Most parents see lying as a cause for worry or reprimand. But some experts suggest lying at a young age could be a welcome sign of childhood development. So what does lying tell us about human cognition? For more information on this episode visit nationalgeographic.com/overheard
Read writer Yudhijit Bhattacharrjee's magazine story on why we lie, and what it says about us.
Watch: Why science says it's good for kids to lie.
Learn more about researcher Kang Lee's work.
Read about Charles Darwin's report on his son, Doddy.
Do you lie more or less than the average person? Take this quiz to find out.
Meet history's most notorious liars.
These are the best liars of the animal world.
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