More than 100 years ago, a zoologist by the name of Herbert Spencer Jennings described surprisingly complex and varied avoidance behaviors in a single-celled freshwater protist known as Stentor ...

A microbiome is a community of microorganisms that inhabit an ecological niche. Microbiomes exist in both environmental biotopes, for example, a water body or forest soil - and in living multicellular ...

There are three domains of life: bacteria, archaea, and eukarya. Eukaryotic cells are more complex than bacteria, but there are single-celled eukaryotes, and those that don't fit into any other ...