Migration
TED Radio Hour
00:00
How to Study the Bones of Migrants Today
Your body tells stories in lots of ways. With modern people, you can look at your teeth. Your bones are forming continuously. So if I stop for a second, you just form some new bone cells. They'll contain records of different things at different parts of your life. And think, you know, your hair grows pretty fast. An inch of hair growth might have a snapshot of a month of my life. Scientists can actually do things like look for extreme stress and malnutrition. That's recorded by some of the elements. It might be able to look at combinations of food because people are doing that to try and understand missing persons today.
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