The 2010 census form has a box to check for race, but what do the categories mean? Some scientists say thereâ??s no biological basis for dividing people into races. Others say race can be an important marker for disease. Ira Flatow and guests look at the science of race.
Interviewed: Pilar N. Ossorio, associate professor of law and bioethics, University of Wisconsin, School of Law and School of Medicine, Madison, Wis. (Audio.)