Kids and teens should get two to three quarts of water per day, via food or drink, research suggests. iStockphoto hide caption

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José Moncada, 16, signed up for a summer youth employment program in New York City. He said hopes to earn enough to help his family, which lives on less than $30,000 a year. Kaomi Goetz for NPR hide caption

itoggle caption Kaomi Goetz for NPR

About one-third of black and Hispanic teens say they're online just about all the time, compared with about 1 in 5 whites, a new study says. 27 Studios/Getty Images hide caption

itoggle caption 27 Studios/Getty Images

This human-scale lab rat cage is parked near a skate park in Denver, Colo., to make a point about the lack of science on marijuana. Richard Feldman Studio/Sukle Advertising and Design hide caption

itoggle caption Richard Feldman Studio/Sukle Advertising and Design

Lenox Mall, in the Buckhead neighborhood of Atlanta, used to be the site of a country home estate and is now a traditional indoor mall with two anchor stores. Madeline Veira/Youth Radio hide caption

itoggle caption Madeline Veira/Youth Radio