A teaspoon of neutron star material would weigh about 6 billion tons on Earth.

The door-in-the-face technique uses large requests to gain smaller agreements.

Fact #1502 · Science

The discovery of DNA’s structure occurred in 1953.

Fact #1199 · Science

The use of antibiotics reduced deaths from bacterial infections.

Fact #1220 · Science

The earliest dinosaurs were relatively small.

Fact #731 · Science

The Ames room illusion distorts perceived size and distance.

Fact #1490 · Science

The MRI scanner improved internal medical imaging.

Fact #1587 · Science

The Cavendish experiment measured the density of the Earth using lead spheres.

Fact #994 · Science

Time moves slower in gravity.

Fact #1721 · Science