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Human cells filmed instantly messaging for first time Cells tugged in one direction sent biochemical signals in the opposite direction in the form of a signature pattern of fluorescent lightResearchers at UCSD and UC Irvine have captured on video for the first time chemical signals that traverse human cells in response to tiny mechanical jabs, like waves spreading from pebbles tossed into a pond. The scientists released the videos and technical details that explain how the visualization effect was created as part of a paper published in the April 21 issue of Nature.
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