3 votes Human language may have evolved to help our ancestors make tools Posted August 29, 2018 by Algernon_Asimov Tags: language, humans, tools, evolution, proxy indicators, psychology, author.michael balter http://www.sciencemag.org/news/2015/01/human-language-may-have-evolved-help-our-ancestors-make-tools Link information This data is scraped automatically and may be incorrect. Published Jan 13 2015 Word count 979 words