Recently it was found monkeys/apes producing chippings that looked very much like what we thought hominids were producing, so that caused some upset. Edit: http

Recently it was found monkeys/apes producing chippings that looked very much like what we thought hominids were producing, so that caused some upset. Edit: https://www.smithsonianmag.com/smart-news/stone-flakes-made-by-monkeys-raise-questions-about-early-human-tools-180981785/ https://www.smithsonianmag.com/smart-news/stone-flakes-made-... (And the wood found here was worked, not just a handy pokey-stick)