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 ...

These slithering threats are hard to detect and built to survive conditions that affect native fish populations. But how much trouble are they actually causing? This article details important ...