A cesium atom in an atomic clock beats over nine billion times a second.
43
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The bark of an older redwood tree is fireproof.
65
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One cubic foot of gold weighs more than 1,200 pounds!
78