This article founds its way into my inbox and I thought it was worth a share.
http://markmanson.net/the-secret
If you find articles like this too hard to understand, or too hard to explain simply to your kids, you can use this wonderful plugin extension app thingy called Too Long Didn't Read. It summarizes a few different ways depending on your settings. I find it helps confirm my understanding of the full article, or help when my brain is having issues.
Once you learn about confirmation bias you start to see examples of it everywhere. You can also see how this bias can be used to skew your worldview, or manipulate your news.