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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
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In his documentary “The Last Party,” Robert Downey Jr. covered the US presidential elections of 1992, interviewing politicians, activists and other people about their views on American politics.
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In his documentary “The Last Party,” Robert Downey Jr. covered the US presidential elections of 1992, interviewing politicians, activists and other people about their views on American politics.
During the filming, Downey Jr. visited Wall Street and got appalled by what he saw.
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