2min chapter

TED Radio Hour cover image

Listen Again: Migration

TED Radio Hour

CHAPTER

How Can a Single Teeth Tell the Story of My Life?

A single tooth can tell the story of my life. If you have native american or asian ancestry, the shapes of your teeth will be different tham people whose ancestors came long back from europe or from africa. And it's based on one simple idea, that you are what you eat. All the minerals and elements in the food,. like calcium, oxygen, sodium and salt, can tell us something about your diet. So we know if you like corn bread or white bread, if you prefer ork chicken, or if you really like sea food. There are other elements that tell us where that food came from. And that includes sulphur, stranium, oxygen and

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