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Universe’s abundance of lithium still a mystery

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From Kelsey Houston-Edwards at PBS:

The difference between Lithium-6 and Lithium-7 might not seem like much, but it is poking holes in our understanding of how atoms formed during the Big Bang.

Fortunately, there’s one possible explanation for the discrepancy that hasn’t been ruled out yet—lithium is created and destroyed inside stars. It’s possible that scientists accurately predicted how much 6Li was produced during the Big Bang, and the rest was created later in stars. But for now, lithium is challenging our understanding of the Big Bang, big time. More:

See also: National Geographic on the Big Bang “lithium shortage”

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Can you smoke it? Are Lithium 7 smokes better than Lithium 6 smokes? Mung

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