Sauropods were one of the most successful groups of dinosaurs to ever walk the Earth. New research helps explain why. Stocktrek Images/Getty Images hide caption

The latest release of James Brown's music, Get Down with James Brown: Live at the Apollo Vol 4, was recorded in 1972 — and finally released this year. Courtesy of the artist hide caption

Dr. Forster Amponsah is one of two surgeons at the Koforidua Regional Hospital in Ghana. Trained in Cuba, he came home because he felt his skills were needed in Africa. Jason Beaubien/NPR hide caption

An independent paper owned by billionaire Russian businessman and Brooklyn Nets owner Mikhail Prokhorov — shown here Jan. 11 in New York — is under fire, but the Kremlin says it's not applying pressure on media. Seth Wenig/AP hide caption

Pop singer Sara Bareilles (right) shares a moment with Jessie Mueller, star of the new Broadway musical Waitress, for which Bareilles wrote the score. Pamela Hanson /Courtesy of the artist hide caption

Jeffrey Heffernan, a 20-year veteran of the Paterson, N.J., police force, was demoted after picking up a campaign sign for the city mayor's opponent. Dale Wetzel/AP hide caption

A social studies class at Campton Elementary School in Wolfe County, Ky. Elissa Nadworny/NPR hide caption

Prince performs at the Grand Palais in Paris on Oct. 11, 2009. Whoever ends up running his estate will face some tough decisions about how to handle his musical legacy. Bertrand Guay/AFP/Getty Images hide caption