Ideas of unguided macroevolution rely on a certain habitual vagueness. As an example, Center for Science & Culture research director Brian Millers offers the case of the development of the eye.

On a new episode of ID the Future, he talks with Sarah Chaffee about the concept of fitness terrains and the insurmountable difficulty thereby posed for any detailed Darwinian account of eye evolution.

For evolution, the devil is always in the details. Listen to the fascinating discussion here, or download the podcast here.

Photo: Eye of a golden eagle, by Peter Kaminski [CC BY 2.0], via Wikimedia Commons.