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Life & Evolution

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E. coli colony

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.

DNA robot illustration

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.

worker honeybee

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.

Life & Evolution

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