Canadian dire wolf fossil formally identified

A toothy grinned monster was lurking in the basement collection of a museum in Canada: The fossilized jaw of a beast that once roamed the bluffs along the South Saskatchewan River, competing with saber-toothed cats (Smilodon) ...

Research team captures social dynamics of 'pee-shy' mice

Urine scent marks are the original social media, allowing animals to advertise their location, status and identity. Now Cornell research is shining a new light—via thermal imaging of mice—on how this behavior changes ...

page 7 from 40