
1.1-billion-year-old porphyrins establish a marine ecosystem dominated by bacterial primary producers
<a href="https://news.google.com/rss/articles/CBMiXEFVX3lxTE9XTy0yNGRqWnpYT0IwNWtMM3lTRmVQb3A2ZVJ5TmxISEwzRUNZTlUwZ3lCQlNTMjRCMDFVMXZIRzF2cnlrYVBkMk05TWc1N3AzN1loRGdEYWRaTHJK?oc=5" target="_blank">1.1-billion-year-old porphyrins establish a marine ecosystem dominated by bacterial primary producers</a>&nbsp;&nbsp;<font color="#6f6f6f">PNAS</font>

