We all know that fossils help scientists know more about what happened on Earth in the past. But there's something else that gives us clues to our planet's history that's much smaller. It's called sedimentary DNA, and though it's not as flashy as a big ol' dinosaur bone, it's just as important. Learn more about it in the video below.
Is There DNA in Dirt?
In Search of Fossil Fish
Written by Curiosity Staff March 4, 2017
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