Otters may look adorable, but scientists say their poop is a goldmine of information. A new study from the Smithsonian Environmental Research Center in Edgewater, Maryland, found that otter poop, or ...

Cellulose, the major constituent of plant mass, is made up of long chains of sugar-like molecules, much in the same way that plastics are polymers made up of short repeating units. Cutting up these ...