00502nam a2200085Ia 4500008004100000245003200041300027600073650001300349856005400362170517s9999    xx            000 0 und d 4aThe Day We Learned To Think  aUnderstanding of humans' earliest past often comes from studying fossils. They tell us much of what we know about the people who lived before us. There is one thing fossils cannot tell us; at what point did we stop living day-to-day and start to think symbolically, to...  xScience.  uhttp://topdocumentaryfilms.com/day-learned-think/