Clogged Ketchup No More With MIT's 'LiquiGlide'

On Memorial Day, many of us flip burgers, spear hot dogs, and whack a ketchup bottle trying to coax a stubborn glob of the stuff out and onto the bun. Now, a team of scientists at MIT has decided that this ketchup-to-bottle adhesion is a problem that must be fixed. Melissa Block talks with doctoral MIT student Adam Paxson about a solution some researchers have developed.