They're used in infographics, maps, charts and signs to help make crisis-related information easier to understand. See if you can understand what they convey.
The mayor of Cremona, Italy, blocked traffic during five weeks of recording and asked residents to please keep quiet so master musicians could play four instruments — note by note — for posterity.
NPR's Michel Martin spoke with correspondent Anthony Loyd of The Times about Shamima Begum, an ISIS bride who left home as a teenager and now wants to return.
President Trump says ISIS is close to eradicated and is asking European allies to take back ISIS fighters captured in Syria. We assess the remaining ISIS presence in Syria and Iraq.
Venezuela's poor were the beneficiaries of Chavez's Bolivarian socialist revolution. But 20 years later, they have little food and medicine and few jobs, eroding support for President Maduro.
German Chancellor Angela Merkel received a standing ovation for a speech that critiqued U.S. foreign policy. Meanwhile, U.S. Vice President Pence defended U.S. global leadership.
Some aid workers are being denounced as opposition activists and there are fears that all aid could be blocked. The situation could soon resemble a "medieval siege," warns an analyst in Caracas.
Thirty years after the Soviet withdrawal from Afghanistan, Russian veterans of that disastrous war muse on their service and the U.S. as it contemplates its own pullout.