As biologists know, nature can take its sweet time explaining itself. Andrew Gillis, associate scientist at the Marine Biological Laboratory (MBL), has been investigating how the paired fins of fishes ...
at the head trunk boundary with a common skeletogenic competence in the ~S19/20 skate embryo. (B) Anatomical structures that derive from this field of Disclaimer: AAAS and EurekAlert! are not ...