Summary: Trees talk to each other, and even form alliances with other trees or other species. Some are incredibly old — the root mass of aspens might live 100,000 years. In this hour, we explore the science and history of trees. Guests: <a href="https://www.ttbook.org/people/mark-hirsch" target="_blank">Mark Hirsch</a>, <a href="https://www.ttbook.org/people/richard-powers" target="_blank">Richard Powers</a>, <a href="https://www.ttbook.org/people/suzanne-simard" target="_blank">Suzanne Simard</a>, <a href="https://www.ttbook.org/people/amos-clifford" target="_blank">Amos Clifford</a>, <a href="https://www.ttbook.org/people/daegan-miller" target="_blank">Daegan Miller</a>
