What is changing ? need details please
<span>A it can be expressed in 1-3 WORDS </span>
Some scientists look into outer space while others look elsewhere. Georg Steinhauser looked into his bellybutton and discovered what the lint found there contains and its possible purpose. Mostly made of fabric bits and dead skin, it is most likely used to keep germs and other things out.
It is logical to me to assume that it is all of the above.
