Hearing tests for polar bears

Scientists in California are testing the hearing of polar bears to try to find out whether the noises associated with melting Arctic ice could affect their ability to survive.

In the wild, polar bears live in one of the quietest places on Earth. For much of the time, the Arctic is a bitterly cold, silent world.

But global warming is changing that. Ice, which is crucial to the bears’ survival, is disappearing and people are moving in.

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Tagged as: Arctic, Bears, California, Earth, Global Warming, Ice, Polar Bears, Scientists

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