Shanghai pedicurist Ju-wen Zu and NPR's Aarti Shahani talk, aided by a translation app that may change the way we travel abroad forever. Aarti Shahani/NPR hide caption

The American Iron and Steel Institute is one of the trade groups that wants Congress to undo the stronger safety regulation enacted in 2016 by the Occupational Safety and Health Administration. michal-rojek/Getty Images/iStockphoto hide caption

Raúl De Nieves' billboard-size Biennial contribution, beginning & the end neither & the otherwise betwixt & between the end is the beginning & the end, is made from everyday material like tape, paper, glue and beads. Matthew Carasella/Courtesy of The Whitney Museum hide caption

A girl in a park in Managua, Nicaragua. The country topped the list for gains in happiness. Nicolas Garcia/AFP/Getty Images hide caption

A tribal leader from the Rukban camp tries to get help for children from Raqaa who were separated from their parents, who were allowed into Jordan two years ago after their father became ill. Jane Arraf/NPR hide caption

The Edicule in Jerusalem's Church of the Holy Sepulchre is traditionally believed to be the site of Jesus' tomb. A $4 million restoration project, led by a Greek team, has cleaned and reinforced the structure. Sebastian Scheiner/AP hide caption

For three years recreational pot has been legal in Colorado, but using it in public is still against the law. That will change this summer when pot cafes are slated to open. Brennan Linsley/AP hide caption

Comedian Iliza Shlesinger's comedy is physical — she contorts, snorts and stalks the stage in her new special, Confirmed Kills. Timothy Hiatt/Netflix hide caption