Trilobites: Being Antisocial Leads to a Longer Life. For Marmots. Unlike most mammals, yellow-bellied marmots with more active social lives died younger than those that kept to themselves, scientists found after tracking them for 13 years. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Ian Kiernan, Australian Sailor and Environmentalist, Dies at 78Trilobites: City Rats Eat Meat. Country Rats Eat What They Can.We’re Covering Heritage Sites Threatened by Climate Change. The List Just Got Longer.Leaning Tower of Pisa and other heritage sites could end up UNDERWATER warn scientistsNonfiction: The Man Who Pioneered Food SafetyWhy White Supremacists Are Chugging Milk (and Why Geneticists Are Alarmed)