Every few years, the Olympics roll around to prove that, yes, the world’s best athletes can jump farther, swim faster, and generally crush records that would’ve been impossible just a few decades ago. Take ski jumping - the world record has increased by well over 200 meters in fewer than 100 years. Responsible for this is a lot of intentional engineering of equipment and hills, but perhaps the biggest change is thanks to one act of human daring. Watch to find out how!