We’ve all heard of white noise, that static sound the TV makes when poltergeists arrive. There are other colored noise too that mimic natural sounds like rainfall and ocean waves. What they do for us is just now being studied.

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