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


Scientists discover RNA molecules from a mammoth that went extinct 40,000 years ago

The never-before-seen biological snapshot provides insight into the young mammoth's final moments, expanding our knowledge of creatures that went extinct tens of thousands of years ago.

People in protective suits examine a frozen woolly mammoth from Siberia named "Yuka" during a media preview at the Chiang Kai-shek Memorial Hall in Taipei November 6, 2013.

Oldest RNA recovered from 40,000-year-old woolly mammoth rewrites decay timeline

The RNA extracted from Yuka's muscle tissue is the oldest ever found, twice as old as the previous record from a 14,300-year-old wolf skin, challenging long-held assumptions about RNA's decay rate.

Mamooth.

Channel 4’s new DNA documentary exposes Hitler’s hidden hormonal disorder

Analysis links a PROK2 mutation to Kallmann syndrome, bolstering wartime claims that the dictator had only one testicle.

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Adolf Hitler may have had micropenis, likely had Kallman syndrome, DNA study finds.

Fabric cut from the sofa on which Hitler killed himself contained DNA, which was analyzed to reveal that Hitler likely had a genetic condition that disrupts normal sexual development.

circa 1933: German Dictator, Adolf Hitler addressing a rally in Germany.

Nobel laureate James D. Watson, DNA double helix co-discoverer, dies at 97

The American biologist whose name became synonymous with the discovery of DNA’s double-helical structure, died Thursday.

DNA (illustrative).

TAU researchers develop groundbreaking gene therapy to treat hearing, balance disabilities

“These findings highlight the potential of self-complementary AAVs to reduce dose requirements, minimize toxicity, and broaden clinical use of inner-ear therapies," said the head researcher.

RONI HAHN (left) and Prof. Karen Avraham.

6,300-year-old 'gum' yields DNA clues to Neolithic life

A University of Copenhagen team analysed thirty tar lumps from nine Alpine lake settlements, detecting male DNA on tool adhesives and female DNA on pottery repairs.

6,300-year-old 'gum' yields DNA clues to Neolithic life.

Ancient teeth reveal salmonella and louse-borne fever helped doom Napoleon’s 500,000-man force

Teeth from 13 Grande Armée soldiers in a Vilnius grave give first genetic proof that infections, with famine and cold, helped cause the loss of 300,000 men during Napoleon’s retreat from Russia.

Troops in battle. Illustration.

Death toll from Tennessee munitions blast lowered to 16, sheriff says

Sixteen people were killed in a massive explosion at a Tennessee explosives plant, as investigators work to determine the cause of the deadly blast.

Humphreys County Sheriff Chris Davis speaks to media at Accurate Energetic Systems on October 10, 2025 in McEwen, Tennessee.

Ancient lentils in the canary islands survived 2,000 years, DNA shows

Genetic analysis reveals indigenous cultivation practices and crop continuity dating back to the 3rd century CE.

Lentil plant grown at Fuerteventura.