Mice deficient in the EDA protein lack normal tooth features. Restoring EDA in embryonic teeth at increasing doses has now been found to recover these dental features in a stepwise pattern that mimics ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

New studies shed light on ancient creatures' dental structure and wear -- and how these unique characteristics helped them live and adapt to their environments. A trio of published studies have ...

A newly discovered pair of stem cell lineages drives the formation of both tooth roots and the bone that anchors them. Understanding how these cells switch roles could pave the way for regenerating ...

Fossils reveal an ancient platypus species (Obdurodon insignis) that still had teeth, offering insight into how this unusual ...

New research reveals T. rex likely had lips, a departure from popular images of exposed teeth. This finding, based on tooth ...

The platypus is already a bizarre mishmash of features, an egg-laying, duck-billed, venomous, and semi-aquatic mammal. But 25 ...

Using an atomic-scale imaging tool on a sea creature's tooth, two Northwestern University researchers have peeled away some of the mystery of organic and inorganic interfaces in tooth and bone ...