I Thought the White String in My Egg Was Something Dangerous—The Truth Completely Surprised Me

egg white is a sign of a very fresh egg. The carbon dioxide hasn’t had time to escape through the shell membrane. As the egg ages, the white becomes clearer.

Double yolks. This happens when a hen releases two yolks at once, or when a single yolk divides. Double-yolk eggs are completely safe and considered lucky in some cultures.

Greenish or dark eggs.continue reading …