Human beings are good at many things, but thinking about our species as a whole is not one of our strong points.


How Many People Can Live on Planet Earth? (BBC Horizon, 2009)


Human beings are good at many things, but thinking about our species as a whole is not one of our strong points.

Human beings are good at many things, but thinking about our species as a whole is not one of our strong points.

Human beings are good at many things, but thinking about our species as a whole is not one of our strong points.

Human beings are good at many things, but thinking about our species as a whole is not one of our strong points.