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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)
00:00:30
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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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Last night, beginning at around 9:45 pm, I personally witnessed (and videoed) what appeared to be dozens of large drones in the sky above my residence in Davidsonville, Maryland (25 miles from our nation’s capital). I observed the activity for approximately 45 minutes.
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Last night, beginning at around 9:45 pm, I personally witnessed (and videoed) what appeared to be dozens of large drones in the sky above my residence in Davidsonville, Maryland (25 miles from our nation’s capital). I observed the activity for approximately 45 minutes.
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时政
(
twitter.com)
00:02:04
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Uyghurs in Sydney, Australia, protesting China’s genocide against Uyghurs, get approached by Ultra-Nationalist Chinese man.
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Uyghurs in Sydney, Australia, protesting China’s genocide against Uyghurs, get approached by Ultra-Nationalist Chinese man.
After I spoke with the Uyghur man (in white shirt), he says that he and his small group were approached by the Chinese man raising his middle-finger and
时政
(
twitter.com)
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Tell me how we can Make Traveling with Family Great Again!
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Tell me how we can Make Traveling with Family Great Again!
There’s no better place to start a family than the USA so I want to make it easier for you to travel with your kids.
Here’s your chance to tell me, your Transportation Secretary, what I can do to make travel easier
btc
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twitter.com)
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