Read about "A Break in a Longstanding Mystery about Origin of Complex Life" at https://cns.utexas.edu/news/research/break-longstanding-mystery-about-origin-complex-life
College of Natural Sciences
Feb 20, 2026
A Break in a Longstanding Mystery about Origin of Complex Life
Breathe easy. It appears our microbial ancestors used oxygen, too.
Credit: Brett Baker.
