Mori Rothman

Experimental research is aiming to help paralysis victims regain their sense of touch. Miles O’Brien reports on a project run by the Cleveland Functional Electrical Stimulation Center, which is a consortium of the Louis Stokes Cleveland VA Medical Center, MetroHealth Medical Center, Case Western Reserve University, University Hospitals of Cleveland, and the Cleveland Clinic Neurological Institute.

A new report out Monday warns that global temperatures will continue rising in coming decades, and that human activity is driving that increase. Those are among the conclusions reached by the U.N.'s Intergovernmental Panel on Climate Change. Michael Oppenheimer, a professor of geosciences and international affairs at Princeton University, joins William Brangham to discuss. William Brangham: A dire warning and a stark reality. Global temperatures will rise.