Longreads Best of 2020: Science and Nature

All through December, we’re featuring Longreads’ Best of 2020. We’ve searched through our archives to find the science and nature stories that take you into ancient forests, through dark swamps, to the bottom of the sea, and right up into the stars.
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The Social Life of Forests (Ferris Jabr, The New York Times Magazine)
Old-growth forests in North America are like something out of a fairytale — huge trees, luminescent with moss, with boughs arching above your head, and “gnarled roots” beneath your feet, “dicing in and out of the soil like sea serpents.” And, as Ferris Jabr discovers in this story, the magic of these trees goes beyond what we see — with intricate fungal networks weaving them together into an inclusive community that links “nearly every tree in a forest — even trees of different species.” This is a fascinating piece that shows you these giant sentinels are more than you expect — more than just individuals.
Jabr goes into the forest with Suzanne Simard, a professor of forest ecology at the University of British Columbia who has studied these systems and proved “a dynamic exchange of resources through mycorrhizal networks” between the two species of paper birch and Douglas fir. Her work has provoked a certain amount of controversy: “Since Darwin, biologists have emphasized the perspective of the individual … the single-minded ambitions of selfish genes.” Simard is proving this is not what is happening in old-growth forests; they are “neither an assemblage of stoic organisms tolerating one another’s presence nor a merciless battle royale: It’s a vast, ancient and intricate society.” And trees are not just interacting with each other, “trees sense nearby plants and animals and alter their behavior accordingly: The gnashing mandibles of an insect might prompt the production of chemical defenses … Some studies have even suggested that plant roots grow toward the sound of running water.”
A forest operating as a complicated, sharing society is a powerful notion. Not only does it garner more respect for this ecosystem, but it could prove that cooperation is as central to evolution as competition: “Wherever living things emerge, they find one another, mingle and meld.” Read more…
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