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Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

AMA | September 2024

5870.352 - 5892.158 Sean Carroll

But we've looked for the WIMPs and we haven't found them yet. Maybe we will, but we haven't found them yet, which is sort of depressing. The other popular candidate are axions. And again, the reason why axions are popular, it's not because you naturally get the right density of dark matter, but the axions solve another problem. They solve what is called the strong CP problem.

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