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This iconic photograph is still considered one of the most-terrifying space photographs to date. Astronaut Bruce McCandless II became the first human being to do a spacewalk without a safety tether linked to a spacecraft. In 1984, he floated completely untethered in space with…
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This iconic photograph is still considered one of the most-terrifying space photographs to date. Astronaut Bruce McCandless II became the first human being to do a spacewalk without a safety tether linked to a spacecraft. In 1984, he floated completely untethered in space with…
有趣
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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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Beijing Has Fallen: 88% Collapse Turns Capital Into Ghost Town.
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Beijing Has Fallen: 88% Collapse Turns Capital Into Ghost Town.
Beijing 2025: From Swagger to Silence – The Shocking Collapse of China’s Capital.
Beijing was once alive. Now? It’s a dead city. Empty streets. Shuttered shops. Propaganda posters in place of neon signs. In this
时政
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twitter.com)
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