A cesium atom in an atomic clock beats over nine billion times a second.
43
The average temperature at 40,000 feet above sea level is -60 F.
56
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
A ball of glass will bounce higher than a ball made of rubber.
73
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57