CAN PEOPLE communicate with trees? In order to answer this question, we first have to take a closer look at what we mean by “communicate.” It is not enough that we consciously or subconsciously eavesdrop, so to speak, on the scents trees use to communicate among themselves. We have a physical reaction when we breathe them in, but for communication to happen, the trees also need to react to our signals. In the past, I have categorically refused to admit that this might be possible...
...Let’s take a moment to consider tree communication using the methods of modern science. Trees transpire chemical compounds. We are subconsciously aware of these compounds and we respond with changes in blood pressure. The tree, for its part, is unaware of our response—after all, we are not in contact with the tree in any way. And even if we hug the tree and talk of electric fields, which is one way we could mutually affect each other (because plants, like us, function partially by transmitting electric signals), there is still one huge obstacle: time. Trees, as we all know, are awfully slow. You can multiply the time it takes you to make contact with the tree by ten thousand to find out when you can expect a response.
If electrical impulses within the tree travel at a maximum speed of less than half an inch (1 centimeter) per second, and you make contact with the bark as you hug the tree, you could indeed get an answer right away. At least you could if the signal is processed at the point of contact, but that is something we do not know.
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