Contributor Kristen Erickson

Update
03-18-2002
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Lesson
Grade Level
Ninth grade, Tenth grade, Eleventh grade, Twelfth grade
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This is a NASA Science News entry about an experiment conducted in space where astronauts tried to play “catch” while electrodes sensed their muscular reflexes. Scientists determined that the brain anticipates or expects a certain level of gravity comparable to Earth, even when in space.