X marks the spot
In 1930, a farm boy discovered what was formerly our solar system's ninth planet.
Guillain-Barré syndrome: a nervous breakdown
What we know so far about the rare neurological disorder that has triggered a health alarm in parts of India.
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.
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.
