The Hidden Life of Trees: What They Feel, How They Communicate — Discoveries from a Secret World

by Peter Wohlleben

The electrical impulses that pass through the roots of trees, for example, move at the slow rate of one third of an inch per second.

When you know that trees experience pain and have memories and that tree parents live together with their children, then you can no longer just chop them down and disrupt their lives with large machines.

The fact trees can recognize saliva is, incidentally, evidence for yet another skill they must have. For if they can identify saliva, they must also have a sense of taste.

Scientists have determined that slow growth when the tree is young is a prerequisite if a tree is to live to a ripe old age.

Simard injected into a birch tree radioactive carbon that moved through the soil and into the fungal network of a neighboring Douglas fir.