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Knut the polar bear's mysterious cause of death revealed

Life

Knut the polar bear's mysterious cause of death revealed

The famous polar bear that drowned in 2011 at Berlin Zoo seems to have suffered from a brain condition previously only known in humans

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Chance of polar bears surviving food shortage recedes with ice

Earth

Chance of polar bears surviving food shortage recedes with ice

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Polar bear caught eating dolphins and freezing the leftovers

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Polar bear caught eating dolphins and freezing the leftovers

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Environment

Polar bear penis bone may be weakened by pollution

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Polar bear penis bone may be weakened by pollution

Earth

Polar bear penis bone may be weakened by pollution

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Loss of Arctic sea ice to doom polar bears by 2075

Earth

Loss of Arctic sea ice to doom polar bears by 2075

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Ban on capturing whales for zoos a step closer

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Ban on capturing whales for zoos a step closer

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Zoologger: Polar bears evolved to eat junk food

Earth

Zoologger: Polar bears evolved to eat junk food

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Feedback: And then there were lawyers

Environment

Feedback: And then there were lawyers

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Climate change brings disease threat for polar bears

Earth

Climate change brings disease threat for polar bears

The iconic Arctic mammals' limited immune system may put them at particular risk if new pathogens spread northwards as the world warms

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Earth

Hammerhead sharks are winners of wildlife trade meeting

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Earth

What ice-free summers will mean for Arctic life

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Earth

Hardy polar bears have survived past global warming

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Earth

Zoologger: Meet the polar bear's replacement

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