A cache of Denisovan tools shows how these extinct humans moved from using sharp stone flakes 150,000 years ago to stone blades and chisels around 60,000 years ago
Source:
https://www.newscientist.com/article/2235308-thousands-of-denisovan-tools-reveal-their-stone-age-technologies/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home