Humans are the only species that can drink milk in adulthood. The enzyme lactase, responsible for digesting milk, had developed as a mutation during times of hunger when the body needed to digest more food options in order to survive. Communities that drank more milk have a higher lactase percentage.
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A comprehensive assessment of over 10,000 reptile species around the world concluded that one in five reptiles is threatened with extinction. The study took over
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Researchers managed to rejuvenate some skin cells of a 53 years old woman to the equivalent of 23 years old. The technology used is based
