The lifetime odds of living to age 100 in developed countries are about 1 in 250.

Sound cannot travel through a vacuum.

Fact #136 · Science

The Milgram obedience study examined responses to authority.

Fact #1467 · Science

Volcanic lava can reach extremely high temperatures.

Fact #824 · Science

Earthquakes occur when tectonic plates shift along faults.

Fact #813 · Science

The Earth's inner core is primarily iron and nickel.

Fact #150 · Science

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

Fact #222 · Science

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

Fact #1594 · Science

The development of chemotherapy advanced cancer treatment.

Fact #1216 · Science