The periodic table was independently conceived by Mendeleev and Lothar Meyer in the same year, 1869.

The Thirty Years’ War affected much of Central Europe.

Fact #1171 · Human Body

The eruption of Krakatoa in 1883 was heard thousands of miles away.

Fact #820 · Human Body

The gulper eel has a large mouth that allows it to swallow prey bigger than its body.

Fact #1386 · Human Body

Water covers more than 70% of Earth's surface.

Fact #86 · Human Body

The Sumerians developed one of the earliest writing systems.

Fact #599 · Human Body

Some animals can regenerate entire body parts.

Fact #1775 · Human Body

Cats can rotate their ears independently.

Fact #1336 · Human Body

The human body has over 600 muscles.

Fact #160 · Human Body