Years later, none of it — not 84-year-old Eleonora Knoernschild’s bloody body on the shag carpet, not the torn bedspread twisted around her neck, not the junk heaped on her corpse so abundantly that ...

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 ...

For James Watson, DNA was everything — not just his life's work, but the secret of life itself. Over his long and storied career, Watson arguably did more than any other scientist to transform a ...

Add Yahoo as a preferred source to see more of our stories on Google. Presumed portrait of Leonardo da Vinci (1452-1519), by an Unknown Artist. The painting hangs in the Uffizi Gallery in Florence, ...

It's not just the dazzling colours and slick moves of Australia's dancing spiders that make them special. There are more than 100 different species of the peacock spider, whereas most animals have ...

Skoltech researchers and their colleagues from Ludwig Maximilian University of Munich, Germany, Nanjing University of China, and the National Institute for Materials Science of Japan have developed a ...

In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. It’s been more than 500 years since Leonardo da Vinci died. Yet, in those intervening ...

A complete breakdown of the abbreviation, including its role and function within the body.

Can DNA typing uniquely identify the source of a sample? Because any two human genomes differ at about 3 million sites, no two persons (barring identical twins) have the same DNA sequence. Unique ...