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What's Hot This Week First Guidelines for Lab Chimps Drawn Up Wynne Parry, LiveScience Senior Writer New guidelines may mean the end to some projects that use chimp as subjects. Dreams Do Discriminate: Racial Makeup Mimics Real Life Stephanie Pappas, LiveScience Senior Writer Do you dream in (skin) color? Sponsored by: Europe's Particle Physicists to Plan New Future Strategy 7 Things That Will Make You Happy