The latest surprise has to do with something akin to a pulse: “We’ve discovered that most trees have regular periodic changes in shape, synchronised across the whole plant and shorter than a day-night cycle, which imply periodic changes in water pressure,” New Scientist quotes Dr. András Zlinszky as saying.
Coghlan, Andy. 2018. Trees may have a ‘heartbeat’ that is so slow we never noticed it. New Scientist (20 April).
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