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Time Machine

Safety first, on the surgeon's table

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

Cloudy with a chance of radiation

Poor weather in Paris sparked the discovery of a new property of matter.
X marks the spot

X marks the spot

In 1930, a farm boy discovered what was formerly our solar system's ninth planet.
Voices without wires

Voices without wires

An eccentric American farmer was one of the earliest pioneers of wireless communication.
A change of heart

A change of heart

In 1967, a flamboyant South African physician made medical history when he performed the first human heart transplant.
Seeing through the skin, with X-rays

Seeing through the skin, with X-rays

The Nobel Prize-winning discovery that took the world by storm, even as its discoverer renounced the fame that followed.
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