Army Spc. Jerral Hancock sits for a portrait with his son Julius. It is believed that Hancock was trapped under the wreckage of his Army tank in Iraq for half an hour before he was rescued. Courtesy of David Jay/Unknown Soldier hide caption

itoggle caption Courtesy of David Jay/Unknown Soldier

A memorial honors Staff Sgt. John Henry McCarthy on the corner of Commonwealth Avenue and Colborne Road in Boston. Jesse Costa/WBUR hide caption

itoggle caption Jesse Costa/WBUR

Families peruse the belongings left behind by DePauw students. Stan Jastrzebski hide caption

itoggle caption Stan Jastrzebski

Haneen Radi, an Arab Israeli, wants to organize a marathon for her town of Tira, but was told the run couldn't include women. When she insisted, she received threats, and the back window of her car was shot out. Emily Harris/NPR hide caption

itoggle caption Emily Harris/NPR
Maria Fabrizio for NPR

Surfer Alexis Gazzo (left) is helping train specialized lifeguards who will survey the waters around popular beaches in Reunion for sharks. Shark attacks have gone up sharply along the coast of the Indian Ocean island, with seven people killed in recent years. Emma Jacobs for NPR hide caption

itoggle caption Emma Jacobs for NPR

Auschwitz survivor Eva Kor sits in a courtroom in Lueneburg, northern Germany, on April 21, 2015. She testified at the trial of 93-year-old former Auschwitz guard Oskar Groening. Julian Stratenschulte/AP hide caption

itoggle caption Julian Stratenschulte/AP

In this Nov. 6, 2003, file photo, Jerry Stiller and his wife Anne Meara pose on the set of The King of Queens, at Sony Studio in Culver City, Calif. Meara, whose comic work with Stiller helped launch a 60-year career in film and TV, has died. She was 85. Jerry Stiller and son Ben Stiller say Meara died Saturday, May 23, 2015. Stefano Paltera /Associated Press hide caption

itoggle caption Stefano Paltera /Associated Press

The Speck air quality monitor costs $200, but is available to all through Pittsburgh's public library system. Carnegie Mellon University CREATE Lab hide caption

itoggle caption Carnegie Mellon University CREATE Lab

The new African Burying Ground Memorial Park was dedicated on Saturday in Portsmouth, N.H. Emily Corwin/NHPR hide caption

itoggle caption Emily Corwin/NHPR

Princeton University professor John Nash speaks during a news conference at the university in Oct. 1994 after being named the winner of the Nobel Prize for economics. Charles Rex Arbogast/AP hide caption

itoggle caption Charles Rex Arbogast/AP

Defense Secretary Ash Carter testifies on Capitol Hill in Washington, earlier this month. In an interview on CNN today, Carter complained that Iraqi forces lacked "the will to fight" the self-declared Islamic State. Manuel Balce Ceneta/AP hide caption

itoggle caption Manuel Balce Ceneta/AP