Find out the answer to the Everything is Mathematical Curious Numbers puzzle number 17, published in The Times on Friday 28 September.

Which of the following numbers is not happy?

19, 23, 25, 28, 31 Read more…

Find out the answer to the Everything is Mathematical Curious Numbers puzzle number 16, published in The Times on Thursday 27 September.

What is the missing calculation in this sequence?

2² = 1+3
4² = 1+3+5+7
8² = ? Read more…

Learn how astronomers are able to calculate the speed at which the earth rotates, using mathematical methods of estimation.  Read more…

The Incompatible Food Triad is a puzzle that aims to find three foods for which any pair will taste good together, but when all three are combined, will not. Read more…

Scott Rickard is a professor at University College Dublin. His interest in both music and maths led him to try and solve an interesting problem: how to create a musical score with no pattern. Read more…

This video explains how prime numbers are used to allow computers to communicate securely using public or asymmetric-key cryptography.

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Researchers have found that the strength of communication between both sides of the human brain predicts performance in basic arithmetic. The findings could help those with numerical dyslexia.
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