I feel like I already knew this somehow. I'm sure I wanted to discover this as a child and cut a root during winter so that I could see if it healed. more lik

I feel like I already knew this somehow. I'm sure I wanted to discover this as a child and cut a root during winter so that I could see if it healed. more likely I probably put the end of a root into some water with food coloring in it and came back later to see that food coloring had moved up the root.