Fiji is in the grips of the fastest growing HIV outbreak in the world, with half of those infected contracting the virus from sharing needles De Agostini via Getty The South Pacific island nation of ...
What's the best way to get a statistically reliable sample of people who are hard to identify, such as illegal-drug users in large cities, itinerant jazz musicians, aging Manhattan artists and ...
A cave in Oregon has just handed archaeologists something extraordinary: the oldest known pieces of sewn clothing ever found. Stitched together from animal hide roughly 12,000 years ago — at the tail ...