Signal Discovery?

A Los Angeles scientist says living cells may make distinct sounds, which might someday help doctors "hear" diseases

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Gimzewski hopes the work will have a practical application, but he's thrilled as much by the hunt as the catch. "Whatever the outcome," he says, "I'm primarily driven by curiosity and excitement at the phenomenon of cellular motion—what inspired nature to create such a mechanism and to really understand in depth what these beautiful sounds mean." The mere possibility that he's discovered a new characteristic of cells, with all the intriguing questions that raises, is, he says, "already more than enough of a gift."


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