The ocean produces about half of the world's oxygen — mostly from phytoplankton photosynthesis.

Some spiders spin silk stronger than steel by weight.

Fact #886 · Nature

Some trees can communicate with each other using underground fungal networks.

Fact #2172 · Nature

Certain plants have waxy leaves to reduce water loss.

Fact #902 · Nature

Sharks existed before trees.

Fact #1683 · Nature

Prehistoric reptiles dominated land ecosystems.

Fact #745 · Nature

Lightning can strike the same place more than once.

Fact #230 · Nature

The ozone layer helps protect Earth from harmful ultraviolet radiation.

Fact #52 · Nature

A jellyfish moves by pulsing its bell-shaped body.

Fact #506 · Nature