Holly Barker is a freelance journalist based in London who primarily covers stories related to psychology, neuroscience, and the natural world.

This is a schematic representation of a bacterium "crawling" on a surface. This image relates to an article that appeared in the Oct. 8, 2010, issue of Science, published by AAAS. The study ...

There are 4 stages of biofilm formation: initial attachment, followed by irreversible attachment, maturation, and dispersion. The matrix is made by the microorganisms within the biofilm throughout ...