Documentary on the migratory habits of birds across the seven continents.

"An illuminating examination of how the brain helps us to understand and navigate space-and why, sometimes, it doesn't work the way it should. Navigation is one of the most complex tasks our brains perform. And we do it countless times a day-as we drive across town to the airport, or traverse the maze of a supermarket, or walk within our own homes. But why is it that some people are lost on their own street and others can seamlessly navigate a new...