Learn more about the Islamist group Boko Haram.
Boko Haram has terrorized northern Nigeria regularly since 2009, attacking police, schools, churches and civilians, and bombing government buildings. At least 5,000 people have died at Boko Haram's hands, according to a U.S. Congressional Research Service report, making it one of the world's deadliest terrorist organizations.
Many foods that you think have health benefits may hold hidden dangers for your diet.
Brad White/Getty Images
Few celebrities can contend with Thursday's 50-year-old birthday boy Charlie Sheen when it comes to spectacular public meltdowns. Take a look at Sheen other stars who have fallen from grace.