There are lots of semipermeable membranes in an egg. The strong brine draws out water via osmosis through these membranes. Since nothing is drawn in in any large quantity, the density of the egg drops. Once the egg is less dense than the brine, it floats.
I read this post a couple of days ago, and it has come to mind several times since. The flip side of saying I don’;t have time is my tendency to overbook myself,believing that really not having enough time is the only good-enough reason to say “;no.”; Thank you for reminding me that I can say “;no”; for whatever reason is true for me.