Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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A cubic yard of air weighs about 2 pounds at sea level.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A cesium atom in an atomic clock beats over nine billion times a second.
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Hot water can freeze faster than cold water.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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