Fully booked at the bottom of the sea: There seems no room for new bacteria on sand grains

Whether summer or winter, midnight sun or polar night, the sand on the ocean floor is always inhabited by the same bacteria. Although the microbial communities differ between different ocean regions, they do not change between the seasons. Presumably, there is simply no room for change. Researchers now describe this phenomenon in a new study.

from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/07/210721102349.htm