# Cool Facts

## Game Theory Paradox Explained: Losing Strategy that Wins

Do you think playing two losing games can result in a win streak? Parrando’s paradox proves this can happen in a very simple way. The paradox is illustrated by two games played with coins weighted on one side so that they will not fall evenly by chance to heads or tails. In game A, a …

## 306 years since the birth of Leonhard Euler

Today marks the 306th birthday of famous Swiss mathematician, Leonhard Euler (1707-1783), as you might have noticed from the unique Google logo. Euler made a significant number of discoveries in various fields, from infinitesimal calculus to graph theory. He is well known for introducing the notion of a mathematical function and his works take up …

## Anscombe’s quartet

Anscombe’s quartet comprises four datasets that have nearly identical simple statistical properties, yet appear very different when graphed. Each dataset consists of eleven (x,y) points. They were constructed in 1973 by the statistician Francis Anscombe to demonstrate both the importance of graphing data before analysing it and the effect of outliers on statistical properties. The …

## Cool Math Facts #4

Learn another set of 5 cool math facts in a little over a minute from our new video!

Quine’s paradox is a paradox concerning truth values, attributed to Willard Van Orman Quine. It is related to the liar paradox as a problem, and it purports to show that a sentence can be paradoxical even if it is not self-referring and does not use demonstratives or indexicals (i.e. it does not explicitly refer to …

This paradox Tuesday we try to find an answer to the question: “What happens when an unstoppable force meets an immovable object?”

## True or False – Pi Day Edition

You might know many digits of pi, but do you know everything about it? Test your knowledge in this interactive true or false game!

## The Illumination Problem

This isn’t your average mini-golf course. There is something special about this room and it took almost 50 years to come up with this design. If Satan plays miniature golf, this is his favorite hole. A ball struck at A, in any direction, will never find the hole at B — even if it bounces …

## Cool Math Facts #3

In Cool Math Facts #3 we talk about the problems caused by dividing by zero, a ton of money, and how to get to the moon with a piece of paper!

## True or False Comparisons Edition

Our new episode of True or False is out! How much did you score?