June 16 (UPI) --Summer is finally here, and humans aren't the only ones enjoying the warm weather -- snakes are slithering out of their dens in search of food, mates and, in some cases, mischief.

The motion of snakes has long fascinated humans: they undulate, they sidewind, they crawl, they even fly. Together with herpetologists, researchers in the Harvard John A. Paulson School of Engineering ...

Desert snakes slithering across the sand at night can encounter obstacles such as plants or twigs that alter the direction of their travel. While studying that motion to learn how limbless animals ...