In this TED Talk, ecologist Suzanne Simard summarizes her three decades of research into tree communication. Her experiments demonstrate that trees can share resources and information through underground fungal networks. These interactions also allow them to look out for one another, sharing resources when certain trees are under stress, or immature trees are at risk.

This is fascinating stuff—particularly when Simard explains how trees of different species communicate and share resources. Check it out:

Check out the TED site for a full transcript.

[h/t: Kottke.]