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Health & MedicineDifferent berries, similar cancer-fighting effects
Animal tests suggest that esophageal and breast cancer might make good targets for several types of berries as dietary supplements.
By Nathan Seppa -
HumansFirst Mexican-American and African-American genomes completed
Studies hint that genetic diversity among Native Americans may rival that seen in some African populations.
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PsychologyTravelers have southern bias
Southern routes to a destination often get picked over same-distance northern routes, possibly because people equate north with “up.”
By Bruce Bower -
PhysicsBouncing beads outwit Feynman
Ratchet-and-pawl thought experiment whirs to life, extracting work from bouncing beads.