This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!

    7 Amazing YouTube Channels To Explode Your Brain

    Binge watch this. Energize your neurons with youtube's wealth of amazing video shorts on science, math, music, and history. All from your friendly neighborhood conductor.

    1. Augment your Grey Matter with CGP Grey

    Via youtube.com

    Enjoy answers to questions you never thought to ask like, "how many countries are there?"

    2. Kick it old school with ViHart

    View this video on YouTube

    youtube.com / Via youtube.com

    She does the whole thing with markers. Markers! Watch one of ViHart's videos on fractals or dodecaphonic music and you'll be prepared to marry her just like the rest of her rabid fans.

    3. Supercharge your history knowledge with this playlist from Crash Course

    Via youtube.com

    Course Crasher John Green teaches you the history of the world in 42 episodes of Crash Course.

    4. Watch all the pretty shiny over at Smalin

    View this video on YouTube

    Via youtube.com

    Who is Stephen Malinowski? When the videos are this great, does it matter? See classical music in a whole new light, or see it in ten thousand whole new lights with these amazing music visualizations.

    5. Buff Up on your Sciences with SciShow

    Via youtube.com

    Here's a playlist on physics fundamentals.

    6. Get the inside scoop with The Brain Scoop

    View this video on YouTube

    Via youtube.com

    As they say on their channel, "The possibilities are endless! We're going to film ALL OF THE THINGS!"

    7. Spend a minute catching up with MinuteEarth

    View this video on YouTube

    youtube.com / Via youtube.com

    Not to be confused with middle earth. That's where the hobbits live.