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Speaking Point: Have you ever wondered why some egg shells slide easily off a hard-cooked egg while others are difficult to peel? Surprisingly, the answer goes against everything you know about food.

Speaking Point: 1. Age is Key: This is when fresh is NOT best. That is, the fresher the egg is before boiling, the more difficult it’ll be to separate the shell from the egg. According to the USDA, eggs contain an air cell at the large end of the shell between the shell membranes. As a fresh egg ages, it slowly releases moisture and carbon dioxide through the pores in the shell. This causes the egg to shrink in size which enlarges the air cell and makes the shell easier to peel. For this reason, choose older eggs for Easter coloring or for recipes that require lots of peeling.

Speaking Point: 2. Test for Freshness: To test an egg for freshness, see if it’ll float in water. The older egg will be more buoyant due to the larger air cell. It is still safe to eat unless it has an unpleasant smell when you crack open the shell.

Speaking Point: 3. Hard-cooked Eggs Spoil Faster: Eggs have a protective coating on the shell that is washed away when hard cooked. Without the coating, bacteria can enter the pores in the shell and contaminate the egg. Be sure to refrigerate a hard-cooked egg within two hours of cooking and eat it within a week.

Speaking Point: 4. Shell and Yolk Color: Egg shells vary in color — from brown and white to even blue and green. The breed of the hen determines the color of the egg. Although eggs may look different on the outside, their nutritional content is similar. The type of feed that chickens eat affects the color of the yolk. For example, the more yellow corn a chicken eats, the more yellow the yolks.

Speaking Point: 5. Laying an Egg: A hen can lay an egg almost daily. Amazingly, the entire time from ovulation to laying is 25 hours. Within 30 minutes of laying, the hen will begin making the next one!

Speaking Point: 6. The Green Ring: If overcooked or cooked at too high a temperature, a hard-cooked yolk may form an unappetizing green ring around it. This is caused by the sulfur and iron compounds in the egg reacting on the yolk's surface. The green is safe to eat. A high amount of iron in the cooking water can also cause the green ring.

Speaking Point: 7. How to Hard Cook an Egg: Contrary to what's become known as a "hard-boiled egg", never boil eggs. Boiling affects the protein in the egg white and makes the white rubbery. For the perfect hard-cooked egg:

Speaking Point:

PLACE eggs carefully in a saucepan (single layer, uncovered).

ADD enough cold water to cover the eggs with at least one inch of water over the tops of the shells.

ADD a tablespoon of vinegar. (If any eggs crack while cooking, the egg white will solidify when it touches the water and seal up the crack.)

HEAT on high only until the water starts to boil. Immediately turn off heat.

REMOVE from the burner.

COVER pan. Let eggs STAND in hot water for 20 minutes.

DRAIN water immediately.

COOL under cold running water and add some ice cubes to stop the eggs from continuing to cook.

REFRIGERATE.