Egg Freshness Test I eat too many eggs for them to ever go bad, but this sure is good to know. I got so excited when I saw this, I dug into my fridge to test it for myself. My eggs seemed to be 4-6 days old — good enough! You’re probably wondering how this works, and yes, there is some science behind it. Eggshells are porous, allowing air to slowly get in over time. As more air enters the egg, it gets lighter and lighter, which explains why it will eventually float. Store Ice Cream In A Bag A plastic freezer bag keeps the cold air from making your ice cream rock hard. If you like straight spoons and soft ice cream, this trick is worth the extra step! Try to push out as much air out of the bag as you can before putting it in the freezer. Rolling Citrus Fruit If you roll while applying a bit of pressure to your citrus fruits (lemons, limes, oranges, etc.), you will get so much more of that yummy juice. Coat Cups With Non-Stick Spray When...