How much do you know about the world? Hans Rosling, with his famous charts of global population, health and income data (and an extra-extra-long pointer), demonstrates that you have a high statistical chance of being quite wrong about what you think you know. Play along with his audience quiz — then, from Hans’ son Ola, learn 4 ways to quickly get less ignorant.

Truth Grows from the Earth
What is “The Search for Truth”? Is it a prize to win? Or a mountain to climb? What if truth isn’t something you find — but something that grows? Learn how Truth itself grows when you tend to it — like a gardener helping his garden to flower.

Who’d’a’thought?