Scientists are now able to grow 'beating' heart tissue in a lab!
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A cubic yard of air weighs about 2 pounds at sea level.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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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.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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