Wrigley says its new Alert Energy Caffeine Gum gives consumers the power to control how much caffeine they get. Wrigley Incorporated hide caption
Food
Tuesday
American farms like this iceberg lettuce field owned by Duda Farm Fresh Foods outside Salinas, Calif., are facing a dwindling supply of farmworkers from rural Mexico. Kirk Siegler hide caption
Monday
What is a "tea blend?" Sasha/Courtesy of Adagio Teas hide caption
Berkshire pigs on Happy Hula Farm, a member of the Eden Farms collective. Amy Mayer/Iowa Public Radio hide caption
Saturday
Friday
Many believe that humanity's caffeine addiction has wrought a lot of good. istockphoto.com hide caption
Jerry Seinfeld knows what this is. Now Steve Inskeep does as well. Kevork Djansezian/Getty Images hide caption
Eduardo Somarriba is a researcher at the Center for Tropical Agricultural Research and Education in Turrialba, Costa Rica. Dan Charles/NPR hide caption
Thursday
The blue corn's just as tasty as the red corn, but it's not what the locals like. Erica van de Waal/Science hide caption