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Forgotten particles may explain why the Universe exists

Original: Forgotten elementary particles may explain the existence of the Universe

Physicists are revisiting little-studied elementary particles as a possible answer to one of cosmology's biggest puzzles: why matter survived the Big Bang instead of annihilating with antimatter. The idea is that these overlooked particles could have tipped the balance in favour of matter, allowing galaxies, stars and life to exist. Science outlets are highlighting the proposal as a fresh angle on a long-standing mystery.

Why now: A new physics proposal linking obscure elementary particles to the matter-antimatter asymmetry has drawn attention.

Universeelementary particlesphysicists

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