A ball of glass will bounce higher than a ball made of rubber.
73
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55