In zero gravity, a candle's flame is round and blue.
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The sun is 330,330 times larger than the earth.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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One cubic foot of gold weighs more than 1,200 pounds!
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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