Trilobites: They Were Shorter and at Risk for Arthritis, but They Survived an Ice Age A genetic mutation that knocks a centimeter off height and increases the risk for arthritis may have helped early humans in Europe and Asia to survive, a new study shows. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:UK weather forecast: Freezing cold snaps to become MORE COMMON in the futureWhat happens when you die? Brain cells drop off through ‘SPREADING DEPRESSION’Arthur J. Moss, Who Pioneered Heart Treatments, Dies at 86Paul Allen Wants to Teach Machines Common SenseTrilobites: You Get Thirsty and Drink. How Does Your Brain Signal You’ve Had Enough?When Stars Were Born: Earliest Starlight’s Effects Are Detected