Researchers discover that bacteria break down medicinal compounds for their nitrogen, solving a mystery that has vexed aquatic veterinarians for years.
Molecules, cells, or vertebrates—when individuals move and act as a single unit, surprisingly complex behaviors arise that hint at the origins of multicellularity.
Scientists discover a third fungus that is widespread in lichens, but it’s not clear yet whether it’s a partner in the algal-fungal symbiosis or a bystander.