Article archiving：20210322

How old is the new ivory unearthed in Sanxingdui and how to use carbon 14 to determine it

Principle of carbon 14 dating In atmosphere, carbon 14 is mainly produced by nitrogen 14 being hit by a proton by cosmic rays (that is, a neutron)

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The first batch of artificial human embryos is equivalent to 4 days of combined implantation of sperm and eggs. Why did no one stop it?

Not to mention, human beings are really an amazing creature., have all contributed to the earth’s ecosystem Stability is destroyed. It is related to each of us. Look like.

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Two dry batteries, driving the electric bell 10 billion times in 181, no one knows the battery structure

electricity has played a very important role in people's production and life. Scientists also invented batteries to store electrical energy for easy carrying. .

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What is the body doing during sleep? How much burden will the sleep disorder of 300 million people bring to the body?

"Currently, more than 300 million people in China have sleep disorders " news has attracted widespread attention. brain wave relaxes from the active state when awake

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Why hasn't Yuan Longping been nominated for the Nobel Prize for so many years? Achievements affect the world, but lose to reality

Nobel Prize is the most influential award in the world today. Every year, some people who have contributed the most to mankind are selected from all mankind and awarded to them.

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Looking back at the explosion of the SN10 interstellar spacecraft, former astronaut Nelson will be the director of NASA

1. SpaceX interstellar spacecraft The tenth failure of the SN series is indeed expected. SN11 is almost ready to fly https://t." 2. 3. Not to be seen

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What should I do if I sleep and snore? March 21st is "World Sleep Day". Learn about this knowledge

Source: Dongguan Time Net-iDongguan Have you ever cared about your sleep? Poor sleep is just a matter of habit? In fact, poor sleep is probably related to a certain disease. "Dr

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Renders of the upcoming OnePlus Nord N1 leaked online

OnePlus Nord devices are very popular in the United States and other parts of the world. After feeling the joy of success, OnePlus seems to have to work harder on Nord devices.

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U.S. users are most concerned about battery life when upgrading to buy iPhone/Android phones

Important requirements. Other findings include that more than one-third of consumers’ smartphone upgrade cycles have reached 3 years. Not important .

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AMD Radeon RX 6800M will use Navi 22 core, return to the high-end mobile GPU market

However, according to Twitter user @Komachi, this situation may soon change. The device ID of the GPU is 73D5:C3, which uses a full specification GPU core

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Intel H45 parameters leak, has 20 PCIe 4.0 channels

Recently, the complete parameters of Intel 11th generation Core H45 series processors were exposed.7-4.5GHz; i7-11800H: 8 cores and 16 threads, 2.5-4.6-5.0GHz.0 SSDs

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What are the fast charging heads suitable for iPhone in 2021?

last year's iPhone 12 decided not to have a charger, and domestic manufacturers are also eager to try. Then honestly buying the official version is best for you. 2. . 4

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Video of Wang Han entering school at the age of 20 is exposed! The face is thin and the skin is white and tender, and the middle-pointed bangs and the suit are very mature.

The video not only showed the figure of Wang Han and his old classmates, but also showed a video clip of Wang Han when he entered school that year. He has changed a lot.

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The Haikou Tesla accident reversed again! Exposure to female car owners reconciliation reason: Tesla has pressured its unit

A few days ago, Hexun Automobile obtained a suspected recording from the Internet that Tesla pressured on the female owner of the Hainan Model 3 collision accident.

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Cadillac Escalade vs. Lincoln Navigator: Who would you choose for a full-size luxury SUV?

In the past 20 years of SUV popularity, two models have been standing among the top two luxury full-size SUVs in American brands, namely Cadillac Escalade and Lincoln Navigator

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