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| Hibernating Bears Stay Warm - News Bites - National Geographic Kids "If we had that kind of longer interval within our heartbeats, we would probably faint," said study co-author Øivind Tøien, a zoophysiologist at the University of Alaska, Fairbanks. Read more about the bear study on National Geographic ... News Bites - National Geographic Kids - http://kidsblogs.nationalgeographic.com/kidsnews/ |
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