A recently-discovered group of fossils, dating back almost a billion years, revealed a once-thriving microbial ecosystem of prokaryotic bacteria and eukaryotic algae living together in harmony. The preservation of this ecosystem challenges our understanding of the evolution of animals and geologic time.
Animals Have Been Around For a Long Time—Perhaps Even Longer Than We Once Thought
Related Posts
About “Toxic” Plants and Climate Change
SciShow, and along with it Hank Green, join us in discussing a particular issue that may pose a…
January 28, 2022
These “Toy” Dog Genes Can Be Traced Back to 54,000-Year-Old Wolves
Your nearest Chihuahua may appear so distant in appearance to its wolf-like ancestors that they might as well…
March 10, 2022
How a Billion-Year-Old Rock Preserved Earth’s Earliest Life
A billion-year-old rock called Franklin Marble preserves evidence of ancient microbial life and reveals how tectonic forces transformed seafloor sediments into part of the Appalachian Mountains.
June 13, 2025
Science knows of 21,000 bee species. There are likely thousands more
James B. Dorey, University of Wollongong and Nikolas Johnston, University of Wollongong It’s a question that has sparked…
