- A new discovery of quina scrapers in China from the Middle Paleolithic challenges the long-standing notion that while ancient people in Europe and Africa were inventing new tools during that era, people of East Asia stuck to basic stone tools that remained unchanged for thousands of years https://theconversation.com/stone-tool-discovery-in-china-shows-people-in-east-asia-were-innovating-during-the-middle-paleolithic-like-in-europe-and-middle-east-252868 9 comments science