Today In Pictures: Jan. 29, 2013

Retired Infantryman Brendan M. Marrocco uses his transplanted arm to brush his hair back during a news conference, Jan. 29, 2013, at Johns Hopkins hospital in Baltimore. Marrocco received a transplant of two arms from a deceased donor after losing all four limbs in a 2009 roadside bomb attack in Iraq. (Gail Burton/AP Photo)