Stay Human – Michael Franti’s New Powerful Documentary

There’s a moment early on in Michael Franti’s brilliant new documentary “Stay Human,” where he ponders the struggle we often face between feeling pessimistic about life and maintaining hope in our divisive, conflicted world. How do we thwart cynicism and encourage optimism he wonders?

Amazing Geometry of Stonehenge

The builders of Britain’s ancient stone circles like Stonehenge were using Pythagoras’ theorem 2,000 years before the Greek philosopher was born, experts have claimed.