Old, old, OLD news
Researchers have found what could be the oldest microbial fossils yet documented. The traces, discovered in 3.4-billion-year-old Australian rocks, might help to resolve the question of when cellular life arose, and how it produced energy.
The big geoscience story of the day, and it’s about sulphur bacteria in Australia! Hooray for my field of research being slightly more topical than most other days. Read all about it at Nature News.
This black iron sulphide had crept all the way to the surface of the mud at one of my Honours sampling sites at Coombabah Lake. The area was almost gag-inducing with its smell of hydrogen sulphide - rotten egg gas - due to the activity of sulphur bacteria.