There are functioning gears in the animal kingdom: juvenile Issus insects have their rear hind leg movement synchronized with gearing. http://www.cam.ac.uk/res

There are functioning gears in the animal kingdom: juvenile Issus insects have their rear hind leg movement synchronized with gearing. http://www.cam.ac.uk/research/news/functioning-mechanical-gears-seen-in-nature-for-the-first-time http://www.cam.ac.uk/research/news/functioning-mechanical-ge...