Some survivors of cardiac arrest report detailed memories during clinical death.

The discovery of insulin earned a Nobel Prize in 1923.

Fact #1207 · Science

The Asch conformity experiment revealed how group pressure influences decisions.

Fact #1466 · Science

Rats have demonstrated empathy in laboratory studies.

Fact #1308 · Science

In 1996, Dolly the sheep became the first cloned mammal from an adult cell.

Fact #1019 · Science

Nothing can travel faster than light in a vacuum.

Fact #1732 · Science

Volcanic lava can reach extremely high temperatures.

Fact #824 · Science

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

Fact #1594 · Science

Lightning can heat air hotter than the surface of the Sun.

Fact #1807 · Science