The biologist Edward O. Wilson has a new book, “The Social Conquest of Earth,” and it is already prompting sharp criticism from fellow scientists. Read more

The crowd, small but noisy, fixed eyes on Kathy Martin, the woman in last place. Early on, she was fifth in a pack of 11 runners, calmly moving in heavy traffic. She ran not only efficiently but also beautifully, her classic strides in perfect rhythm, a fluid parting of the empty air, almost balletic.
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