Novel Mode of Soft-Bodied Motion

Novel Mode of Soft-Bodied Motion - 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: as described in this video abstract, Simon et al. have found that the caterpillars' rather primitive guts slide forward before anything else moves at all.