![](https://webarchive.library.unt.edu/eot2008/20090509104647im_/http://www.nsf.gov/images/x.gif) News From the Field Ripple Effect: Water Snails Offer New Propulsion Possibilities
![](https://webarchive.library.unt.edu/eot2008/20090509104647im_/http://www.nsf.gov/images/greenlineshort.jpg)
October 9, 2008
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A University of California, San Diego engineer has revealed a new mode of propulsion based on how water snails create ripples of slime to crawl upside down beneath the surface.
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Source University of California, San Diego
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