Checked before publishing
Submit a fact
Know something surprising that is actually true? Send it with a source. We check every submission, and credit you if it goes on the site.
Checked before publishing
Submit a fact
Send us a surprising fact and where you found it. We check every fact against its source before it goes on the site.
What makes a great fact
- Surprising, but true
- Fits in one or two sentences
- Backed by a reliable source: a museum, university, space agency, encyclopedia or a well-known newspaper
We will not publish
- Facts without a source
- Popular myths (they go in Fact or fiction?)
- Anything about private people