From why yawns are contagious to how people first talked to each other without language, we answer these and other life mysteries GET YOUR VERY OWN DOLAN SHIRTS ►► http://planetdolan.spreadshirt.com You can help support our animators (& earn some special bonuses like custom graphics, early video access and your questions featured in Q&A videos) by checking out our Patreon page: https://www.patreon.com/superplanetdolan CREDITS --- Starring: Danger Dolan https://twitter.com/TheDDGuides Shima https://twitter.com/ShimaLuan REVERSE Danger Dolan https://twitter.com/TheDDGuides REVERSE Shima https://twitter.com/ShimaLuan Animated by: Spinalpalm https://www.youtube.com/Spinalpalm Written by: Danger Dolan & Shima Luan Character design by: ReturnoftheGoo https://youtube.com/channel/UCdju3Vum6sZa8tdWkxPrsqA Music/SFX by: Epic Mountain Music http://epic-mountain.com/ Info sources: http://pastebin.com/vmYvmSRe Credits music: "Sugar Plum Dark Mix" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/