*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. A chimp at the Cognitive Evolution Group research center, New Iberia, La., in "Surviving Progress." First Run Features photo The ...
When Neanderthal hunters learned to drive one or two mastodons off a cliff, the tribe ate well for weeks. When they stampeded the whole herd over a cliff, the tribe's own survival was threatened. That ...
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