World’s oldest butchering tools gave evolutionary edge to human communication: Oldowan technology behind genesis of language and teaching

13 enero 2015

Two and a half million years ago, our hominin ancestors in the African savanna crafted rocks into shards that could slice apart a dead gazelle, zebra or other game animal. Over the next 700,000 years, this butchering technology spread throughout the continent and, it turns out, came to be a major evolutionary force.