THERE’S dinosaur lurking inside your average chicken. And it has just been re-awoken by a group of scientists in the United States. TAKE one chicken embryo. Control which proteins are active. Warm a ...

The team from the University of Tsukuba has developed an artificial culture system to directly observe embryonic development. In this approach, researchers place a chicken embryo, without its shell, ...

Although embryonic stem cells (ESCs) have been successfully derived from mice and rats, efforts to establish chimeric and germline-competent ESC lines in species beyond rodents have been unsuccessful.