There are seven billion humans on Earth, spread across the whole planet. Scientific evidence suggests that most of us can trace our origins to one tiny group of people who left Africa around 70,000 years ago. In this five-part series, Dr Alice Roberts follows the archaeological and genetic footprint...
First Air Date: 2009-05-10
Last Air Date: 2009-06-14
Status: Ended
Number of Seasons: 1
Number of Episodes: 5