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Nature
What is the Arctic Death Spiral?
The Arctic “death spiral” refers to the rapid loss of sea ice caused by climate change. For walruses, this means losing the ice platforms they rely on to rest, raise their young, and hunt. Discover how melting sea ice is reshaping their future.
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Relationships with cats and dogs are some of the longest and most intimate of our lives.
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53:47
In the Drakensberg Mountains of South Africa, eland make a remarkable journey of survival.
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52:55
Ancient maps and legends tell of dragons in our world. Where did these stories come from?
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51:14
In 1893, a bounty hunter journeyed to New Mexico on a mission to kill a dangerous outlaw.
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53:56
Horseshoe crab numbers drop as their use as bait by the fishing industry increases.