How a molecular motor moves in a network

A new study determines the efficiency of a single-molecule heat engine by considering a series of ratchets that transfer energy along a network.

Blamed for fouling the environment, polyester may help save it

More than a decade ago, jet-lagged textile expert Juan Hinestroza landed in Xintang, China, and took a walk near a large creek. He noticed the water was a strange color—indigo blue, from highly toxic dyes, pigments and ...

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