Triceratops bone carbon-dated to just 30,000 years old?
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The bone was 68 million years old, and conventional wisdom about fossilization is that all soft tissue, from blood to brains, decomposes. How do scientists know the bones are really 68 million years old? Today's knowledge of fossil ages comes primarily from radiometric dating, also. Radiometric dating relies on the properties of isotopes. This means that isotopes with a short half-life won't work to date dinosaur bones.
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