montana Montana man pleads guilty in plot to create giant clone hybrid sheep for captive hunting Mark Frauenfelder
animals Scientists have cloned the first endangered species in North America: a very cute ferret David Pescovitz
DNA tests Woman shocked when her DNA test reveals biological father isn't her father, but her parents' fertility doctor Carla Sinclair
History Misleading on Marriage: how gay marriage opponents twist history to suit their agenda Lisa L. Spangenberg