Secret life of trees: how they talk to each other - BBC World Service

Beneath every forest and wood there is a complex underground web of roots, fungi and bacteria helping to connect trees and plants to one another. Subscribe - This subterranean social network, nearly 500 million years old, has become known as the “wood wide web“. Now, an international study has produced the first global map of the “mycorrhizal fungi networks“ dominating this secretive world. Watch more videos about amazing trees here: Find out more on the Wood wide web: And check out more science animations on our channel: Website: Twitter: Facebook: