"A Wave of Reason" is the seventh instalment in the Symphony of Science music video series. It is intended to promote scientific reasoning and scepticism in the face of growing amounts of pseudoscientific pursuits, such as Astrology and Homeopathy, and also to promote the scientific worldview as equally enlightening as religion. It features Carl Sagan, Bertrand Russell, Sam Harris, Michael Shermer, Lawrence Krauss, Carolyn Porco, Richard Dawkins, Richard Feynman, Phil Plait, and James Randi.