A cesium atom in an atomic clock beats over nine billion times a second.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
A 'jiffy' is an actual unit of time for 1/100th of a second!
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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