Nanoparticles that speed blood clotting may someday save lives

Whether severe trauma occurs on the battlefield or the highway, saving lives often comes down to stopping the bleeding as quickly as possible. Many methods for controlling external bleeding exist, but at this point, only ...

China clones castrated quake hero pig

A heroic pig who survived more than a month buried under rubble after the 2008 earthquake in China's Sichuan province has been successfully cloned, according to a report Sunday.