4 Vues· 11 Juillet 2022
What causes cavities? - Mel Rosenberg
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View full lesson: http://ed.ted.com/lessons/what....-causes-cavities-mel
When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can we avoid them? Mel Rosenberg takes us inside our teeth to find out.
Lesson by Mel Rosenberg, animation by Andrew Foerster.
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Film et animation
La musique
Animaux et animaux
Des sports
Voyages et événements
Gaming
Personnes et Vlogs
Comédie
Divertissement
Nouvelles et politique
Comment styliser
Conception & Créativité
Homes & Real Estate
Autos & Vehicles
Education
Science & Technology
Fashion & Beauty
Cooking & Foodie
TV & Drama
Products & Reviews
Health & Wellbeing
Brand & Premieres
Documentary
Local Business & Services
Autre
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