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 motors." This approach seems bizarre, but apparently it could help solve the problem of supplying energy to thousands of minuscule internal devices that can fight or ward off disease. How long it will be before these spermbot slave drivers become a reality is anyone's guess. [MSNBC]
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