In zero gravity, a candle's flame is round and blue.
16
A cubic yard of air weighs about 2 pounds at sea level.
31
Billions of neutrinos pass unnoticed through your body every second.
6
Pure water (H2O) does not conduct electricity on its own.
46
One ragweed plant can release as many as one billion grains of pollen!
51
One third of the electricity produced on earth is used to power electric light bulbs!
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13