Plankton make up 98 percent of the biomass of ocean life and provide half of the oxygen on the planet. Scientists are working to figure out how climate change may be affecting these important microorganisms. M. Ormestad/Tara Oceans hide caption

itoggle caption M. Ormestad/Tara Oceans

Vice President Richard Nixon listens as Sen. John F. Kennedy talks during their televised presidential race debate. This photo was made from a television screen in New York, Oct. 21, 1960. AP hide caption

itoggle caption AP

Dr. Mindy Lahiri (Mindy Kaling) must juggle a variety of responsibilities as an obstetrician-gynecologist in the new comedy The Mindy Project. Jordin Althaus/Fox hide caption

itoggle caption Jordin Althaus/Fox

Charlie Morris, 91, says he was at school in 1939 when he found out his brother was dead. For 10 years, his hatred consumed him and plagued his body with mysterious ailments. "When I began to forgive, there was all the answers to my illness," he says. StoryCorps hide caption

itoggle caption StoryCorps

Adams is also currently starring in Trouble with the Curve as a lawyer with the makings of a pro baseball scout. Warner Brothers hide caption

itoggle caption Warner Brothers

Dr. Vanessa Kerry talks with her father, Sen. John Kerry, before he delivers a speech on health care in Boston. Chitose Suzuki/AP hide caption

itoggle caption Chitose Suzuki/AP

Entomologists Alma Solis and Jason Hall specialize in moths and butterflies, respectively. Marty Ittner/Friends of Sligo Creek hide caption

itoggle caption Marty Ittner/Friends of Sligo Creek

Bob Dylan's Tempest features 10 new songs with many feisty, baffling, sometimes beautiful moments. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

In Boardwalk Empire, Margaret Schroeder (Kelly Macdonald) is married to corrupt political boss "Nucky" Thompson (Steve Buscemi.) Macall B. Polay /HBO hide caption

itoggle caption Macall B. Polay /HBO

A Syrian rebel fires toward a position held by regime forces during clashes in the northern city of Aleppo on Sept. 14. Marco Longari/AFP/GettyImages hide caption

itoggle caption Marco Longari/AFP/GettyImages

Chico's story mimics the stories of many Cuban musicians who left Havana and arrived in New York City in the 1940s — a time when musicians like Charlie Parker and Dizzy Gillespie were starting to emerge. Luna Films hide caption

itoggle caption Luna Films