View full lesson: http://ed.ted.com/lessons/how-do-you-know-whom-to-trust-ram-neta

We believe a lot of things because we've been told - from our personal acquaintances and also experts. With so many belief systems being passed to us, how do we know whom to trust? Using contemporary examples, Ram Neta explains when listening to experts is a good idea...and when it's not.

Lesson by Ram Neta, animation by Colleen Cox.

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