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Roman Oleksiv, 8, is a victim of a Russian missile strike on Vinnytsia on July 14, 2022. He suffered burns to almost half of his body.
Carl Gustav Carus University Hospital l in Dresden performed three surgeries a week to help Roman recover. There, for the first time since his…
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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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Massimo