EPA review of new chemicals slows

It's been six months since Congress made major changes to the Toxic Substances Control Act , the law that governs the use of chemicals in industrial and household products in the U.S. One unanticipated outcome of the overhaul is a backlog of new chemicals waiting to be reviewed by the Environmental Protection Agency. Chemical manufacturers are up in arms about the delays, claiming EPA's slowness is impeding their innovation.

Obama welcomes 4 Nobel Prize laureates, minus Dylan

President Barack Obama with the 2016 American Nobel Prize winners in the Oval Office of the White House in Washington, Wednesday, Nov. 30, 2016. With Obama are from left, Oliver Hart, Laureate of the 2016 Nobel Prize in Economic Sciences, from Harvard University, F. Duncan M. Haldane, Laureate of the 2016 Nobel Prize in Physics from Princeton University, Sir J. Fraser Stoddart, Laureate of the 2016 Nobel Prize in Chemistry from Northwestern University, and J. Michael Kosterlitz, Laureate of the 2016 Nobel Prize in Physics, from Brown University.