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Do Magnets Stick to Your Arm After COVID Vaccine?


No, There s Nothing Magnetic in the COVID-19 Vaccines Experts Debunk Misinformation
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In today s edition of misinformation circling about the COVID-19 vaccine: magnetic ingredients. People are posting videos on social media claiming that ingredients in the COVID-19 vaccines are making magnets stick to the arm where they received the vaccine; some even say an implanted microchip is to blame. TikTok recently took down one of these viral videos that allegedly demonstrated this magnetic attraction, and Instagram blurred a similar video, labeling it false information. You may have seen compilations of these videos going around. But no ingredients used in the COVID-19 vaccines are actually magnetic in nature. ....

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Hidden within African diamonds, a billion-plus years of deep-earth history


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IMAGE: A diamond encapsulating tiny bits of fluid from the deep earth, held here by fine tweezers, was part of a study delving into the age and origins of South African.
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Credit: Yaakov Weiss
Diamonds are sometimes described as messengers from the deep earth; scientists study them closely for insights into the otherwise inaccessible depths from which they come. But the messages are often hard to read. Now, a team has come up with a way to solve two longstanding puzzles: the ages of individual fluid-bearing diamonds, and the chemistry of their parent material. The research has allowed them to sketch out geologic events going back more than a billion years a potential breakthrough not only in the study of diamonds, but of planetary evolution. ....

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Hidden Within African Diamonds, a Billion-Plus Years of Deep-Earth History | Lamont-Doherty Earth Observatory


(Yaakov Weiss)
Most diamonds are thought to form some 150 to 200 kilometers under the surface, in relatively cool masses of rock beneath the continents. The process may go back as far as 3.5 billion years, and probably continues today. Occasionally, they are carried upward by powerful, deep-seated volcanic eruptions called kimberlites. (Don’t expect to see one erupt today; the youngest known kimberlite deposits are tens of millions of years old.)
Much of what we know about diamonds comes from lab experiments, and studies of other minerals and rocks that come up with the diamonds, or are sometimes even encased within them. The 10 diamonds the team studied came from mines founded by the De Beers company in and around Kimberley, South Africa. “We like the ones that no one else really wants,” said Weiss fibrous, dirty-looking specimens containing solid or liquid impurities that disqualify them as jewelry, but carry potentially valuable chemical information. Up to now, mo ....

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