■ Correction: Because of a reporting error, a story about plant consciousness in last Sunday’s Ideas section incorrectly described Charles Darwin’s book, “The Power of Movement in Plants.” It was his second-to-last book.
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■ Correction: Because of a reporting error, a story about plant consciousness in last Sunday’s Ideas section incorrectly described Charles Darwin’s book, “The Power of Movement in Plants.” It was his second-to-last book.