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.

Chemistry

Catalysis by Transition Metals in Industrial Reactions

Quick fact

The iron catalyst used in the Haber-Bosch process for ammonia synthesis is responsible for producing over 150 million tons of nitrogen fertilizer annually, sustaining about half of the world's population.

Why this is interesting

Many everyday products, from plastic bottles to medicines, rely on a hidden helper: transition metal catalysts. How do these metals speed up reactions without being consumed?