Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One ragweed plant can release as many as one billion grains of pollen!
51
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Most dust particles in your house come from dead skin.
48
One barrel of petroleum holds 42 gallons.
20