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.

Mathematics

Maths Patterns

Quick fact

The Fibonacci sequence, a famous pattern where each number is the sum of the two preceding ones, appears in sunflower seed spirals, pinecone scales, and even in the branching of trees.

Why this is interesting

Have you ever noticed how the same shapes and sequences appear in seashells, pinecones, and galaxies? What if the universe is built from simple mathematical patterns?