Myanmar, Liberia, and the United States of America. Those are the only three countries left in the world that don’t use the metric system. TED Ed's explores these imperial idiosyncrasies to to show how important it is to have one universal measurement system for the world. See more >>
Palaeoanthropologists have been fascinated by a gory question: were Neanderthals cannibals? New remains found in northern Europe add further evidence to the “yes” answer and why cannibalism was practised.