Caterpillars crawl like none other
Friday, July 23, 2010 - 05:42
in Physics & Chemistry
Most of us have surely seen the slow and gravity-defying crawl of a caterpillar, with that wave of motion that passes over their elongated and flexible bodies. But it turns out that inside those crawlers, there's a completely different motion going on: their rather primitive guts slide forward before anything else moves at all...