‘Wavy Dave’ robot crab reveals how males compete in claw-waving contest Phys.org Phys.org - Biotechnology A robot crab has helped scientists understand how male fiddler crabs compete over females.This post was originally published on this site Read More: Why TheGabeConcept Is A DJ You Need to Know In 2022 Community Partners Affiliate Content, Entertainment Virtual Reality and Virtual CFO: Is This the Perfect Time For It? Community Partners Affiliate Content