Rocket Scientists Think Cycling is Safe (Enough)

NASA pulls injured shuttle astronaut off flight (Associated Press item)

An astronaut who crashed his bicycle last weekend won't be taking part in space shuttle Discovery's final voyage next month.

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To cut down on preflight injuries, NASA has a whole list of prohibited activities for astronauts assigned to space missions. Among the banned high-risk sports: motorcycle riding, skiing, parachuting and acrobatic flying. Bicycling is not on the list.