TANGLY TENDRILS This colony of E. coli bacteria gets its wrinkly look thanks to tendrils of cellulose that it uses to build a supertight, sticky web. A new view of microbes’ cellulose shows how it’s different from the kind found in plants.
RAPID ROTATION A robot made entirely of DNA can rotate its arm (purple) 360 degrees or lock it down in certain positions thanks to special latches (yellow) on the bot's platform.
C. Bickel/Science 2018
BEE COLD CASE Just what caused sudden disappearances of honeybees (a worker bee shown) about a decade ago is still a matter of scientific debate.