Posts Tagged "Evolution"

Low-density bones linked to less activity

Two studies have determined that low-density bones evolved relatively recently in modern humans, with bone density decreasing in the past 12,000 years or so. This marked the change in modern humans, shifting from foraging to agriculture and becoming more sedentary. Timothy Ryan at Pennsylvania State University in University Park and

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Ancient apes digested ethanol

Matthew Carrigan at Santa Fe College in Gainesville, Florida, and his co-workers have discovered that ancient apes were able to metabolise ethanol. They acquired this ability around 10 million years ago, which coincides with when they came down from the trees onto the forest floor. They were analysing the gene

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