As Paul Salopek journeys around the world on foot, he will follow the migration pathways of our ancestors who walked out of Africa 50,000 years ago.

From Eden to the Edge: Reporter's Seven-Year Journey Traces Humanity


Starting in January 2013, Pulitzer Prize-winning journalist Paul Salopek will set out from Africa's Great Rift Valley on a seven-year, 21,000-mile journey, walking the path of ancient human migration. PBS NewsHour's Hari Sreenivasan talks to Salopek about his project.

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