Molecular evolutionary biologist Masatoshi Nei says Darwin never proved natural selection is the driving force of evolution — because it isn't. In a cavernous concert hall, before an eager audience of ...

Directed evolution definition: Directed evolution is a laboratory method that engineers proteins, enzymes and other biomolecules by applying repeated cycles of genetic diversification followed by ...

“Where are all the genetic cures?” asks Denis Noble, a frustrated biophysicist, Royal Society fellow and pioneer of the field of systems biology. “They don’t exist. Where will they be? They won’t ...

Finding a place for "chance" in evolutionWhen we encounter the forms and mechanisms of living things, we ask, "What is the use of this?" Bird wings are useful for flying, and fish gills are useful for ...

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Evolution describes changes in inherited traits of populations through successive generations. To fully understand the science of ecology, one must first be able to grasp evolutionary concepts. Aa Aa ...

Here’s what you’ll learn when you read this story: In the 1960s, Kimura’s neutral theory revolutionized molecular biology by arguing most DNA changes are random, not adaptive. A new study finds ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal escapes predators, the strongest plant produces more seeds, and the most ...

Most of us know that as living things evolve, they take on traits that help them thrive in their home environments. But how are certain traits "chosen" for future generations, and how are others cast ...

Between 1831 and 1836, Charles Darwin circumnavigated the globe as the naturalist for the renowned HMS Beagle. Darwin's task, as far as Britain was concerned, was to discover and describe flora and ...