From QuantaMagazine on Twitter: Parity, the equivalence of left and right, was once a cherished symmetry of physics. That ended in 1957, when the Chinese American physicist Chien-Shiung Wu revealed that subatomic particles involved in the weak nuclear force are fundamentally left-handed. https://www.quantamagazine.org/asymmetry-detected-in-the-distribution-of-galaxies-20221205/ https://twitter.com/QuantaMagazine/status/1619734637831413764/photo/1 https://chirp.cooleysekula.net/attachment/037b1c912f8579d709319bb38e1bf62643014cddeaf172642f700ba477c1856d/view