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.

100+ Egg Facts That Will Crack You Up

Every egg holds a secret. Crack them open to discover fascinating facts about nature's most perfect food.

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animals

Sea turtles return to the exact beach where they were born to lay their eggs, navigating thousands of miles across open ocean using Earth's magnetic field.

Source: Current Biology, 2015 — 'Sea Turtle Navigation'

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Hummingbird eggs are the smallest bird eggs in the world. The bee hummingbird's egg is about 6mm long and weighs roughly 0.3 grams — less than a paperclip.

Source: Cornell Lab of Ornithology

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Chickens can recognize and remember more than 100 individual faces, including humans. They also have over 30 distinct vocalizations for different situations.

Source: Animal Cognition, 2005; Scientific American

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Seahorses are one of the only animals where the male gets pregnant. The female deposits eggs into the male's brood pouch, where he fertilizes and carries them for 2-4 weeks.

Source: Journal of Fish Biology

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The largest clutch size of any bird belongs to the grey partridge, which can lay up to 22 eggs in a single nest.

Source: British Trust for Ornithology

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records

China produces roughly 30% of the world's eggs — about 470 billion eggs per year as of 2022. That's approximately 340 eggs per person per year in China alone.

Source: FAO, FAOSTAT Database

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The world record for most hard-boiled eggs eaten in 8 minutes is 141, set by Joey Chestnut at the World Hard Boiled Egg Eating Championship in 2023.

Source: Major League Eating

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The largest omelette ever made weighed 6,510 kg (14,225 lbs) and was cooked in Ankara, Turkey in 2010. It used 110,000 eggs.

Source: Guinness World Records

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The most expensive egg ever sold at auction was the 1913 Rothschild Fabergé Egg, which fetched $18.5 million at Christie's in 2007.

Source: Christie's Auction House

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The record for the longest distance an egg has been thrown and caught without breaking is 98.51 meters (323 ft), set in Texas in 1978.

Source: Guinness World Records

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The record for the tallest stack of eggs is 4, balanced freestanding by Mohammed Muqbel in Yemen in 2021.

Source: Guinness World Records

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Global egg production reached approximately 93 million metric tonnes in 2022, having more than tripled since 1990.

Source: FAO, FAOSTAT Database

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