Human genomic DNA is wrapped around core histone proteins to form nucleosomes, the fundamental units of chromatin. During ...

Scientists have traced the development of a mouse embryo from its first two cells to the formation of organs, using a ...

If you could peer inside a cell's nucleus, you would find DNA tightly packed into a remarkably small space. But that arrangement presents a puzzle: DNA molecules carry the same negative electrical ...

For more than 200 years, one question about the nation's third president has lingered: Did Thomas Jefferson father children ...

Opening a Bible that once belonged to Thomas Jefferson, staff at the Smithsonian National Museum of American History in 2011 discovered a reddish-blond hair pressed between the pages. That hair, ...

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Two new studies from Johns Hopkins University are providing scientists with an unprecedented, detailed view of how human cells repair one of the most dangerous forms of genetic damage: a break that ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The treatments that save a child's life may leave behind a biological ...

My family has rescued many dogs from local shelters and humane societies, and I have always delighted in learning their breed makeup through DNA testing. Most at-home dog DNA tests begin with a cheek ...

Trump takes a 'monster' dose of this common medication. Here's what doctors say. Christa Pike is conscious and speaking after she survived Tennessee’s execution attempt, her attorneys say Oprah-backed ...

Authorities identified the man responsible for the 1995 killing of Celestina Perez through advances in DNA testing, closing the 31-year-old cold case Perez was 24 and the mother of four when she was ...

For 31 years, the family of Celestina Perez lived without knowing who killed the 24-year-old mother of four. Now, thanks to advances in DNA technology, investigators say they finally have an answer.