From ants to people, an instinct to swarm: Researchers are discovering simple rules that allow thousands of animals to form a collective brain able to make decisions and move like a single organism. An article on stress, pain, and Paris Hilton: A cardboard cutout of the reality show star reveals a curious gender difference in mice. Facts prove no match for gossip: Why do we gossip? Evolution may hold some surprising answers. A review of Evolution (in Action): Natural History Through Spectacular Skeletons by Jean-Baptiste de Panafieu and Patrick Gries. The evolution of creationism: After their notorious legal defeat, intelligent design proponents are resurfacing with insidious new assaults on science. Here are five bad evolutionary designs. The real culture war in science isn't about science at all

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