Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound at the right vibration can bore holes through a solid object.
134
A cubic yard of air weighs about 2 pounds at sea level.
31
The smell of freshly cut grass is actually a plant distress call.
31
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The average temperature at 40,000 feet above sea level is -60 F.
56