A construction worker clears wood from a platform that spans the Penn Station railroad tracks in New York City on Nov. 18. Construction jobs rose by 20,000 according to the November jobs report. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP

The Phi Kappa Psi fraternity house at the University of Virginia in Charlottesville, Va. The fraternity was at the center of gang-rape allegations published in Rolling Stone magazine. The magazine said Friday that there were "discrepancies" in its reporting. Steve Helber/AP hide caption

itoggle caption Steve Helber/AP

Life online is all about sharing images. Being able to share medical images would make health care a lot easier, patients say. Science Photo Library/Corbis hide caption

itoggle caption Science Photo Library/Corbis