
What causes yolks to be different colours?

What is the nutritional value of an egg?

How do eggs get to my grocery store?

Can you tell me why some eggs in the carton, are stamped , and some are not ? Is it safe to eat the eggs that are not stamped ?
How are eggs stamped?
If you get your eggs graded how do you get them back to sell?
My are are floating, are they still good?
My recipe calls for room temperature eggs, is this safe? How long can an egg be out of refrigerator and still be safe?

Canada A on the cartons doesn't guarantee Canadian eggs. Some cartons are not marked Product of Canada. How do I know they're from Ontario?