A googol is 10^100 — a 1 followed by 100 zeros. A googolplex is 10^googol.

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

Fact #1807 · Science

In 1924, a scientist attempted to transmit sound to plants to study their response.

Fact #993 · Science

The Earth's atmosphere is composed mostly of nitrogen and oxygen.

Fact #80 · Science

Volcanic eruptions can release ash clouds that disrupt air travel.

Fact #811 · Science

The Earth's tilt is responsible for seasonal climate patterns.

Fact #222 · Science

The human brain operates on about 20 watts of power.

Fact #1795 · Science

The discovery of insulin earned a Nobel Prize in 1923.

Fact #1207 · Science

Fossilized pollen helps scientists understand ancient ecosystems.

Fact #722 · Science