Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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In zero gravity, a candle's flame is round and blue.
16
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Indoor pollution is 10 times more toxic than outdoor pollution.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66