This is a 2015 report, with these sources: - https://www.dailymail.co.uk/news/article-3072094/40-000-year-old-bracelet-believed-oldest-suggests-ancient-humans-

This is a 2015 report, with these sources: - https://www.dailymail.co.uk/news/article-3072094/40-000-year-old-bracelet-believed-oldest-suggests-ancient-humans-used-drills.html https://www.dailymail.co.uk/news/article-3072094/40-000-year... - http://siberiantimes.com/science/casestudy/features/f0100-stone-bracelet-is-oldest-ever-found-in-the-world/ http://siberiantimes.com/science/casestudy/features/f0100-st...