A cesium atom in an atomic clock beats over nine billion times a second.
43
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Most dust particles in your house are made from dead skin!
67
Each day, up to 150 species of life become extinct.
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