Pavlov's investigations into dog digestion lead to phone addiction; a failed quest to find a safer refrigerant creates Teflon; a damaged delivery crate is instrumental in the invention of dynamite.

The failed experiment and the world's greatest crime-fighting tool; a clumsily dressed cut leads to the invention of plastics; how chance conversation and sausage poison changed the face of Hollywood.

Clumsy gesticulation throws a sample onto a stove, accidentally inventing vulcanized rubber; grabbing the wrong resistor leads to the pacemaker.

Fumes from a broken thermometer cause the invention of photography; Radar parts and a melting snack bar lead to the microwave.

A dirty laboratory and a vacation lead to the discovery of the first real weapon against bacteria: penicillin; a scientist's determination to test the wrong solution makes Kevlar.

A Swiss chemist's attempt to make a lung drug results in LSD; the son of enslaved parents tries to reverse the fortunes of sharecroppers and inadvertently gives rise to PB&J.