On food and Cooking Hens devote 25% of their daily energy to creating eggs. In a year of laying she will convert eight times her body weight into eggs.
It takes 25 hours to go from germ cell in the overlay of laying an egg.
Children shouldn’t have egg whites until they are 1 so that they don’t become allergic
Egg whites become tender at 65C and start to overcook at 80C. Liquids and sugar can alter these temperatures
Horrible grey ring around hard boiled eggs is where iron from yolk meets the sulfur from cooked egg white