Eggs are one of the most versatile foods in existence, but have you ever noticed that each one bears its own unique code?
If you've never spotted it, take a look at an egg's shell before you crack it and you'll notice that it sports a specific symbol and a series of letters and numbers.
While many like to joke that chickens are responsible for printing these codes when they lay their eggs, they are actually etched on by manufacturers - and for good reason. Despite being used for decades, people are still learning what these "egg codes" mean.
