Sperm Could Be the Slave Drivers of the Nanobot Future

Scientists are investigating the possibility of using the "tiny assembly line that powers the whip-like tail of sperm" to send medical nanobots racing throughout the body. In order to work, these devices would have to be made from biomedical components—and at that size, "biology would provide the best functional… » 1/02/08 6:30pm 1/02/08 6:30pm