Britain was built with around women.

Trinity College Dublin scientists reveal how Denisovan genes shape modern humans

Scientists have identified at least three events where genes from distinct Denisovan populations mixed with human DNA, conferring significant adaptive benefits.

 Scientists have identified at least three events where genes from distinct Denisovan populations mixed with human DNA, conferring significant adaptive benefits. Illustration:

Nobel laureates warn of 'unprecedented' danger. Say artificial 'Mirror life' should not be created

Mirror bacteria are theoretical life forms constructed from mirror-image biological molecules that are the opposite of those found in nature.

 Scientists warning of a ‘Second Tree of Life’. Illustration.

DNA suggests this culture contacted Indigenous Americans centuries before European explorers

Although 3,700 kilometers of ocean separate Rapa Nui from South America, the genetic evidence suggests pre-European contact between the two populations.

 3,700 kilometers of ocean separate Rapa Nui from South America.

126 years ago, two lions hunted a bridge crew, revealing a gruesome diet

An analysis of the lions' jaws revealed they likely suffered from painful dental injuries while alive, making it difficult for them to hunt and eat large prey.

 A Maneless Tsavo Lion moves across the savanna at Tsavo National Park, Kenya, Africa.

Foodstuff found on Chinese mummies confirmed as oldest cheese in the world

3,600-years-ago, people in China were making kefir cheese, mixing milk from goats and cows.

 Home made cheese.

Georgian woman finds out mystery birth father was actually her Facebook friend - BBC

Museridze's search began in 2016 when the mother who raised her passed away. While clearing out her house, Museridze found her birth certificate with a false birth date.

 Tamuna Museridze with her father Gurgen Khorava.