Early String Ties Us to Neanderthals - The New York Times
https://www.nytimes.com/2020/04/09/science/neanderthals-fiber-string-math.htmlOldest ever piece of string was made by Neanderthals 50,000 years ago | New Scientist
https://www.newscientist.com/article/2240117-oldest-ever-piece-of-string-was-made-by-neanderthals-50000-years-ago/