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Nature
How Drinking Giraffes Avoid a Head Rush
When you're this tall, getting a drink of water can be challenging. With their high blood pressure, one would think giraffes should get a head rush when they bend down to drink from a watering hole. Luckily, their anatomy is tailored to combat this very issue.
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52:29
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52:51
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53:33
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53:33
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53:03
An intimate portrait of Sir David Attenborough’s life and career in natural history.

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53:33
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53:45
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53:27
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53:29
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53:18
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