Former NASA engineer and YouTube phenom Mark Rober is making science the life of the party. Growing by 3M+ subscribers to cross the 5M mark in 2018, Mark’s mind-blowing videos bring a whole new level of cool through mad scientist ingenuity. Mark ended the year on a high note, posting “Package Thief vs. Glitter Bomb Trap,” a video that earned him 54M views to date, becoming his second most popular of all time. With a tongue-in-cheek moniker “I'm a fan of simple, creative design,” Mark’s larger than life accomplishments are inspiring a whole new generation of budding scientists through fun, out-of-the-box pursuits.