Diamonds can be shattered with a hammer.
-104
Balsa wood is classified as a hard wood!
41
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Hot water can freeze faster than cold water.
181
A ball of glass will bounce higher than a ball made of rubber.
73
For every gallon of sea water, you get more than a quarter pound of salt.
45
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Neanderthal man had a brain capacity 100cc larger than modern man's.
50