As far as we know life evolved once in the universe – here on Earth in the form of life as we know it. Could life have originated in other conditions with different raw materials? If so, we may be sharing the planet with lifeforms we don’t recognize yet.

Short Stuff: Color Psychology
12:06

Helen Keller and Anne Sullivan: Miracle is Right
43:33

Selects: Operation Mincemeat: How A Corpse Fooled the Nazis
45:18