Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
For every gallon of sea water, you get more than a quarter pound of salt.
45
Sound travels fifteen times faster through steel than through air.
134
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Sound travels about 4 times faster in water than in air.
408
Each day, up to 150 species of life become extinct.
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