Learn more about the gene linked to the evolutionary loss of human tails, and how, in rare cases, some people are still born with them.

Human tails, manifesting as caudal cutaneous appendages, have long intrigued clinicians and anatomists alike. These structures, which may be either vestigial remnants of embryonic development or ...

Add Yahoo as a preferred source to see more of our stories on Google. As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of species over the course of ...

In July, researchers in the United Kingdom published a code of practice on how human stem cells should be used to mimic embryo development in the laboratory. This code was produced by a working ...