How 'useless’ quirks of evolution actually support Darwin's theory. An evolutionary spandrel is a physical structure or behavioural characteristic that is a by-product from some other functional ...

For example, the theory of evolution predicts that there should be a relationship between a fossil type and the geological layer in which the fossil is found.

One hundred and ninety-nine years after Charles Darwin was born, and 149 years after he published On the Origin of Species, some scientists say that the theory of evolution is due for a revision.