Mathemagician Arthur Benjamin races a team of calculators to figure out 3-digit squares, solves another massive mental equation and guesses a few birthdays. How does he do it? He’ll tell you.

Published on Jun 2, 2015Including a flow chart on how to stop unwanted texts from people you don't know.

306 degrees in a circle? Check out these crazy relationships.

Published on Jul 6, 2012Sometimes infinity is even bigger than you think... Dr James Grime explains with a little help from Georg Cantor.

This gal is great. Sometimes I have to stop and rewind but her thinking is mesmerizing!

A-rhythm-atic!
Ready to dance in your seat? Drummer Clayton Cameron breaks down different genres of music—from R&B to Latin to pop—by their beats. A talk that proves hip hop and jazz aren't cooler than math—they simply rely on it.

Published on May 8, 2014

Web cartoonist Randall Munroe answers simple what-if questions ("what if you hit a baseball moving at the speed of light?") using math, physics, logic and deadpan humor. In this charming talk, a reader's question about Google's data warehouse leads Munroe down a circuitous path to a hilariously over-detailed answer — in which, shhh, you might actually learn something.

I love this guy! We have been using his site Gapminder.org in AP Stats for quite a while. His way of looking at data is ascinating and he has worlds more videos on his site that we will explore later.

Published on Sep 11, 2014How much do you know about the world? Hans Rosling, with his famous charts of global population, health and income data (and an extra-extra-long pointer), demonstrates that you have a high statistical chance of being quite wrong about what you think you know. Play along with his audience quiz — then, from Hans’ son Ola, learn 4 ways to quickly get less ignorant.