Hard as it may be to believe, you don’t actually need a shell to hatch a chick! Here’s a video that shows you how it’s done.
https://youtu.be/D6Wl2DrAwWI
Despite the claim that the high school students invented the process, it is well documented going back decades. Here are a couple of documents to prove it.
1993 Paper: Hatching Eggs Without a Shell
2014 Paper: Chick Embryos in Shell-less Culture
