Examining a psychological experiment that Ted Kaczynski (aka the Unabomber) underwent during his teenage years. Also: a look at Russian scientists who protected their work from the Nazis during World War II; leaded-gasoline poisonings.

Pavlovian experiments are performed on orphans; red rain that appears to contain biological cells falls in India; a glow-in-the-dark paint used during World War I contains a deadly ingredient.