Passengers on the Beijing subway can pay with plastic bottles.
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There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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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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In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
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India's richest person, Mukesh Ambani, built a $1 billion home. It has 27 habitable floors, including six parking floors with a capacity to hold up to 168 cars. 600 staff maintain the home.
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