From land to space in a generation: an evolutionary challenge.
D000054:Acceleration; D000337:Aerospace Medicine; D000818:Animals; D001359:Aviation / Q000266:history; D002415:Cats; D002490:Central Nervous System / Q000502:physiology; D018504:Ecological Systems, Closed; D004777:Environment; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009043:Motor Activity; D009949:Orientation; D012399:Rotation; D012665:Semicircular Canals / Q000502:physiology; D013026:Space Flight; D014722:Vestibule, Labyrinth / Q000502:physiology; D014893:Weightlessness