Trace the impact that not brushing or flossing can have on your teeth, gums, microbiome, and overall health over time. -- At any given time, your mouth is maintaining a delicate balance between hundreds of microbial species, which is why dentists agree that you should brush twice and floss once every day. But what if you just… didn’t? If you stopped doing any oral hygiene, how long would it take for your mouth to get messy? Justin Meritt investigates how not brushing can impact your health over time. Lesson by Justin Meritt, directed by Lee Oz, Eliška Oz, Oz Animation. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://t.ted.com/nlVpzFN Check out our merch: http://t.ted.com/upNeDi3 ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://t.ted.com/R7iMQzr Follow us on Facebook: http://t.ted.com/NKcsscO Find us on Twitter: http://t.ted.com

🇱🇾ٱڸالـ۾ــــــانێOct 29, 2026

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BenScottAug 6, 2026

Dig into the unique biology of saffron and trace humanity’s enduring obsession with the spice, dating back thousands of years. -- Spices are often far pricier proportionately than the foods they flavor. But one’s cost has long topped them all. Saffron’s red threads regularly run at rates of over 600 USD an ounce. So what is this so-called “red gold,” and what makes it so expensive? Carolyn Beans digs into the unique biology of saffron and humanity's enduring obsession with the spice. Lesson by Carolyn Beans, directed by Sarah Saidan. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Insta

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View full lesson: http://ed.ted.com/lessons/do-fad-diets-work-mia-nacamulli Conventional wisdom about diets, including government health recommendations, seems to change all the time. And yet ads routinely come out claiming to have THE answer about what we should eat. So how do we distinguish what’s actually healthy from what advertisers just want us to believe is good for us? Mia Nacamulli gives the facts on fad diets. Lesson by Mia Nacamulli, animation by Avi Ofer.

Kim Annie ✨Jul 3, 2026

You Are What You Eat

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