Like most mammals, humans are diphyodont: We have two sets of teeth – baby teeth and adult teeth. The technical term for our baby teeth is deciduous teeth because they fall out, the same way deciduous ...

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A 400-million-year-old jawed fish fossil found in the Arctic, Romundina gagnieri, could be a key link in the evolution of ...

Nathan Kessel’s pets keep shapeshifting into other animals, creating nonstop confusion and fun. Lainey Wilson checks in on Nashville at Grammys Enormous freshwater reservoir discovered off the East ...

The “mesozoic cow” was a dinosaur with hundreds of ever-replacing teeth. Here’s how its uniquely adapted skull allowed it to graze like cattle on low vegetation.

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Truffles, which come in many guises, not just those regarded as delicacies by humans, are the fruiting bodies of fungi—the underground equivalents of mushrooms. Unlike mushrooms, however, they cannot ...

Teeth and bones are both hard, white and heavy with calcium, but that doesn't make them one and the same. From the way they look to how they heal, teeth are quite different from the body's bones.

Living their full lives underground, naked mole-rats are more than just a pretty face. Discover cool facts about these ...