William Dembski vs. Princeton Biologist Lee Silver

Princeton biologist Lee Silver, whose ideas on eugenics were promoted by Norwegian mass-murderer Anders Behring Breivik, debated intelligent design with Discovery Institute Senior Fellow and mathematician William Dembski at Princeton in 2005:

How Butterfly Wings Display Brilliant Colors

Ever wonder how butterflies flash brilliant colors from their wings? It’s not done with pigment. Instead, butterflies use a trick of light that sounds like something out of Star Trek: “photonic crystals.”