They say that you are what you eat. Would you change your eating habits, or at least your favorite snacks, once you knew what they’re actually made of?

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Are 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.

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We mostly see a company’s logo as an eye-catching combination of lettering and imagery. However, there is much more to a logo than just that. A single look at a logo can build a certain mental image of the brand it stands for. A logo can tell us a story behind a brand.

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Have you ever felt like you’re talking, but nobody is listening? Here’s Julian Treasure to help. In this useful talk, the sound expert demonstrates the how-to’s of powerful speaking — from some handy vocal exercises to tips on how to speak with empathy. A talk that might help the world sound more beautiful.

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What do you put your shopping items in? Does this happen to be a convenient plastic bag you get at a checkout? Have you ever wondered what happens with the bag once you put it in a bin?

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