September 25, 2012 Korean researchers have found that eunuchs who worked for kings in ancient royal courts lived longer, on average, than other males who were in the inner circle. The provocative findings fit with other work that has shown an inverse link between longevity and reproduction: the greater the fertility, the shorter the life span.
September 20, 2012 The nonprofit in charge of distributing organs wants to revamp the system for distributing kidneys for the first time in 25 years. But some transplant specialists and bioethicists fear the changes could end up discriminating against some patients.
September 17, 2012 Some of the biggest human migrations coincided with major changes in climate, according to a new analysis. Researchers say early humans set out in search of climates where more food was available. And some populations stayed put in certain locations because barriers like glaciers blocked their progress.
September 16, 2012 Scientists and officials from Gibraltar are backing an idea to construct a Neanderthal-themed park.
September 14, 2012 From stinky, crushed bugs to fresh citrus aromas, cilantro's flavor profile is a contentious issue. But is our opinion of the herb hard-wired in our genes, or can we learn to enjoy it? Scientists say maybe it's both.
September 13, 2012 It sounds like a straightforward question: When did we become human? But as commentator and anthropologist Barbara J. King suggests, the answers are multiple and entangled. An African archaeological site dated to 100,000 years ago holds some clues.