It sounds like a dramatic scene of a plan gone awry in a sci-fi movie, but it was real life to Italian astronaut Luca Parmitano while out on a space walk from the International Space Station last month. His helmet began filling with water, disorienting him and cutting off communications with his fellow astronauts and mission control. Click here to read his recounting of the experience and how he found his way to safety.
And here's a link to Buzz's recent feature on the risks and rewards of sending people into space. Does this spacewalk incident can or confirm your beliefs about sending humans to space?