Radioactive minerals in eggshells can help scientists pinpoint a fossil’s age with stunning accuracy. Scientists excavate dinosaur egg nests in Mongolia's Eastern Gobi Basin. National Geographic ...
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Giant 'cow of the Cretaceous' discovered almost 100 years ago identified as new duck-billed dinosaur
Scientists have discovered an enormous species of duck-billed dinosaur that lived in what is now New Mexico about 75 million ...
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