Time Machine
Safety first, on the surgeon's table
Joseph Lister's use of an antiseptic spray dramatically reduced deaths during surgeries.
Cloudy with a chance of radiation
Poor weather in Paris sparked the discovery of a new property of matter.
X marks the spot
In 1930, a farm boy discovered what was formerly our solar system's ninth planet.
Voices without wires
An eccentric American farmer was one of the earliest pioneers of wireless communication.
A change of heart
In 1967, a flamboyant South African physician made medical history when he performed the first human heart transplant.
