Displaced Palestinians seek shelter in the courtyard of a United Nations-run elementary school in Jabaliya, a northern Gaza town, in July 2014 — shortly before the school was hit by what the UN says was Israeli artillery. Israel has opened a criminal investigation into the attack. Emily Harris/NPR hide caption

Steaks on the grill at the Mercado del Puerto in Montevideo. So far there are no figures that show if the table salt ban, which was enacted a few years ago, is actually making a difference in Uruguayans' health. Travel Aficionado/Flickr hide caption

To study the draft Trans-Pacific Partnership language, senators have to go to the basement of the Capitol and enter a secured, soundproof room in this hallway and surrender their mobile devices. Ailsa Chang/NPR hide caption

This aerial view shows the effects of gold mining on Peru's rain forest. Courtesy of Gregory Asner, Carnegie Institution for Science hide caption

Jars of Terressentia bourbon wait for final production. Terressentia uses a process to artificially "age" its bourbon in a few hours, forgoing traditional aging, which takes years. Courtesy of Terressentia hide caption

Watching Joan (Christina Hendricks, left) and Peggy (Elisabeth Moss) navigate the sexism of a 1960s ad agency is part of what has kept audiences hooked on Mad Men. MIchael Yarish/AMC hide caption

The Minnesota Orchestra under the direction of conductor Osmo Vanska (center) performs during a concert at the Cuban National Theater in Havana on Friday. Yamil Lage/AFP/Getty Images hide caption