It sounds too good to be true so it's probably not true.
But just for 5 minutes or so I'm going to indulge in believing it could be true, then tommorrow I may have a look-see and try to figure out what they are talking about again
Congratulations, Clare; you've just insulted every identical twin in existence. You've also insulted every mother, for having a placenta to nurture the baby. Identical twins are clones of each other, and every placenta is a clone of the baby it nurtures. Cloning is nothing new, either; anyone...
It's probably just dying skin. Innie bellybuttons don't get clean like the rest of the body in showers, because water and soap usually run around or over it. Try cleaning it with your finger when you're in the shower every day for the next week or so, and that should get all the dead skin and...