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How prairie dogs use the Bernoulli’s principle.
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How prairie dogs use the Bernoulli’s principle.
In order to ensure sufficient oxygen within their burrow, one of the entrances is built with a raised mound of dirt, while the other is not. This determines different wind velocities and different pressures + natural ventilation
有趣
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twitter.com)
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Massimo
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Today, on my final day as Director of National Intelligence, I’m releasing never-before-seen communications and documents exposing how Dr. Fauci provided millions in US taxpayer dollars to fund dangerous gain-of-function research at the Wuhan lab, worked with politicized elements
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Today, on my final day as Director of National Intelligence, I’m releasing never-before-seen communications and documents exposing how Dr. Fauci provided millions in US taxpayer dollars to fund dangerous gain-of-function research at the Wuhan lab, worked with politicized elements
时政
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twitter.com)
00:05:21
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Jeffrey Sachs on how Joe Biden has been the most destructive president in American history, and how Donald Trump can repair the damage.
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Jeffrey Sachs on how Joe Biden has been the most destructive president in American history, and how Donald Trump can repair the damage.
(0:00) The Regime Change in Syria
(8:48) What Is Greater Israel?
(21:45) Were Americans Involved in the Overthrowing of Assad?
(34:26) War With
时政
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twitter.com)
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