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Scientists have new evidence to explain why plastic is dangerous to sea turtles: the animals mistake the scent of plastic for food. Thus, a plastic bag floating in the sea not only looks like a jellyfish snack, but it gives off a similar odour. This "olfactory trap" might help explain why sea turtles are prone to eating and getting entangled in plastic, say US researchers. Plastic debris is rapidly accumulating in the oceans. The likes of plastics bags, netting and bottles pose a threat to hundreds of marine species, including endangered turtles, birds and whales.
