Sure, okay, this might not be everything, but for those of us who don't understand the basics about our magnetic field, our core, our atmosphere, or the history of our Earth's land movements, this video can get you caught up in no time. The fact that the Earth has developed in such a way that life can survive is amazing: learn a little about how that happened! Note: watch for the hidden Tardis! If you'd like a longer lesson, check out the second video. It's a 36 min video, but arguably contains the same amount of information as the first video, so take your pick! The second video is much slower and easier to understand, so if you're watching with kids, I recommend it for sure. Either way, you'll learn a lot!