How much protein is in one egg?

A single large egg contains 6.3 grams of protein, distributed almost evenly between the white (3.6g) and the yolk (2.7g). That split matters: whites give you protein without fat, while the yolk's 2.7 grams come packaged with every fat-soluble vitamin in the egg. For context, a large egg delivers roughly the same protein as one ounce of cooked chicken breast, in a smaller package and with more nutritional complexity. Source: USDA FoodData Central.

Is cooked egg protein absorbed better than raw?

Yes. Your body absorbs approximately 91% of the protein in cooked eggs, compared to only 51% in raw eggs. Heat denatures egg proteins, unfolding them into forms that digestive enzymes can break down more efficiently. This is one reason food scientists use cooked egg protein as a benchmark in human nutrition research. Eating raw eggs is not only less safe due to Salmonella risk, it is also nutritionally less efficient. Source: Journal of Nutrition, 1998.

How did ancient Egyptians hatch eggs artificially?

Ancient Egyptians developed large-scale artificial incubation at least as early as the 4th century BCE using mud-brick ovens, some capable of holding up to 4,500 eggs at a time. Skilled operators maintained temperatures by experience and feel, achieving hatch rates that impressed Greek and Roman observers. The technique predates modern mechanical incubators by over two millennia and represents one of the earliest examples of industrial-scale animal husbandry. Source: Encyclopedia Britannica.

How many pores does an eggshell have?

A single eggshell contains between 7,000 and 17,000 microscopic pores. These pores allow gas exchange: oxygen passes in, carbon dioxide and moisture pass out. This is how a developing chick breathes before hatching. The same porosity that sustains embryonic development also means eggs absorb odors from their storage environment, which is why storing them near strong-smelling foods affects their flavor. Source: Poultry Science Journal.

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In many Latin American countries, eggs are stored at room temperature in grocery stores. Unwashed eggs retain a protective cuticle that keeps bacteria out — no refrigeration needed.

Source: FDA Food Safety Modernization Act; EU Egg Marketing Standards

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