The original version of this story appeared in Quanta Magazine. Once upon a time, long ago, the world was encased in ice. That’s the tale told by sedimentary rock in the tropics, many geologists ...

Cold water shock can happen when your body is suddenly immersed in water below 15 C, says B.C. Emergency Health Services paramedic Brian Twaites.

With its tropical climate, Indonesia really doesn't get cold, and the period we Americans think of as winter is merely the wet season for the island nation. Yet despite her homeland's climate, ...