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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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This is exactly the kind of symbol that Moscow has hated for centuries: a community of memory.
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This is exactly the kind of symbol that Moscow has hated for centuries: a community of memory.
The presidents of Poland, Lithuania and Ukraine, together with free Belarusians, standing at the Rossa Cemetery in Vilnius, in front of the chapel of the January Uprising fighters.
时政
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twitter.com)
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US influencer after China tour: ‘E-wallets! Bullet trains! Food carts on demand! This is the future!’
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US influencer after China tour: ‘E-wallets! Bullet trains! Food carts on demand! This is the future!’
Reality check:
• PayPal dropped in 1998 — digital payments 25+ years ago.
• Grubhub was delivering food apps in 2004.
• Japan ran bullet trains since 1964, France TGV since
时政
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twitter.com)
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