A dozen years ago, a guy named Paul started walking the earth and writing letters. This isn’t biblical though. It’s a NatGeo mashup of anthropology and slow journalism. Beginning in Ethiopia, he recently made it to the far North of the Americas. This travelogue isn’t any old walk mind you, but an effort to retrace the steps homo sapiens took out of Africa across the other major land masses that make up our terrestrial existence on our home planet. Every few months, I’ll poke my head into that...

A dozen years ago, a guy named Paul started walking the earth and writing letters. This isn’t biblical though. It’s a NatGeo mashup of anthropology and slow journalism. Beginning in Ethiopia, he recently made it to the far North of the Americas. This travelogue isn’t any old walk mind you, but an effort to retrace the steps homo sapiens took out of Africa across the other major land masses that make up our terrestrial existence on our home planet. Every few months, I’ll poke my head into that...