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