Featured series 
Tag: Christopher Marx
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Nation & World
When timing is everything
In a new paper, Christopher Marx, associate professor of organismic and evolutionary biology, says that beneficial mutations may occur more often than first thought, but many never emerge as “winners” because they don’t fall within the narrow set of circumstances required for them to dominate a population.
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Nation & World
It doesn’t add up
An important new finding by Harvard researchers indicates that cellular mutations responsible for an organism’s successful adaptation do not, when combined over time, provide as much benefit as they would individually be expected to provide.
