The trouble started when the Federal Bureau of Investigation attorney made a personal appeal to Bennett Greenspan. Mr. Greenspan, president of FamilyTreeDNA, was used to fielding requests from genealogists,
The eruption devastated local Maya settlements and caused crop failures around the world. The ices of Greenland and Antarctica bear the fingerprints of a monster: a gigantic volcanic eruption in 539 or
When Lalita Manrai went to see her doctor for treatment of kidney disease, she noticed that some of the blood test results had different "normal" ranges for African Americans compared with everybody else.
An exotic plant has produced male and female cones outdoors in Britain for what is believed to be the first time in 60m years. Botanists say the event is a sign of global heating. Two cycads (Cycas revoluta),
First it was human embryos. Now scientists are trying to develop another way to modify human DNA that can be passed on to future generations, NPR has learned. Reproductive biologists at Weill Cornell in