Lake Baikal in Russia contains about 20% of the world's unfrozen surface freshwater.

Certain fish can generate electric fields.

Fact #491 · Nature

Some spiders spin silk stronger than steel by weight.

Fact #886 · Nature

Some volcanoes erupt underwater.

Fact #852 · Nature

Tyrannosaurus rex had teeth that could grow over 12 inches long.

Fact #619 · Nature

Lightning strikes Earth millions of times each day.

Fact #158 · Nature

Water is the only natural substance that commonly exists as a solid, liquid, and gas on Earth.

Fact #175 · Nature

The oldest known living tree sprouted before the Egyptian pyramids were built.

Fact #2229 · Nature

Apples float in water because 25% of their volume is air.

Fact #3415 · Nature