Ancient fish illuminates one of the mysteries of childhood

Remember dropping your milk teeth? After a lot of wiggling the tooth finally dropped out. But in your hand was only the enamel-covered crown: the entire root of the tooth had somehow disappeared. In a paper published in Nature, ...

A non-proliferative signaling center kicks off tooth development

Despite extensive research on the molecular regulation of early tooth development, little is known about the cellular mechanisms driving morphogenesis prior to enamel knot formation. In a recent study, published with a spotlight ...

Research to answer a 'crushing' evolutionary question

Studying the physical features of long-extinct creatures continues to yield surprising new knowledge of how evolution fosters traits desirable for survival in diverse environments. Placodonts are a case in point—specifically, ...

Hominins may have been food for carnivores 500,000 years ago

Tooth-marks on a 500,000-year-old hominin femur bone found in a Moroccan cave indicate that it was consumed by large carnivores, likely hyenas, according to a study published April 27, 2016 in the open-access journal PLOS ...

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