Giant Cosmic Bubbles Have Given a New Precision Measurement of Expanding Space-Time

<img width="128" height="52" src="https://www.sciencealert.com/images/2024/04/desi-universe.jpg" alt=""/>
New physics?????

https://www.sciencealert.com/giant-cosmic-bubbles-have-given-a-new-precision-measurement-of-expanding-space-time