PBS Eons: How Ancient Microbes Rode Bug Bits Out to Sea #fossils #paleontology #arthropods #cambrian #exoskeletons #evolution #microbes #photosynthesis #bacteria

PBS Eons has a new episode.  This one is about the evolution of microbes and how it might be connected to the evolution of the chiton exoskeletons of arthropods.

Tiny exoskeleton fragments may have allowed some of the most important microbes in the planet’s history to set sail out into the open ocean and change the world forever.