Intelligent design is not. Remembering this contrast should inspire scientists to defend their turf. At the core of the debate is the definition of science itself.

In 2004, the Dover school board ordered science teachers to read a statement ... to Darwin's theory of evolution called intelligent design–the idea that life is too complex to have evolved ...

Listen in as seven scientists, philosophers, and educators reflect on the essence of science, and why evolution qualifies while intelligent design does not. Play all or choose individual clips below.