According to studies, men change their minds two to three times more often than women.
72
One ragweed plant can release as many as one billion grains of pollen!
51
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Each day, up to 150 species of life become extinct.
-23
In zero gravity, a candle's flame is round and blue.
16
Hot water can freeze faster than cold water.
181
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Nylon is made from coal and petroleum.
42