Nina Martinez has become the first living HIV-positive organ donor. Above, Martinez is pictured with her surgeon, Dr. Dorry Segev of the Johns Hopkins University School of Medicine.
Johns Hopkins Medicine
Women and children evacuated out of the last territory held by Islamic State militants wait to be screened by U.S.-backed Syrian Democratic Forces (SDF) in the desert outside Baghouz, Syria, on Feb. 27.
Shotzy Harrison in 2013 with her father, James Flavy Coy Brown, at StoryCorps in Winston-Salem, N.C. Not long after, Brown, then 49, left his daughter's home and she hasn't seen him since.
A tornado-damaged house is seen March 4 in Beauregard, Ala. Rescuers in Alabama were set to resume search operations Monday after tornadoes killed 23 people, uprooted trees and caused "catastrophic" damage to buildings and roads."The devastation is incredible," Lee County Sheriff Jay Jones told the local CBS affiliate late Sunday.
Tami Chappell/AFP/Getty Images
The Verge'sCasey Newton reported on the high-pressure work of Facebook content moderators. "Almost everyone I spoke with could vividly describe for me at least one thing they saw that continues to haunt them," he tells NPR's Scott Simon.
Iain Masterton/Getty Images/Canopy
Thanks in part to his original songwriting, singing and guitar-playing, Physics doctoral student Pramodh Senarath Yapa beat out the remaining entrants to win this year's "Dance Your Ph.D." contest.
Courtesy of Matthias Le Dall