It's been known for a while that some plants are able to communicate with each other through chemical signaling — but new research published in Trends in Plant Science now suggests that plants not only respond to sounds as well, they can also talk to each other, by making "clicking" sounds.
Plants like cabbage can emit a volatile gas, namely methyl jasmonate, that warns their vegetative brethren that a herbivore is in the ‘hood — annoying things like caterpillars or garden shears.
This got Exeter University scientist Monica Gagliano thinking that maybe other plants could perform a similar trick, but with sounds.
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