A cesium atom in an atomic clock beats over nine billion times a second.
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Sound travels about 4 times faster in water than in air.
408
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The bark of an older redwood tree is fireproof.
65
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
Each day, up to 150 species of life become extinct.
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