Very old, very sophisticated tools found in India

Article URL: https://www.washingtonpost.com/news/speaking-of-science/wp/2018/02/01/very-old-very-sophisticated-tools-found-in-india-the-question-is-who-made-them/?utm_term=.2a5d5e0f88de

Comments URL: https://news.ycombinator.com/item?id=16282936

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