The zero-point energy of the vacuum is real and measurable — the Casimir force between metal plates proves it.

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

Fact #910 · Science

The Earth's atmosphere scatters sunlight.

Fact #322 · Science

The largest volcano is on Mars.

Fact #1707 · Science

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

Fact #100 · Science

In 1983, a Soviet officer refused to report a false missile alert, potentially preventing nuclear war.

Fact #777 · Science

In 1919, the Boston Police Strike left the city without law enforcement for days.

Fact #792 · Science

Tardigrades can survive extreme radiation, freezing, and even space.

Fact #1802 · Science

Tardigrades can survive extreme radiation, freezing, and even space.

Fact #2079 · Science