Imagine you are a member of a hunter-gatherer tribe living in a remote part of the sprawling African plains, and your stomach is growling. How do you search for something to eat?
According to a new study, chances are you would use the same food-scouring technique as sharks, honeybees and spider monkeys.
When searching for grub, scientists have found that a diverse number of species — now including hunter-gatherer humans — follow a mathematical pattern of movement called a "Levy walk."
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