By Andrew M. Seaman | Nov 17, 2012 02:58 PM EST
A growing and aging population, along with increased access to health insurance, will create the need for 52,000 more primary care doctors within the U.S. by the year 2025.
By Makini Brice | Oct 10, 2012 06:55 PM EDT
There are currently about 7 billion people living on the planet as of last year, and it does not appear that there will be any fewer of us in the foreseeable future.
By Christine Hsu | Sep 21, 2012 12:28 PM EDT
Early humans were able to move from Africa after a single genetic mutation allowed them to become vegetarians, scientists claim.