It’s ancient, unstoppable and strangely contagious. Here’s what science now knows about the humble yawn, and why evolution ...

The human body is full of evolutionary compromises. The loss of the tail may be one of the clearest examples of how change ...

The human body is a machine whose many parts—from the microscopic details of our cells to our limbs, eyes, liver and brain—have been assembled in fits and starts over the 4 billion years of our ...

In Part One of this series, we saw that culture doesn't suffer from the problem that Darwin's theory of natural selection successfully solved: the problem of how change accumulates in biological ...

The British geneticist Steve Jones has recently given a lecture at University College London entitled “Is human evolution over?” His answer to his own question is in the affirmative. I agree with ...