Billion-year-old grease hints at long history of complex cells

Our ancestors once thrived on cholesterols that are now just reaction intermediates.

https://arstechnica.com/science/2023/06/billion-year-old-grease-hints-at-long-history-of-complex-cells/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social