We don't know what a tree is (and this video won't tell you)

It turns out that defining what is and isn't a “tree” is way harder than it seems. LEARN MORE ************** To learn more about this topic, start your googling with these keywords: Wood: A bunch of cellulose fibers intertwined with lignin usually found in the trunk of a tree. Trunk: A wooden stem that thickens over ti

Written by MinuteEarth