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:Stacey Abrams Hopes Medicaid Expansion Can Be a Winning Issue in Rural GeorgiaImmune-Based Treatment Helps Fight Aggressive Breast Cancer, Study FindsIs NASA doing enough to find aliens? UFO expert says we're 5 YEARS from ET discoveryMars Deep Drill: NASA plan to dig 10km hole in ALIEN LIFE search - REVEALEDOctober Moon LIVE stream: How to WATCH International Observe the Moon Night 2018 onlineLunar eclipse 2018: When is the next lunar eclipse? Where can you see the next eclipse fro