Complex Life on Earth May Be 1.5 Billion Years Older Than We Thought

<img width="128" height="52" src="https://www.sciencealert.com/images/2024/07/ComplexLifeFormsCover1024.jpg" alt="Two shell like objects on black background"/>
That's quite a shift.

https://www.sciencealert.com/complex-life-on-earth-may-be-1-5-billion-years-older-than-we-thought