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
For every gallon of sea water, you get more than a quarter pound of salt.
45
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Sound at the right vibration can bore holes through a solid object.
134
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Neanderthal man had a brain capacity 100cc larger than modern man's.
50