Need that last summer party trick? Here's a quick and easy one for your Labor Day get-together.So I was goofing around on YouTube when I ran across Mark Rober. He has a whole channel of really cool tricks, science secrets and even some costume ideas. I had to research this guy a little more. According to his Facebook page he describes himself as "Spaceship engineer. Purveyor of random ideas. Lawn bowler... in reverse order."

Check out the video below to see how to "skin" a watermelon. And subscribe to Mark Rober's Youtube Channel.