NOT KNOWN FACTUAL STATEMENTS ABOUT FUN SCIENCE EXPERIMENTS AT HOME

When a stale egg floats, it does so as the water is Keeping it up. If a stale egg floats in pure water it should be much less dense in comparison to the water itself, while a clean egg that sinks have to be additional dense as opposed to water. Can you think why a stale egg could be less dense than the usual new egg?It is perfect for Studying about