Categories Opinions W-Socialist-WS: New insight into the possible origin of chipped stone tool technology Post author By Admin Post date April 19, 2023 Listen to this article The use of a hammer-and-anvil technique to crack nuts by monkeys and chimpanzees may represent the precursor of human stone tool technology. W-Socialist-WS ← Saved Web Pages – Daily Report at 9 p.m. [Inoreader digest] → W-Socialist-WS: Canada’s federal workers’ strike and the global resurgence of the class struggle