Ooo also, you can tell if an egg is finished boiling by spinning it - if it spins fast, its hard boiled. If it spins slow, its uncooked...
Since we're sharing random egg facts
I did this to test some eggs I had that were 4 days after it was marked to go bad. My husband saw and asked what I was doing when I told him he looked at me like I was some kind of wizard. Lol my family been doing this for years. Ever since the depression. My great grandmother raised chicken for the eggs.
The shell contains microscopic air holes that's meant to be for the baby chick, but because there's no baby in there, it starts oxidising like any other food
Since we're sharing random egg facts