A tiny 'ice mouse' with teeth the size of sand grains survived some of the coldest temperatures when dinosaurs roamed the Earth

A tiny 'ice mouse' with teeth the size of sand grains survived some of the coldest temperatures when dinosaurs roamed the Earth

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None Researchers found fossil teeth of a tiny shrew-like animal that lived in freezing temperatures. • None It lived in what's now Alaska among a slew of dinosaur species. • None With teeth the size of mustard seeds, they were tiny, and their fossils are easy to miss. Over 70 million years ago,…

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