Put the egg in the water—if it sinks, it's good; if it floats, it's too old.) The science behind this is that as eggs age, the shell becomes more porous, allowing air to flow through.

it's still perfectly good to eat. If the egg sinks, but stays upright, it's also still okay to eat, but it is an older egg and should be used soon. If the egg floats straight to the top of the ...

While cookware is often costly, we found a trusty 8-inch nonstick frying pan with such impressive quality that shoppers say eggs practically float off the surface—and it’s on sale for just $10 ...

Simply give your eggs a good sniff. If they’re bad ... If the egg does not sink to the bottom and instead floats on the top, it’s too old to be eaten safely and should be composted or discarded.