Iron weighs more after it rusts.
16
Billions of neutrinos pass unnoticed through your body every second.
6
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One barrel of petroleum holds 42 gallons.
20
4.5 pounds of sunlight strike the Earth each day.
27