A cesium atom in an atomic clock beats over nine billion times a second.
43
For every gallon of sea water, you get more than a quarter pound of salt.
45
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Hot water can freeze faster than cold water.
181
The bark of an older redwood tree is fireproof.
65
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21