PHOTOS: Snakes on Gel, in Jackets Illuminate Slithering

PHOTOS: Snakes on Gel, in Jackets Illuminate Slithering
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To test how snakes would move without the aid of their scales, the team behind the June 2009 study put corn snakes in cloth "straitjackets" they jokingly called "snondoms" (pictured) and, separately, on supersmooth surfaces.

In both cases, the snakes could not move forward because their scales could not "gain purchase" on the ground, Hu said.

—Photograph courtesy David Hu
 
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