A system of tubes containing a culture of microscopic algae in water is used to cool some of the hot components. (sciencemag.org)
Corals, the animals that famously build reefs, get most of their energy and color from microscopic algae that live inside their tissue. (scientificamerican.com)
Every spring, the Mississippi River funnels a rush of nutrients into the gulf that fuels an explosion of growth of microscopic algae called phytoplankton. (washingtonpost.com)