Cell walls are a crucial structure of plant life, protecting cells from damage, giving plants shape, and containing ...

Bacteria fend off invading viruses with molecular scissors that slice up viral DNA—a system called CRISPR that's become ...

The sunlight-collecting organelles known as chloroplasts solve a packing problem: how to optimize photosynthesis without ...

Since a landmark 2009 study, researchers have known that a common gut bacterium, Bacteroides fragilis, drives colon tumor ...