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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Peter Rowlett

Bio

Peter Rowlett is a mathematics lecturer, podcaster and author based at Sheffield Hallam University in the UK, and co-author of 91av's Mathematics of Life column. Follow him @peterrowlett

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More from Peter Rowlett

Explore the latest news, articles and features

The maths quirk that can cheer you up if you're feeling unpopular

Mathematics

The maths quirk that can cheer you up if you're feeling unpopular

Regulars

2S95MK4 Tourists play a game of Snakes and Ladders at a Chinese temple ahead of the Lunar New Year of the Snake celebrations. Lunar New Year which falls on January 29, 2025, welcomes the year of the Snake, which will be celebrated by the Chinese around the world. (Photo by Wong Fok Loy / SOPA Images/Sipa USA) Credit: Sipa US/Alamy Live News

Mathematics

Bored of snakes and ladders? Some maths can help bring back the fun

Regulars

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #103: O difference tree

10 December 2025

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #98: S⋅P numbers

5 November 2025

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #93: Counting gaps

1 October 2025

This string art game will boost your mathematical imagination

Mathematics

This string art game will boost your mathematical imagination

Regulars

BrainTwister #82: Flipping coins

BrainTwister #82: Flipping coins

Regulars

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #82: Flipping coins

16 July 2025

BrainTwister #80 Iccanobif numbers

BrainTwister #80 Iccanobif numbers

Regulars

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

BrainTwister

BrainTwister #80: Iccanobif numbers

2 July 2025

Man mowing downhill Description Man wearing white overalls and back to front baseball cap trying to mow down steep verge outside building. Memphis, USA

Mathematics

The handy piece of maths that can help with organising chores

Regulars

BrainTwister #69: Backward drops

BrainTwister #69: Backward drops

Regulars

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