The Sahara Desert was once green and lush with vegetation, rivers, and lakes about 6,000 years ago.

There are trees alive today that were already thousands of years old when the pyramids were built.

Fact #2337 · Nature

A sea turtle's gender is influenced by incubation temperature.

Fact #379 · Nature

The total weight of all ants on Earth is roughly equal to the total weight of all humans.

Fact #3490 · Nature

Some fish can generate electric fields.

Fact #658 · Nature

Avocados are technically berries — and they evolved to be eaten by giant ground sloths, which are now extinct.

Fact #3416 · Nature

Lightning strikes Earth about 100 times every second.

Fact #2445 · Nature

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

Fact #1868 · Nature

The Earth's surface is constantly reshaped by natural forces.

Fact #224 · Nature