Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Psychology

The Availability Heuristic and Risk Perception

Quick fact

In a classic study, participants overestimated the number of murders and underestimated deaths from stroke, simply because murders receive more media coverage—making them more 'available' in memory.

Why this is interesting

Have you ever been more afraid of a plane crash than a car crash, even though car crashes are far more common? Why do vivid and recent events seem more likely than they really are?