"Regressive evolution," or the reduction of traits over time, is the result of either natural selection or genetic drift, according to a study on cavefish by researchers at New York University's ...

that natural selection is not the only mechanism of evolution. And he grew exasperated with scientists who overlooked his point. Traits can evolve by genetic drift, for example, as no more than ...

it means that there are opposing forces at the heart of evolution. Complex structures and behaviour such as eyes and language are undoubtedly the product of natural selection. But when selection ...

Let us tell you that the theory of evolution by natural selection was first formulated in Darwin's book "On the Origin of Species" in 1859. It is explained that organisms change over time as a ...

Evolution can be defined as the change in the frequency of a phenotype in a population over many generations. Mutations can be inherited if they occur in DNA that is passed on to the next ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

But future research by geneticists provided the mechanism and additional evidence for evolution by natural selection Darwin chose the term "natural selection" to be in contrast with "artificial ...

New research at the University of Tokyo has mapped the evolution and process of natural selection of Escherichia coli (E. coli) bacteria in the lab. These maps, called fitness landscapes ...