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Sound Garden: Can Plants Actually Talk and Hear?

Sound is so fundamental to life that some scientists now think there's a kernel of truth to folklore that holds humans can commune with plants.

March 13, 2013
7:20 AM EDT
A Ponderosa Pine needle scanning electron microscope image. The xylem (in red) embolizes as the leaves get more dehydrated. a) hydrated (-112ºF); b) hydrated at room temperature with epifluorescence microscopy; c) dehydrated; and d) severely dehydrated. | Dan Johnson, Duke University
Monica Gagliano, plant acoustics researcher. | University of Western Australia

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