Fifty-five years ago today a chimpanzee traveled where no man had gone before, when NASA loaded Ham the chimp into a Mercury capsule for a trial run ahead of America's first manned space mission
Fifty-five years ago today a chimpanzee traveled where no man had gone before, when NASA loaded Ham the chimp into a Mercury capsule for a trial run ahead of America's first manned space mission. Charles Osgood reports.