![Graphic][1] Snakes travel in the form of an undulating S-shape produced by a wave of muscle contractions propagating from their head to their tail. How do snakes preserve their motion… Click to show full abstract
![Graphic][1] Snakes travel in the form of an undulating S-shape produced by a wave of muscle contractions propagating from their head to their tail. How do snakes preserve their motion when they encounter unexpected obstacles on their way? Perrin Schiebel and her colleagues at the Georgia
               
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