Sound travels about 4 times faster in water than in air.
408
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The left ear is more responsive to words of love and emotion whispered into it than the right.
40