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Simple Bacteria Offer Clues to the Origins of Photosynthesis
Studies of the energy-harvesting proteins in primitive cells suggest that key features of photosynthesis might have evolved a billion years earlier than scientists thought.
The Thorny Truth About Spine Evolution
A definitive explanation for why plants evolved spines remains elusive, and human biases compound the problem.
The Secret Language of Plants
Striking evidence that plants warn each other of environmental dangers is reviving a once ridiculed field.