Dr Cosmides and Dr Tooby were among the first to break from the idea that the brain has evolved as a general-purpose problem-solving machine.

Dr Tooby and Dr Cosmides have found evidence to support the existence of such modules in areas of human relations such as the perception of fairness.

Tooby recalled, while still a student, using a Geiger counter to show a custodian that his household Chinaware was more radioactive than other objects nearby.