If the chemical sodium is dropped into water it will immediately and violently explode.
67
For every gallon of sea water, you get more than a quarter pound of salt.
45
A cesium atom in an atomic clock beats over nine billion times a second.
43
Your brain is 80% water.
525
Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
68
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57