Video - Why do people have blue eyes?

Can brown-eyed parents have blue-eyed children?

Originally, everyone had brown eyes. Today, it is estimated that 20 to 40 per cent of population (in Europe) have blue eyes. How did that happen? It wasn't apparently until about 10,000 years ago that blue-eyed people started to appear. Where did those people come from? And can brown-eyed parents have blue-eyed children? The following video explains it all :-)