6 years ago
How Insulin Helped Create Ant Societies
Ants, wasps, bees, and other social insects live in highly organized “eusocial” colonies where throngs of females forgo reproduction—usually viewed as the cornerstone of evolutionary fitness—to serve the needs of a few egg-laying queens and their offspring. How they got that way has been hard to explain despite more than 150 years of biologists’ efforts. Many researchers have thought the answer would come down to a complex suite of genetic changes that evolved in species-specific ways over a long time.
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