Have you ever heard a science story on the news where they mention how old something is then ask yourself “how do they know that?”

How is it possible to tell the age of something with any degree of certainty when there was no one around millions or billions of years ago?

Well, there are answers to those questions.

Learn more about radiometric dating, and how we can measure the age of objects and the Earth, on this episode of Everything Everywhere Daily.
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