Science Friday Published by Science Friday Hr1: News Roundup, Plastic Clothing, Canine Communication, Lucy Listen 46 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/659812/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend How anthropologists peer inside scarce, ancient fossil bones to find clues about our evolutionary history. Plus, how dogs pick up on our tones, gestures, and moods.