A city on a grain of sand


A single grain of sand can host tens of thousands of micro-organisms.


A grain of sand under a fluorescence microscope. Bacteria can be seen in green.
A grain of sand under a fluorescence microscope. Bacteria can be seen in green.
Max Planck Institute for Microbiology

The surface of a single grain of sand can provide a home for as many as 100,000 bacteria, a bustling city of microbial life. And not only that: the thriving communities are also diverse, made up of members of thousands of distinct species.

A detailed study was recently published in the ISME Journal.

Explore #microbes
Curated content from the editorial staff at Cosmos Magazine.
  1. https://www.nature.com/articles/ismej2017197
  2. https://www.nature.com/articles/ismej2017197
Latest Stories
MoreMore Articles