Are Modern Humans Really Older Than We Thought? Until recently, fossil evidence for modern humans has only gone back 200,000 years. A new discovery in Morocco and thermoluminescence dating may help extend that beyond 300,000 years. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Stopping a Disastrous Plan with Science: the Bay Model Small Planes Over Big Oceans (ETOPS Explained) How Gyros Work – Vsauce Does Shaving Your Body Actually Help You Swim Faster? How Does the Internet Work? Should you trust unanimous decisions?