Which is hanging a lot on the poor old theory of natural selection.

He is best known for proposing a theory of natural selection.

In the 19th century, the theory of natural selection was considered heretical.

Darwin did much more than propose the theory of natural selection.

More important is Huxley's own attitude to the theory of natural selection.

He apparently does not believe that the theory of natural selection suffices.

A sexual selection theory must explain why both sexes are intelligent.

Their research showed that the standard theory of natural selection - Darwin's big idea - works perfectly well.

Darwin's theory of natural selection applies to business and recruitment.

Broadbent's filter model is an early selection theory of attention.