Word: fittest
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Through repeated design "generations" that the researchers likened to Darwinian evolution, their computer sought the "fittest" offspring--ones that could crawl the farthest in a given time. One creation shuffled along like a crab. Another left markings in the sand with its snakelike contractions. The best design turned out to be a pyramidal-shaped creature that pushed itself along with a shovel-like...
...Survival of the Fittest...
...rejects Darwin's survival of the fittest, Adam Smith's laissez-faire and Karl Marx's thesis of a natural antagonism between capital and labor, and focuses on the interdependence between...
HEALTH Where Americans are fattest and fittest, measured by obesity rates, exercise and number of fast-food joints...
...Fittest cities...