Last week I finally caught the National Geographic series "Brain Games" on TV.  I think I have a pretty strong brain, so I thought I'd be up for the challenges that they show you.  I'll admit, I was stumped quite a bit, or rather tricked.  That's what the show is about, exploiting the weaknesses of your brain, but also helping you to train your brain. 

In case you haven't seen the show, here's the promo.

 

Now, I happened to stumble on a few cool tests that you can easily do in just 2 minutes or so.   It's fun!

This one totally got me and I really did have to look back and watch again.

This one I actually got correct.