Afghan schoolgirls take lessons outdoors at a refugee camp near Jalalabad. Noorullah Shirzada/AFP/Getty Images hide caption
Nobel Peace Prize Nobel Peace Prize
Nobel Laureate Kailash Satyarthi has fought to end child labor in India, where 11 percent of the country's children work. In 2010, these children toiled at a construction site in New Delhi. Daniel Berehulak/Getty Images hide caption
Malala Yousafzai poses for photographs in New York. Yousafzai, who survived being shot by the Taliban because she advocated education for girls, has been been named one of two recipients for the 2014 Nobel Peace Prize. Frank Franklin II/AP hide caption
Russian President Vladimir Putin. Alexey Nikolsky/AFP/Getty Images hide caption
Edward Snowden, seen here in a photo provided by The Guardian, was nominated for the Nobel Peace Prize by two Norwegian politicians. AP hide caption
During her trip to Washington this week, Nobel Peace Prize nominee Malala Yousafzai met President Barack Obama, first lady Michelle Obama, and their daughter Malia Obama in the Oval Office. The White House/Getty Images hide caption
A United Nations vehicle carrying inspectors from the Organization for the Prohibition of Chemical Weapons (OPCW) leaves a hotel in Damascus, on Wednesday. Some 19 OPCW arms experts are in Syria and have started to destroy weapons production facilities. Louai Behara/AFP/Getty Images hide caption
Malala Yousafzai, 16, speaks in New York last month. Yousafzai was shot a year ago by the Taliban for her outspoken advocacy in favor of girls' education in Pakistan. She is considered one of the favorites for the Nobel Peace Prize, which will be announced Friday. Ramin Talaie/Getty Images hide caption
Malala Yousafzai addresses students and faculty after receiving the 2013 Peter J. Gomes Humanitarian Award at Harvard University in Cambridge, Mass., last month. Jessica Rinaldi/AP hide caption
Malala Yousafzai speaks after receiving the leadership in civil society award at the annual Clinton Global Initiative award ceremony in New York last month. Ramin Talaie/Getty Images hide caption
European Commission President Jose Manuel Barroso of Portugal during today's Nobel Peace Prize ceremony in Oslo. Nigel Waldron/Getty Images hide caption
Left to right: Nobel Peace Prize laureates President Ellen Johnson Sirleaf of Liberia, Liberian "peace warrior" Leymah Gbowee and Tawakkul Karman of Yemen.
AP hide captionNPR's Philip Reeves
If the Nobel Peace Prize is to go to someone involved with the Arab Spring, it may be difficult to choose who gets the award. Here, men celebrate in Tunis after President Zine El Abidine Ben Ali said he would not seek another term.
Fethi Belaid/AFP/Getty Images hide caption