# Cool Facts

## 15 Really Odd Geographical Facts

Not really math, but pretty neat! Our planet is filled with many wonderful geographical and geological anomalies and mysteries. So many so, that we may never truly unlock all of the secrets that nature has tucked away. This is a list of 15 of the more unusual or outright bizarre facts relating to geography, geology, …

## 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 …