The toothlike structures represent a step toward bioengineered replacements for dental implants, say researchers behind the work.

Photograph of some of the cloud rat fossils. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the ...

The best known is probably the naked mole rat, whose hairless, tubular, wrinkled body makes it appear a bit like a tiny walrus—or perhaps a bratwurst with teeth. Naked mole rats are rodents ...