After two years of failure, Griffith finally found an answer. Using a delicate technique that he describes as “more witchcraft than science,” he began spraying his DNA samples with a thin coating of ...

DNA can sustain serious injuries called double strand breaks, in which both strands of the helix snap. These breaks are among ...

James D. Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped light the long fuse on a revolution in medicine, crimefighting, genealogy and ethics, has died. He was 97.The ...

James Watson, who co-discovered the double-helix structure of DNA in 1953, has died at age 97. Born in Chicago in 1928, Watson made the groundbreaking discovery at just 24 years old alongside British ...

Helix was founded in 2015 with help from Illumina, which makes the majority of DNA-sequencing machines in the US, but it wasn’t until earlier this year that the company rolled out its marketplace of ...

On a foggy Saturday morning in 1953, a tall, skinny 24-year-old man fiddled with shapes he had cut out of cardboard. They represented fragments of a DNA molecule, and young James Watson was trying to ...