When observing small worms under a microscope, one might observe something very surprising: the worms appear to make a sweeping motion to clean their own environment. Physicists at the University of ...

Computer-modeled body movements of a simulated worm (top) and a real worm (bottom). The graphs show body movement patterns over time for both worms (left). On the right, moving images show how closely ...

For millennia, humans have used knots for all kinds of reasons — to tie rope, braid hair, or weave fabrics. But there are organisms that are better at tying knots and far superior — and faster — at ...