Random Fact Generator

Want to learn something surprising in ten seconds? This generator serves random facts from ten topics — space, animals, the human body, Earth and nature, history, science, food, language, technology and geography. Every fact was written for this page from well-established knowledge, and each one links to an encyclopedia article where you can read more and check the details. Use them for trivia nights, classroom warm-ups, social posts or simply to win your next dinner-table argument.

How to use this tool

1. Choose a topic, or keep “Any topic”.
2. Pick how many facts you want.
3. Press the button and read the facts.
4. Follow the link in the table to read more or check the details.

Formula

Facts are drawn without repeats: each appears in a set of n with probability n ÷ facts in the topic

The list holds about a hundred facts, chosen because they are well established, and phrased with care: “about” and “roughly” where a figure is rounded, and notes where scientists still debate (as with the Mpemba effect). Popular myths — the Great Wall seen from the Moon, Napoleon’s height — appear only to correct them.

Example

Picking Space might give: “A day on Venus — one turn on its axis, about 243 Earth days — is longer than its year of about 225 Earth days.” Venus also spins backwards compared with most planets, so the Sun would rise in the west there.