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http://hotaudiobook.com/free Title: Gene Tweak Led to Human Big ToeAuthor: Tina Hesman SaeyNarrator: Jamie RenellFormat: UnabridgedLength: 3 minsLanguage: EnglishRelease date: 01-27-16Publisher: Science NewsGenres: Science & Technology, Magazine & RadioPublisher's Summary:Small tweaks of one gene may have helped humans to walk upright.Contact me for any questions:
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