Old information has given some shocking new insignts into human development. Human embryos in varying stages of development have given researchers a new look at humanity.
We know as much about some of our developmental areas as we do about the surface of mars, and in fact, we may actually know more about Mars, but that is changing. New tools are now allowing us to look at the development that takes place in human babies and to allow us to see where we came from, what kind of development takes place, when it takes place and may help us to prevent some types of birth defects too.
Read more about the story at https://www.sciencenews.org/blog/growth-curve/database-provides-peek-human-embryo-first-weeks?tgt=nr