Scientists, including biologist Robin Dubar, put widely held beliefs about attraction to the test. Dr. Randy Thornhill, a biologist at Albuquerque University, has found a strong relationship between beauty and symmetry in faces. Using a set of simple measurements, he can predict how attractive peopl

Scientists, including biologist Robin Dubar, put widely held beliefs about attraction to the test. Dr. Randy Thornhill, a biologist at Albuquerque University, has found a strong relationship between beauty and symmetry in faces. Using a set of simple measurements, he can predict how attractive people will find a face. Then, Dr. Devendra Singh shares his research on a mathematical formula of waist measurement versus hip size that men seem to prefer.