Mosaic trisomy 8 is a rare genetic condition caused by an extra chromosome. Sometimes called trisomy 8 mosaicism, this condition develops well before birth.

You know how sometimes you see those videos where people are asked to name countries starting with a specific letter, and they totally blank? It's tougher than it looks, right? Most of us can name ...

Whether it's war, natural disasters or overtourism, these previously popular worldwide destinations have become off limits to visitors.