neat article on how snakes move in a straight line

[FollowTheSun]

Their scutes come in very handy...snakes are so fascinating, the way they've adapted to survive. I'm surprised they haven't filmed the rectilinear motion
described in this article thru a clear surface and from underneath, showing what is described. But I've seen it in person anyway...

Here's a video of research on them
https://www.youtube.com/watch?v=ZSHzDesFe6U

and this has a neat clip about halfway through of a close up
https://www.youtube.com/watch?v=gbxaC2-o0Gs