Season Highlights ~ How Climate Changes Brought Us Together (with Kristen Hawkes)

In this highlight from season 1, Kristen Hawkes presents an intriguing hypothesis about the human past. According to Hawkes, ancient climate changes pushed our ancestors away from the rainforests. On the savannas, teamwork was finally rewarded.

For more notes and links, see the original episode 6 (Are Grandmothers the Key to Our Evolutionary Success).