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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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Terror has opened far too many fronts against humanity. The war against Ukraine. The war in the Middle East. Terrible destabilizations throughout Africa. Constant attempts to cause a crisis on the global food market.
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Terror has opened far too many fronts against humanity. The war against Ukraine. The war in the Middle East. Terrible destabilizations throughout Africa. Constant attempts to cause a crisis on the global food market.
Being strong under such circumstances is to confront terror.…
时政
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twitter.com)
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