Trilobites: How Zoo Animals Learn to Help Take Care of Themselves Zoo animals require care that emphasizes their welfare if people want them to have long lives like Colo, the gorilla that just died at 60 in Ohio. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Mind: Can We Get Better at Forgetting?NASA asteroid tracker: Look out as 19,300MPH asteroid skims the Earth TOMORROWWhat Makes a Catastrophic Flood? And Is Climate Change Causing More of Them?Trilobites: An Elusive Whale Is Found All Around the WorldNASA space herpes warning: What diseases can astronauts catch? How do they spread?Tyson Recalls 69,000 Pounds of Chicken Strips After Metal Fragments Are Found