As kids, my brother and I use to have paper airplane competitions with our cousins. My design was always the same and it always fell flat as soon as it was thrown. Turns out, there is a science to making the perfect paper plane.
John Collins broke the Guinness world record for the farthest distance flown by a paper airplane in 2012. Collins has studied aerodynamics and origami to ensure his planes are made perfectly. Take a look at this step-by-step tutorial. If only I had seen this when I was a kid.
Here's the one of the best paper airplane tosses of all time.