In 1869, Swiss scientist Friedrich Miescher isolated a mysterious substance from cell nuclei—an overlooked finding that would ...
Most of us wandered through high school biology class, mostly worried about passing the next exam or trying to avoid dissecting a frog. We stared at diagrams of squiggly lines and letters without ...
Genetic research does not always produce tidy answers. Sometimes it reveals traces that raise more questions than they settle ...
In the central Sahara, where sand now buries ancient lakes, scientists have pulled genetic material from 7,000-year-old ...
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 ...