A cesium atom in an atomic clock beats over nine billion times a second.
43
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The smell of freshly cut grass is actually a plant distress call.
31
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Pumice is the only rock that floats on water.
14