Slip Sliming Away

Scientists study how slime helps slugs and snails get around on only one foot.

By Emily Sohn, 00:00 AM July 27, 2007

Slugs and snails produce slime that looks a lot like the stuff that comes out of your nose. These creatures don't use tissues to wipe up their snot, though. Instead, they use the goo to help them stick to surfaces and crawl over obstacles.

For years, scientists have been studying slug slime to better understand what it's made of and how it works. Recently, researchers at the Massachusetts Institute of Technology (MIT) in Cambridge created a robotic slug that crawls on slime, just like real sl...

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