Granite contains small amounts of radioactive uranium and thorium — it naturally emits low levels of radiation.

The Fibonacci sequence appears throughout nature — in pinecones, sunflowers, and spiral galaxies.

Fact #3458 · Nature

The Arctic tern migrates farther than any other bird.

Fact #450 · Nature

Some clouds weigh millions of tons.

Fact #1715 · Nature

Mudslides can be triggered by heavy rainfall.

Fact #838 · Nature

Sharks are older than trees — they appeared about 450 million years ago.

Fact #3242 · Nature

A beaver builds dams to create ponds.

Fact #516 · Nature

Tardigrades can survive extreme radiation, freezing, and even space.

Fact #1738 · Nature

Blizzards are intense snowstorms with strong winds.

Fact #819 · Nature