From a young age, Daniel Khosravinia tinkered and built numerous LEGO models, from knights to the Star Wars Death Star. This sparked his interest in how things are built, and when he learned about the ...
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 ...
The duplication begins with the two strands of DNA pulling apart like a zipper.Even among non-scientists, the double helix would become an instantly recognized symbol of science, showing up in such ...
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