This undated photo provided by Alabama Department of Corrections, shows James Osgood, who was convicted of capital murder for the 2010 rape and murder of Tracy Lynn Brown, in Chilton County, and ...

New research shows that while many cloth and medical masks fall short against tiny ... masks (e.g., KN95s, KF94s), and respirators, including 3M N95 Aura 1870+ and Vitacore CaN99, were compared ...