NASA needs ideas on how to design a radiation shield for deep space vehicles, and it's turning to origami artists and enthusiasts for help. If you're skilled in the art, that includes you. The space agency has teamed up with crowdsourcing website Freelancer to launch a project challenging people to create an origami design showing the most efficient way to pack a radiation shield. It's a necessary component for manned missions, since cosmic rays can damage both human bodies and electronics. Without a shield, future spacefarers will be more prone to developing cancer, degenerative tissue damage, nervous system damage, heart disease and cataracts.