Yamna_culture_tomb Published on May 9, 2016 in The Indo-European Language, Pt. 2: Linguistics & Genetics| Curious Minds PodcastFull resolution (504 × 600) By XVodolazx (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons