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Ask Ethan: Could axions be the solution to the dark matter puzzle?

The majority of the matter in our Universe isn't made of any of the particles in the Standard Model. Could the axion save the day?

Starts With A Bang

The ‘Strong CP Problem’ Is The Most Underrated Puzzle In All Of Physics

In physics, anything that isn’t forbidden must occur. So why don’t the strong interactions violate CP-symmetry? If you ask a physicist what the biggest unsolved problem facing the field today […]