Most of the Harmful Mutations in People Arose in the Past 5,000 to 10,000 Years
Spectrum of human genetic diversity today is vastly different from only 200 to 400 generations ago
Two More Polio Workers Gunned Down in Pakistan on Wednesday
The drive to rid the nation of Pakistan of polio has come to a virtual halt as World Health officials suspend the drive after a series of lethal shootings of polio workers.
President Obama Picked as Time's Person of the Year for Second Time
Time has picked its "Person of the Year." This year's person is once again President Obama.
Study of Pipestone Artifacts Overturns a Century-Old Assumption
CHAMPAIGN, lll. — In the early 1900s, an archaeologist, William Mills, dug up a treasure-trove of carved stone pipes that had been buried almost 2,000 years earlier. Mills was the first to dig the Native American site, called Tremper Mound, in southern Ohio.