A cesium atom in an atomic clock beats over nine billion times a second.
43
Aluminum used to be more valuable than gold!
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Liquid TIDE laundry detergent glows under a blacklight.
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108