Random Fact
Learn something true and surprising, one fact at a time.
The heat of a chilli is concentrated mainly in the pale inner membranes that hold the seeds, not in the seeds themselves.
More about this fact
- Source
- New Mexico State University Chile Pepper Institute
About Random Fact
Random Fact serves one fact at a time from a curated list of surprising-but-true facts about space, nature, animals, history, science, language, food and the human body. Every fact names a reputable source so you can check it.
We favour well-established facts over viral trivia; common myths are deliberately left out. Filter by topic when you want facts about one subject.
Ideas
- Trivia warm-up: read one aloud and let people guess whether it's true.
- Classroom starter: one fact a day, then look up the source together.
How it works
The list holds 413 facts. Every pick uses a cryptographically secure random number generator — your browser's, which the operating system keeps seeded with physical noise from your device's hardware — so there are no patterns and no favourites.
It works like a shuffled deck: you won't see the same fact twice until you've seen them all in this visit. To keep pages tiny, the list is split into small, randomly mixed batches that load only as you need them.
Without JavaScript the button still works: our edge servers make the pick instead, using Cloudflare's secure random number generator, whose entropy famously includes LavaRand — a wall of lava lamps.
Source: Random Wonder editorial compilation; every fact was individually web-verified on 2026-09-29 against the reputable institution named in its source field. Last reviewed 2026-09-29.