Mass extinctions may not threaten distant futures, but they are decidedly unpleasant for species caught up in the throes of their power.

The world is full of signals that we don't perceive.

Something deep within us drives accurate messiness into the neat channels of canonical stories.

The invalid assumption that correlation implies cause is probably among the two or three most serious and common errors of human reasoning.

Precise adaptation, with each part finely honed to perform a definite function in an optimal way, can only lead to blind alleys, dead ends, and extinction.

'Creation science' has not entered the curriculum for a reason so simple and so basic that we often forget to mention it: because it is false, and because good teachers understand exactly why it is false.

The absence of fossil evidence for intermediary stages between major transitions in organic design, indeed our inability, even in our imagination, to construct functional intermediates in many cases, has been a persistent and nagging problem for gradualist accounts of evolution.