Lack of Signal Is Not a Lack of Information

In his book No Free Lunch, Bill Dembski demonstrated that no evolutionary algorithm is superior to a random search. Yet many animals catch prey with what appears to be a random walk through a noisy environment. How do they do it?

A biologist and a mathematician from the University of Florida tackled the problem of modeling animal search behavior. Publishing in PNAS July 9, Hein and McKinley noted that "Many organisms locate resources in environments in which sensory signals are rare, noisy, a...