Sugar: Hiding in plain sight – Robert Lustig

Trace the history of popcorn, from its origins in the Americas to its explosion of popularity in the 20th century.

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Soft percussion and a toasty scent mark the violent transformation of tough seeds into cloud-like puffs. This is the almost magical process of popcorn-making. Dozens of kinds of popcorn are now grown in the US, with different strains assuming distinctive shapes when their kernels explode. So, how did we actually end up with this whimsical food? Andrew Smith traces the history of popcorn.

Lesson by Andrew Smith, directed by Mitchelle Tamariz.

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Dig into how rice became a staple in the world’s diet, and the surprising consequences of its traditional production practices.

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Rice contributes over 20% of the calories consumed by humans each year. Korean bibimbap, Nigerian jollof, Indian biryani, Spanish paella, and countless other culinary masterpieces all begin with rice. So how did this humble grain end up in so many cuisines? Carolyn Beans investigates the global expansion of this beloved crop and the unintended consequences of its popularity.

Lesson by Carolyn Beans, directed by Na Na Na Studio.

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A special thanks to Michele Reba who provided information and insights for the development of this video.

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Is it possible to lose weight fast— in a healthy way? Dig into how different forms of dieting affect your body.

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In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren’t usually this extreme, they do promise similar results; specifically, losing weight fast. So, are there any fast diets that do work? And are any of them actually healthy for you? Hei Man Chan investigates.

Lesson by Hei Man Chan, directed by Avi Ofer.

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View full lesson: http://ed.ted.com/lessons/how-sugar-affects-the-brain-nicole-avena

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine — an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.

Lesson by Nicole Avena, animation by STK Films.

View full lesson: http://ed.ted.com/lessons/how-the-food-you-eat-affects-your-brain-mia-nacamulli

When it comes to what you bite, chew and swallow, your choices have a direct and long-lasting effect on the most powerful organ in your body: your brain. So which foods cause you to feel so tired after lunch? Or so restless at night? Mia Nacamulli takes you into the brain to find out.

Lesson by Mia Nacamulli, animation by Private Island.

Dig into the dangers of common kitchen appliances, and find out which could be the most hazardous to your health.

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Between 2011 and 2022, the deadliest kitchen appliances in the US were ovens and ranges; taking lives by causing fires and leaking carbon monoxide. These kinds of sudden, catastrophic fatalities are thankfully rare. But the kitchen dangers that cause the most casualties may actually be less immediate, and more gradual. George Zaidan explores the safety of common kitchen appliances.

Lesson by George Zaidan, directed by Anastasiia Falileieva, Studio Plastic Bag.

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A special thanks to Jeff Siegel and Ashlinn Quinn who provided information and insights for the development of this video.

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