See also: https://www.eutimes.net/2019/11/did-copper-for-the-old-worlds-bronze-age-come-from-mines-in-the-new-world/ https://www.eutimes.net/2019/11/did-copper-

See also: https://www.eutimes.net/2019/11/did-copper-for-the-old-worlds-bronze-age-come-from-mines-in-the-new-world/ https://www.eutimes.net/2019/11/did-copper-for-the-old-world... I suspect that's one of those "totally crackpot theories" that will later come to be considered far less cracked. We will find more evidence of humans running around the planet in prehistory, carrying things they valued. There's samples of fun drugs in places and times "they shouldn't be," too.