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.

Biology

The Biomechanics of High-Speed Locomotion in Cheetahs

Quick fact

A cheetah can accelerate from 0 to 100 km/h in just three seconds, faster than most supercars, but can only sustain this sprint for about 30 seconds before overheating.

Why this is interesting

The cheetah is the fastest land animal, but how does its body turn raw muscle power into explosive speed?