Stone flakes made by monkeys cast doubt on ancient human 'tools'
https://www.newscientist.com/article/2363882-stone-flakes-made-by-monkeys-cast-doubt-on-ancient-human-tools/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
Stone flakes made by monkeys cast doubt on ancient human 'tools'