## MathRun

Here’s a math quiz that starts out deceptively simple and slow, but gradually becomes more difficult while you’re telling yourself how well you’re doing. Before you know it, you’re scrambling to keep up! I got to one point where I didn’t even recognize the symbols, but figured it out somehow. I cannot tell you what [...]

## Understanding the Monty Hall Problem

The Monty Hall problem is a logic puzzle named for the American gameshow host of Let’s Make a Deal. It’s one of my favorite such problems, because it’s an example of math completely contradicting my gut instinct. Even though I know the math says to do one thing, my gut consistently says the [...]

## Creative Ways To Tell The World You’re Having A Baby

Buzzfeed rounded up some cute and clever “expectancy” announcements that tell more in pictures than in words. There’s 23 of them, and it was hard to pick an example, but I was drawn to this math-based photograph. Go see the rest! Link

## How Many Triangles are in This Image?

See if you can figure it out before you check the answer in this lil’
math pop quiz by Ethan Siegel of Starts With a Bang! science blog: Link
– via Cliff
Pickover’s Reality [...]

## Our 12 Most Popular Math & Science T-Shirts (Plus a Big Sale!)

Our Pi Approximation T-shirt sale ends tonight, so hurry to our store to pick up any of our great T-shirts for only $14.99 each!
Need some help deciding which shirt to get? Here are our 12 most popular math and science T-shirts:
1. I’m No Rocket Surgeon
2. Pluto: Revolve in Peace
3. Heavy Metals
4. There’s No Right Way [...]

## Game of Thrones for Math Nerds

(YouTube link)
If you are both a math nerd and a Game of Thrones fan, you’ll love this “song of ice and statistics” from Josh Sundquist. It’s a Vi Hart-style breakdown by numbers of the book series and the HBO show. -via The Daily What Geek

## Girls Have More Math Anxiety Than Boys

If
the thought of a math test has you breaking out in sweats, you’d be glad
to know that it’s actually a medical condition called "mathemetics
anxiety" and that you’re not alone.
Math anxiety [...]

## 6 Small Math Errors That Caused Huge Disasters

If you ever wondered why it is so important to be exact in math, particularly in engineering math, then take a look at cases in which a math error resulted in deaths. Remember the Hyatt Regency disaster in Kansas City some 30 years ago?
When designing their newest hotel to be built in downtown Kansas City, [...]

## Knitted Napier’s Bones

Because they are awesome, Pat Ashforth, Steve Plummer and Ben Ashforth illustrate math through their crafting projects. Pictured above is their knitted version of Napier’s Bones, a calculation device invented by Scottish mathematician John Napier (1550-1617). George Hart explains how they work:
The image below shows how to arrange the bones if you wanted to [...]

## Mathematicians Want to Say Goodbye to Pi

I was always bad at math in school, but there was always one thing even the worst math students could remember: pi equals about 3.14. Now the importance of pi in mathematics is being challenged. So take that seventh grade math teacher.
Last year, Palais’ followers gave the new constant, 2pi, a name: tau. Since then, [...]