With an injection of nanoscale devices as fine as grains of pollen, two biotechnology researchers have given mice the ability to detect near-infrared light—something long believed possible only for a few animals including certain snakes, insects and bats, along with humans using special equipment. One of the scientists, Gang Han, a biochemist at the University of Massachusetts Medical School, calls the experimental rodents “Super mice.” The team reported their results Thursday in Cell.

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