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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
(
twitter.com)
•
Massimo
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In a rainstorm, #HongKongers mourned Marco Leung Ling-kit on the 5th anniversary of his fatal fall. One of the mourners was dressed in his iconic #YellowRaincoat. Simple acts like this have become ever more risky in HK, but it was so rainy, the police were nowhere to be seen.
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In a rainstorm, #HongKongers mourned Marco Leung Ling-kit on the 5th anniversary of his fatal fall. One of the mourners was dressed in his iconic #YellowRaincoat. Simple acts like this have become ever more risky in HK, but it was so rainy, the police were nowhere to be seen.
时政
(
twitter.com)
00:00:30
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Why is half of the ship black and half of it is silver colored?
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Why is half of the ship black and half of it is silver colored?
that's because the bottom as seen from orbital entry is, has a heat shield on it. So the black there is the heat shield and then the core structure of the rocket is a special alloy of stainless steel and that's
btc
(
twitter.com)
00:00:55