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Tag: "cultural" at biology news

New Clues Add 40,000 Years to Age of Human Species

...ch pushes back our time of origin," he adds, “most cultural aspects of humanity appear much later in the record—only 50,000 years ago—which would mean 150,000 years of Homo sapiens without harpoons, music, needles or even most tools. This is another mystery yet to be solved," he said. When Richard Leakey, F...

Male circumcision reduces risk of HIV transmission from women to men

...he presentstudy was also able to take into account cultural characteristics thatmight be responsible for diffe...e risk ofinfection. But the researchers found that cultural differences insexual behavior did not matter: when groups of men were excluded fromthe analysis base...

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