Discussion from another URL <a href="https://news.ycombinator.com/item?id=43384826">https://news.ycombinator.com/item?id=43384826</a> (112 points | 3 days ago | 79 comments)
'Humans' unique language capacity was present at least 135,000 years ago, according to a survey of genomic evidence. As such, language might have entered social use 100,000 years ago.'