Trilobites: That’s Not Algae Swirling on the Beach. Those Are Green Worms. Researchers demonstrated that plant-worms rotate in circular congregations along Atlantic beaches. But nobody is certain why. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Asteroid 2002 AJ129: Will 'potentially devastating' rock smash Earth during Super Bowl?High Times Beckon for Using Hemp to Build HousesEclipse 2018: Will super blue blood moon cause Mayon eruption?Arno Motulsky, a Founder of Medical Genetics, Dies at 94Brain pacemaker helps boost lives of Alzheimer’s victims, scientists revealTrump Says Climate Is Both ‘Cooling’ and ‘Heating.’ He’s Only Half Right.