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A drone has successfully captured photographs of a pod of killer whales at sea, providing stunning shots of the animals in their natural habitat. But …Cognitive Science
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For years, scientists have debated the evolutionary reason behind a zebra's stripes. Are they: a. Costumes for courtship? b: Camouflage to confuse lions and other predators? c: A natural way to cool off? d: Bug repellent?<p>If you answered "d," you'd win the prize, at least in the eyes of Tim Caro, a …Biology