The Venus flytrap can count — it needs to feel two touches within 20 seconds before it snaps shut.

The Boston Molasses Flood of 1919 sent a wave of molasses through Boston streets.

Sharks have existed longer than trees.

Bioluminescent forests — trees glowing in the dark — have been filmed in Brazil using extremely sensitive cameras.

A single bolt of lightning contains enough energy to toast 100,000 slices of bread.

Glacier retreat is causing 'peak water' — rivers fed by glaciers will eventually have less water as glaciers disappear.

Truffles grow only in symbiosis with specific tree roots — they cannot be cultivated reliably, keeping them expensive.

Hurricanes gain strength from warm ocean water.

Ball lightning is a poorly understood phenomenon — glowing spheres that float through walls have been documented by thousands of witnesses.