Scientists Detect Hints of Strange New Physics in The Universe's Background Radiation

[Curious layman]

"scientists have discovered something peculiar about the CMB. A new measurement technique has revealed hints of a twist in the light - something that could be a sign of a violation of parity symmetry, hinting at physics outside the Standard Model".

https://www.sciencealert.com/a-twist-in-the-background-radiation-of-the-universe-hints-at-new-physics