Throughout the centuries, we’ve made a pretty good system for separating normal from abnormal things. OK, it failed miserably from time to time, but sometimes we have quite strong proof of something not being normal (even if your mother had you tested, Sheldon). Stories we...

We have published more than 550 articles so far. To celebrate this, we decided to publish few selected articles from our archive in a single place. We decided to bring out an e-book with 70 selected articles, including some of our exclusive interviews. We are dedicating...

This is my personal collection of formulae/theorems which I consider lovely. By ``lovely'', I mean objects which possess a certain degree of Elegance and Simplicity. The formulae/theorems are listed in no particular order. [caption id="attachment_9430" align="alignright" width="380"] Image Source: Shutterstock[/caption] Pythagoras' theorem The most popular and fascinating theorem...

I am pi, 16th among the greek letters i stand; If you are too certain of my start and end, Wager and bet; in trouble you will land. As a number I start, A simple ratio of geometry conceived to be; When the circumference and diameter of a circle divided, Calculate and...