At https://phys.org/news/2021-11-smaller-grain-sand-phytoplankton-key.html … smaller than a grain of sand, phytoplankton are key to aquatic health. They transform organic contaminants in water into less toxic chemicals. Cup a hand full of sea water in your palms and you will literally be holding a bustling world of single cell organisms. Thousands of them. Phytoplankton float around the world's oceans, enhancing water quality. They are a basic element of the ocean eco-system.
At https://phys.org/news/2021-11-paleontologists-debunk-fossil-thought-link… … in the evolutionary chain, we have been led to believe a legged snake of some kind, would represent a missing link between lizards and early slithering reptiles. A specimen thought to be that link has now come under attack. It is no longer the missing stepping stone, a long dreamed of the missing piece of the puzzle. It seems the idea is an evolutionary assumption as it is thought snakes are a member of a lineage of 4 legged vertebrates that lost their limbs. The research paper was published in the Journal of Systemic Palaeontology – https://doi.org/10.1080/14772019.2021.1983044