Richard Powers’ “The Overstory” is overturning a lot of conventional thinking. It’s been called “visionary” and “monumental.” And though human characters shape the plot of this 500-page epic, the real heroes are trees.More
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.More
