Mountains Discovered Deep Within Earth's Mantle

Data from an enormous earthquake in Bolivia showed mountains at the base of the mantle's transition zone, located 660 kilometers below our feet. These mountains may be bigger than anything on the surface of the Earth.

Brisa de Angulo Fights for Children Rights in Bolivia

Brisa de Angulo: At age 17, I started the only program in the entire country of Bolivia for children who have been sexually abused.