Earthworms move through the soil not just by wriggling around, but by sending peristaltic waves down their bodies. A new robot, which employs that same strategy, could one day be used in underground ...

Swallowing (a) evokes a peristaltic wave of contraction that migrates smoothly from the striated to smooth muscle esophagus. Simultaneous electrical activation of all vagal efferent neurons (b) ...

The alternative text for this image may have been generated using AI. Although the fundamental circuitry required to generate a coordinated forward or backward sequence of contractions is assembled ...

To keep blood and oxygen flowing throughout their bodies, most animals depend on a beating heart. But researchers reporting in Current Biology on July 10 have discovered that sea spiders use a strange ...