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.

Philosophy

The Ethics of Risk and the Precautionary Principle

Quick fact

The precautionary principle is encoded in laws worldwide, including the 1992 Rio Declaration, which states that lack of full scientific certainty shall not be used as a reason to postpone cost-effective measures to prevent environmental degradation.

Why this is interesting

We often think we should wait for proof before acting, but what if waiting for proof could lead to a catastrophe we could have prevented?