HITCHHIKER A microscopic diatom latches onto a tiny plastic piece from the Sargasso Sea (colors added).
E.R. Zettler/Sea Education Assoc., False color by E. Otwell
This raspberry leaf (in a closeup, colorized electron micrograph) is covered in a biofilm of bacteria and fungi. Rosmarinic acid may keep bacterial visitors from overtaking a plant.
Stefan Diller/Science Source
Campbell Soup Company, maker of SpaghettiOs, has declared its support for mandatory labeling of GM foods. There are lots of challenges in labeling guidelines when there’s no single definition of a GMO.