Can you really tell if a kid is lying? | Kang Lee

https://download.ted.com/talks/KangLee_2016-480p.mp4?apikey=172BB350-0008Are children poor liars? Do you think you can easily detect their lies? Developmental researcher Kang Lee studies what happens physiologically to children when they lie. They do it a lot, starting as young as two years old, and they’re actually really good at it. Lee explains why we should celebrate when kids start to lie and presents new lie-detection technology that could someday reveal our hidden emotions.