SMRTR Science & EngineeringMay 14, 2025Quanta Magazine

How the Universe Differs From Its Mirror Image

SMRTR summary

Chirality, the property of objects differing from their mirror images, exists from molecules to elementary particles. Louis Pasteur discovered chiral molecules in wine, leading to insights about sugar handedness in life and particle physics. This asymmetry affects chemical functions, immune responses, and even fundamental particle interactions, with implications for the weak force and neutrinos.

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