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Deep inside the caves of El Castillo and La Pasiega, our early ancestors were experimenting with a language we take for granted today: graphic communication.
Farmers Keith and Holly suspect oil production waste water has contaminated their almond orchard.
Correspondent Francesca Fiorentini sits down for an eye-opening interview with Salvadoran Women’s Rights Activist, Morena Herrera.
Origins: The Journey of Humankind
Gender Revolution: A Journey with Katie Couric
Original Sin: Sex
Before the Flood
Water & Power: A California Heist
The Big Picture with Kal Penn
T. rex Autopsy
Watch your favorite National Geographic Channel shows the day after they air.