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Nature
Scientist Profile - Tony Sinclair
Tony Sinclair arrived in the Serengeti in 1965, looking to study the wildlife. In the decades that followed, his work revealed the ecological rules that govern this majestic place and most other ecosystems on Earth.
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53:10
In Yellowstone National Park, two predators reign supreme: the grizzly bear and the wolf.
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53:11
CINE Golden Eagle Award Winner: Hummingbirds spend most of their lives in fast forward.
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53:30
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.