7. Apart from using water to test the freshness of an egg, there are other ways to tell if an egg Is fresh:
If the shell seems unusually thick, then it is fresh.
If the yolk stands really tall after you have cracked the egg, it is fresh.
If the yolk has wrinkles or dissolves into a puddle when you crack it open, then it is an old egg.
8. A chicken will lay bigger and stronger eggs if you change the lighting in a way to make her think a day is 28 hours long.