The deepest lake in the world, Baikal, contains more water than all five US Great Lakes combined.

Apples belong to the rose family, along with pears, plums, cherries, and peaches.

Fact #3605 · Nature

The magnetic north pole moves — it has shifted hundreds of miles since it was first recorded in 1831.

Fact #3408 · Nature

Some clouds weigh millions of tons.

Fact #1715 · Nature

Bioluminescence is common among deep-sea organisms.

Fact #1418 · Nature

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

Fact #1868 · Nature

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

Fact #1898 · Nature

The sea turtle’s streamlined shell aids in efficient swimming.

Fact #903 · Nature

Hydrothermal vents can reach temperatures hotter than boiling water at the surface.

Fact #1389 · Nature