Exploring the who, what, where, why, and how of life on Earth, popular YouTube channel Life Noggin fascinates its hundreds of thousands of subscribers with fun, accessible videos answering everything from “How Many People Can The Earth Hold?” to “What’s Hiding Deep Within The Ocean?” They also like to speculate, tackling a number of “What Ifs” along the way, so you can know what would happen if, say, Jupiter didn’t exist (spoiler alert: none of us would exist, either). Taking on high-minded concepts with low-tech, 8-bit graphics, Life Noggin gives YouTube viewers an easy way to learn in short spurts. Perhaps what is most amazing is how much knowledge and research they cram into every 3-4 minute video.