Added 1 new A* page:There was an article today by the BBC about a Japanese astronaut on the International Space Station who is worried about having grown 3.5 inches (9 cm) since arriving on the station three weeks ago. (Update 1/10/18: He actually grew only 2 cm.) The article explains that astronauts typically grow (temporarily) 2-5 cm in space, due to the spine expanding in the nearly weightless environment.
Even on Earth, you may be about a half-inch or so taller when you get up in the morning than when you went to bed, due to the spine being able to expand while you were lying down!
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