The path to a more nutritious pizza, lit by laser beams

New York City has been known for its pizza for decades, but now a surprising oven innovation is attracting new attention. At Columbia University, a lab is crafting ways to improve nutrition by 3-D printing pizza to precise dietary specifications -- and cooking it with laser beams. Science producer Nsikan Akpan shares this first-hand look at how engineers are lighting up new ways to cook a slice.