Ig Nobel Prizes honor research that makes you laugh, then makes you think

Bob Carter chatted with Marc Abrahams, editor of "Annals of Improbable Research, " about the 2014 Ig Nobel prizes recently awarded at Harvard University. Research topics included the physics of stepping on a banana skin, the brain qualities of people who see Jesus in toast, and possible mental hazards of cat ownership. You can learn more about the Ig Nobels and the magazine here.