For years, a set of tiny structures locked inside Brazilian limestone served as one of paleontology’s most tantalizing clues: ...
Microbial mats are multilayered, self-sustaining biofilms composed of diverse microorganisms—bacteria, archaea, eukaryotes and viruses—tightly bound in extracellular polymers. They form at the ...
The outcrop in Morocco where Associate Professor Rowan Martindale noticed the wrinkle structures formed by microbial communities. Note that the large ripples on the rock slab were formed by turbidity ...