The Wave, a sandstone rock formation in Arizona, displays layers of geological history dating back 190 million years.

The sandbox tree (Hura crepitans) explodes when ripe, flinging seeds up to 45 meters at over 70 km/h.

Lightning can heat air hotter than the surface of the Sun.

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

Lahar — volcanic mudflow — can travel faster than a person can run and extends the danger zone far beyond the eruption.

Volcanic lightning is caused by static electricity from ash particles colliding during eruption.

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

Storm surges are often responsible for hurricane-related flooding.

Tahini, made from sesame seeds, contains more calcium per tablespoon than a glass of milk.