Caves Host Gooey Biofilms Built by Methane-Eating Bacteria Scientists try to understand the composition of snottites, which are collections of bacteria named for their resemblance to boogers.

Although bacteria are unicellular and may be freely swimming in water or crawling on sediments, in many environments they live in clumps called biofilms. Biofilms are groups of bacteria that grow on a surface and huddle together by sticky carbohydrates READ MORE