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Balancing Brains
Koyaanisqatsi writes "NASA researchers are learning more about the human brain by studying how astronauts regain their balance upon returning from space. Back home, an astronaut's brain no longer knows how to interpret what the senses tell it. The brain has to adapt to a zero gravity environment in space, then readjust back on Earth. The transition may bring on motion sickness. Ever wonder how your brain would react? (Full Story). Same article is also available via streaming audio or as a downloadable mp3 file."
It's interesting that our "like riding a bike" idiom that suggests we cannot forget how to do something is patentently false when we remove the organism from its native habitat. The article makes it pretty obvious that if we humans wish to engage in manned space exploration, we'll need artificial gravity in the ships if we've any chance of disembarking on a planet to check things out without tripping all over ourselves.
The moon is one thing, but even Mars is a 3-year-flight away.