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![[INTERACTIVE ANIMATION] Live Wind Map Shows Flow Patterns | Science News | Scoop.it](https://img.scoop.it/RA4ZBITgoTW_ZK5stuwGnDl72eJkfbmt4t8yenImKBVvK0kTmF0xjctABnaLJIm9)
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An invisible, ancient source of energy surrounds us—energy that powered the first explorations of the world, and that may be a key to the future. This map shows you the delicate tracery of wind flowing over the US right now. 
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If humans became immortal, the species would be at a biological disadvantage, says evolutionary biologist Andre Martins of Brazil's University of Sao Paolo. In a computer simulation which pits an immortal species against one which prunes its population, the species that grows old "can drive immortal competitors to extinction," writes Martins. "This counter-intuitive result arises from the pruning caused by the death of elder individuals. When there is change and mutation, each generation is slightly better adapted to the new conditions."
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