In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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There's a regenerative candle that creates a new candle as it melts.
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In 1943, a Pan Am Airline chef snuck whiskey into passengers' coffee to warm them up on a winter flight. When asked what kind of coffee they were being served, he improvised "Irish Coffee," creating the now-famous cocktail.
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There is a “Fruit Salad Tree” which can grow up to 6 different types of fruit.
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Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
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