Paleoanthropologist Dr. Steven E. Churchill answers your questions about cavemen and early human evolution from Twitter. What happened to the Neanderthals? Is there a chance Big Foot is real? What did humans eat before the discovery of fire? Answers to these questions and many more await—it's Caveman Support.Director: Lisandro Perez-ReyDirector of Photography: Constantine EconomidesEditor: Louis LalireExpert: Dr.