By Christine Hsu | Sep 25, 2012 01:54 PM EDT
A new variant of the swine flu virus that caused a 2009 pandemic has been detected in Canada.
By Christine Hsu | Sep 17, 2012 03:59 PM EDT
Sharks may actually be quite compassionate. A Kiribati fisherman who had been stranded on a wooden boat in the Pacific Ocean with his brother-in-law for nearly four months claims that he had been saved by a friendly shark.