# Proof That Some Infinities Are Bigger Than Others

The always-excellent Vi Hart (previously) gives one of the most engaging explanations of multiple infinities we've come across in some time.

# Exploring Fractals with Dragons and Dungeons

In her two latest videos, maths-maven Vi Hart shows us how to draw fractals freehand, creating Koch curves, dragon curves, and eventually THREE DIMENSIONAL DUNGEONS – all with a little clever doodling.

# Think you know all there is to know about paper snowflakes? You pitiful, pitiful fool.

You have much to learn, dear reader. Settle in — it's arts and crafts time. Let math-craft-wunderkind Vi Hart expand your mind with this captivating tutorial on snowflakes, starflakes, and swirlflakes.

# Using Science For Optimal Gravy Coverage

There are those who like to drown their Thanksgiving dinner in gravy, and those who like to keep it sequestered to their mashed potatoes. And if you find yourself in that latter group, Vihart has put together a fantastic tutorial on how you can maximize your gravy coverage with the optimal potato arrangement.

# Thanksgiving Onion Rings Get More Mouth Watering With Math

There's no better topping for a green bean casserole than crispy fried onions. But when you're serving up a matherole, you need something more cerebral as a garnish. And Vihart has just the thing with a recipe for borromean onion rings.

# A Green Bean Matherole Sounds Deliciously Educational

If you like your Thanksgiving dinner guests to walk away with brains as full as their bellies, YouTube's favorite mathematician Vihart serves up a side of learnin' with your annual feast.

# Introducing the Hexaflexagon's delicious offspring, the Flex Mex burrito

Sure, the Hexaflexagon is fascinating all by its lonesome, but does it have any practical uses? Vi Hart shows us how to us the the multiple surfaces provided by the folding, flipping mathematical marvel to form a make a delicious concoction of beans, cheese, and guacamole. It's brilliant, if a bit messy.

# Have you met the hexaflexagon? If not, it's high time you did.

Last week, YouTube's resident mathematical mind-blower, Vi Hart, introduced many of us to the topological wonder that is the hexaflexagon. If you haven't seen it yet, get your life in order and go check it out. In fact, even if you have seen it, go ahead and watch it again. Then reconvene with us here for round two…

# Meet the hexaflexagon. It's about to blow your mind.

Remember the first time you saw a Möbius strip (the ring-shaped surface with only one side) and it felt like your world had been turned upside down? The hexaflexagon tends to have a similar effect. Only more so.

# This beautiful video about parabolas will 100% blow your mind

I know, I know. You're probably wondering how exciting parabolas can actually be, right? Well, it turns out that, in the remarkably capable hands of mathematical rambler/artist/stream-of-conscious-doodle-wizard Vi Hart, the answer is: pretty damn interesting.

# If You Read Pi Long Enough, You'll Find Hamlet

It's Pi Day! Which, okay, whatever, if you were really hardcore about celebrating you'd figure out what nanosecond corresponds to 3.14159 or whatever and pop the Moet then but you didn't and you won't so whatever, right? But! That doesn't mean we can't still have some fun with the nerdiest holiday in the land,…

# Watch a Super Fun Stop Motion Video Explain the Science of Sound

Vi Hart, the soothing voice behind stop motion science-y explanations, is back at it again. In her latest video, she's showing you sound. Yup, she draws, annotates, illustrates, plays notes and visualizes every little nit and grit there is to know.