One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Your brain is 80% water.
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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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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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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.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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