The Apollo program employed 400,000 engineers, scientists, and technicians at its peak.

The Earth's oceans help regulate climate.

Fact #291 · Science

Magnetars have extremely powerful magnetic fields.

Fact #1612 · Science

The Ice Age saw fluctuating climate conditions.

Fact #732 · Science

The 1991 eruption of Mount Pinatubo affected global temperatures.

Fact #831 · Science

Earthquakes occur when tectonic plates shift along faults.

Fact #813 · Science

The electric eel generates electric shocks to stun prey.

Fact #890 · Science

The Pacific Ring of Fire contains many of the world's active volcanoes.

Fact #100 · Science

In 1966, a U.S. bomber accidentally dropped nuclear weapons over Spain.

Fact #801 · Science