Sleep deprivation after 24 hours produces cognitive impairment equivalent to a blood alcohol level of 0.10%.

The identification of vitamins advanced nutritional science.

Fact #1229 · Science

Ants do not have lungs and breathe through small openings in their bodies.

Fact #351 · Science

In 1938, Otto Hahn's work led to the discovery of nuclear fission.

Fact #1015 · Science

Archaeopteryx is considered a transitional fossil between dinosaurs and birds.

Fact #624 · Science

Dark matter is believed to make up most of the universe’s mass but has not been directly observed.

Fact #1594 · Science

Lightning is hotter than the Sun.

Fact #1698 · Science

Volcanic eruptions can release ash clouds that disrupt air travel.

Fact #811 · Science

The hottest temperature ever reliably recorded on Earth exceeded 130 degrees Fahrenheit.

Fact #910 · Science