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Friends,
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Friends,
Today is the National Flag Day in Ukraine!
Grateful to Ukrainian Defenders that it's our blue and yellow flag proudly waving over Ukrainian cities! And it will be raised over the entire free Ukraine!
Thankful to all our friends and allies who raise our flag with us!
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twitter.com)
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Anti-theft suitcase device invented in 1961. The suitcase comes with three telescopic poles that spring out when activated, making it impossible for the thief to run off. Moreover, the handles will tighten and lock the hand in place until it can be unlocked and deactivated with a…
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Anti-theft suitcase device invented in 1961. The suitcase comes with three telescopic poles that spring out when activated, making it impossible for the thief to run off. Moreover, the handles will tighten and lock the hand in place until it can be unlocked and deactivated with a…
时政
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twitter.com)
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Each chromosome has thousands of genes
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Each chromosome has thousands of genes
The total possible combination of alleles for those genes in humans is ~70,368,744,177,664, trillions of times more than the number of people who have ever lived (~108 billions)
In some ways this means we are alive against enormous odds
有趣
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twitter.com)
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Massimo
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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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