Trilobites: Figuring Out When and Why Squids Lost Their Shells A study suggests it became advantageous to lose a shell’s encumbering protection while gaining the speed and agility to evade predators and catch prey. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:ScienceTake: Dolphins Show Self-Recognition Earlier Than ChildrenFlorida Is Exempted From Coastal Drilling. Other States Ask, ‘Why Not Us?’Closer to finding ALIEN LIFE? Scientists discover WATER on ancient meteoritesWhat if CHIP Funds Run Out? Here’s What 6 Families Would DoFinding the Oldest Fossils of Butterflies Using a Human Nose HairStunning NASA images reveal raging 129,000mph storms on Jupiter
