Pistol shrimps produce a sound louder than a gunshot — over 200 decibels, briefly.

Humans tend to remember unfinished tasks better than completed ones.

Fact #961 · General

The city of Jericho is one of the oldest known walled cities.

Fact #1667 · General

There are deeper mysteries.

Fact #2322 · General

The woolly mammoth lived during the last Ice Age.

Fact #622 · General

The introduction of birth control pills transformed reproductive health.

Fact #1223 · General

The United States Senate and House of Representatives form Congress.

Fact #1136 · General

The Hawthorne effect suggests behavior changes when observed.

Fact #1483 · General

Some crabs can live both on land and in water.

Fact #473 · General