91av

mathematics

Prime numbers

Physics

Largest prime number ever found has over 23 million digits

Two multiplied by itself nearly eighty million times minus one is the biggest prime number ever discovered by the Great Internet Mersenne Prime Search

News

Puzzle

Test yourself against these superpuzzles from Japan

Culture

Space-time and gravity might be born from the quantum world

Physics

Space-time and gravity might be born from the quantum world

News

ABC Conjecture

Physics

Mathematician set to publish ABC proof almost no one understands

News

billboard

Humans

Effortless thinking: Why life is more than a zero-sum game

Features

Bumblebees solve the travelling salesman problem on the fly

Life

Bumblebees solve the travelling salesman problem on the fly

News

the 1959 Sokolniki Park exhibition, where Khrushchev debated kitchens with Nixon, and citizens admired the latest TV sets

Humans

The Soviet genius who tried to beat capitalism at its own game

Features

Gerrymander artwork 1

Humans

Wrong division: How maths can save democracy from gerrymandering

Features

Da Vinci painting

Humans

The Seduction of Curves revives old ideas about maths and beauty

Culture

Man sits at betting machines

Physics

How to beat the bookies by turning their odds against them

Bookmakers use complex prediction models to set the odds of sporting outcomes in their favour – but a simple analysis of available odds can still give good returns

News

Technology

Illuminating India: The genius of making a little go a long way

Culture

Humans

Most science papers turn out to be wrong. It’s time to fix that

Comment

Physics

Riddle of the primes: why do they come in pairs?

Features

Humans

The brain's 7D sandcastles could be the key to consciousness

Features

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop