Lines of voters wait to cast their ballots as the polls open in St. Petersburg, Fla., on Nov. 6. Edward Linsmier/Getty Images hide caption

Daniel Riscoe, Jenna Hart, Anthony Chau and Caroline Lloyd (all students from the Peddie School in Hightstown, N.J.) carry donated Christmas trees across Island Beach. Adam Cole/NPR hide caption

Brash ad man Rene Saavedra (Gael Garcia Bernal) brings a youthful, positive energy to a campaign aimed at ousting a dictator in the political drama No. Sony Pictures Classics hide caption

Nour Kelze, a 25-year-old from Aleppo, Syria, was teaching English at a private school when the uprising started two years ago. Since then, she has learned to be a war photographer and has been sending photos to the Reuters news agency. Stephanie Freid/Courtesy of Nour Kelze hide caption

Some sports supplements contain the ingredient DMAA. The FDA has warned that DMAA may not be safe. iStockphoto.com hide caption