Studying how neural crest cells journey through the embryo, this Caltech developmental biologist has revealed how they form major cell types, including peripheral neurons, bone, and smooth muscle. In ...

Some researchers examined prehistoric fossils and some tweaked the question a little bit, but everyone came upon the same ...

Since then, however, many investigators have unearthed molecular evidence that the genes involved in odontogenesis (tooth development) are indeed retained in chickens. A primary step in reaching ...