Snakes' slithering translates wiggling motion

A snake’s slithering — how it translates wiggling motion into forward movement — has always been a bit of a mystery. Over the years, researchers developed the idea that an undulating snake drove its flanks laterally against small objects, like rocks and twigs, to propel itself.“But that didn’t explain how snakes can move in areas where there isn’t anything to push on,” said David L. Hu, of