Bubbles of life from the past: Tiny bubbles of oxygen got trapped 1.6 billion years ago
March 2, 2018, University of Southern Denmark
Take a good look at these photos: They show you 1.6 billion years old fossilized oxygen bubbles, created by tiny microbes in what was once a shallow sea somewhere on young Earth.
The bubbles were photographed and analyzed by researchers studying early life on Earth.
Read more at:
https://phys.org/news/2018-03-life-tiny-oxygen-billion-years.html#jCp
