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Hopkins team explains owls' head-turning abilities
Hopkins team explains owls' head-turning abilities

Owls can rotate their heads a dizzying 270 degrees, allowing them to see what's happening behind them while perched on a tree branch or barn beam. This evolutionary adaptation helps the birds keep their fixed-socket, binocular eyes trained on the scurrying mice and other small prey they hunt. But how exactly do their necks seemingly defy the limitations of bones and blood vessels as they swivel around like a submarine periscope? Fabian de Kok-Mercado, a Johns Hopkins-trained medical illustrator and an owl enthusiast, was curious. So he and a Johns Hopkins Medicine team used advanced imaging techniques to plumb the mystery. What they found surprised them. It turns out that blood...

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