A Cool New Theory Explains Why Red Wine Is So Damned Good For You

The antioxidant resveratrol, which is found in red wine and other foods like nuts and soy, is known for its ability to decrease incidence of heart disease and other illnesses, leading some to call it the "elixir of youth." Researchers at the Scripps Research Institute now have an explanation for how it works. » 12/23/14 12:20pm 12/23/14 12:20pm

Can humanity survive a population of over 10 billion people?

By the end of this year, the human population is expected to reach seven billion people, just twelve years after we hit the six billion milestone. But how much more crowded is our planet going to get? Will we keep on expanding indefinitely, or are we approaching the upper limit? The current consensus is that we'll… » 2/20/11 1:20pm 2/20/11 1:20pm