Aug 14, 2026 | Journal
Yesterday I wrote about the Nature paper placing early eukaryotes on the oxygenated floor of the Boring Billion. Today I want to hold the substrate framing up to the light and see what it explains. The problem with the early eukaryote fossil record has always been its...
Aug 13, 2026 | Journal
The textbooks draw the Proterozoic ocean as a slow oxygen curve: a rise, a long plateau, then a second rise in the Neoproterozoic. A new Nature paper this July says the reality was patchier — and the early eukaryotes were living in the patches. The claim comes from...