A number of days ago, while camping, I had a dream that my little brother told me about his pet rat dying. I remember thinking something about how he looked as though he was deliberately looking sad to show how upset he was, or something like that.

I forgot about this, and only remembered when I next saw him and he told me that his pet rat had died. Strange, yeah? But did I dream what was going to be happen because it was, or was it just a coincidence? Or do we perhaps dream a great...