Japanese researchers studied ancient hunting weapons created by humans . They were no more effective than Neanderthal - created weapons of same name . Suggests ##ites and Neanderthals may not have done that differently . another theory that human hunting led to the extinction of Neanderthals .
Japanese researchers studied ancient stone weapons created by humans . They were no more effective than Neanderthal-created tools of same era . Suggests humans and Neanderthals may not have behaved that differently . Contradicts theory that human hunting led to the demise of Neanderthals .