
The mathematically correct way to slice a pizza
The intermediate value theorem shows us how to find an even center on an irregular shape
Manon Bischoff is a theoretical physicist and an editor at Spektrum der Wissenschaft, the German-language sister publication of Scientific American.

The mathematically correct way to slice a pizza
The intermediate value theorem shows us how to find an even center on an irregular shape

The mathematical formula that reveals when Easter is every year
You can track the start of spring and the phases of the moon—or you can turn to a formula by mathematician Carl Friedrich Gauss

How a statistical paradox can make research findings fall apart
Simpson’s paradox demonstrates how counterintuitive statistics can be

What happens when AI starts checking mathematicians’ work
A start-up has surprised the scientific community with a breakthrough: translating a modern proof into a programming language for verification using AI. But not everyone is celebrating

Mathematicians can’t agree on whether 0.999... equals 1
Whether 0.999... equals 1 is the subject of bitter dispute in countless online forums

Why Friday the 13th is a mathematical inevitability
No bad luck here—just lots of fascinating math that explains why the 13th of a month so often falls on a Friday

Your zodiac sign is likely wrong. Here’s how to find the correct one
The science of the zodiac is more intriguing than astrology would have you think

Why mathematicians hate Good Will Hunting
This Oscar-winning classic set a surprisingly simple mathematical challenge

The mathematical mystery inside the legendary 1990s shooter Quake 3
Deep within the source code of this online multiplayer game lies an enigmatic number that puzzles and inspires experts to this day

What ‘6-7,’ demons and The Big Bang Theory tell us about prime numbers
Prime numbers have fascinated humankind for generations—here are three of the most intriguing primes

How math can reveal lottery fraud
In one day, 433 people won the Philippine lottery jackpot. What were the chances?

Why 2026 Is a Mathematically Special Number
Neither a square nor prime number, 2026 is still intriguing

Two Möbius Strips Combine to Create a Bizarre Object That Only Exists in 4D
In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist

How to Identify a Prime Number without a Computer
For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years later

How an Error in Cult Classic Game Doom Sparked New Appreciation for Pi
What would the world look like if we changed the value of pi? Whether in the real world or a game environment, the answer is complex

A Mathematical Paradox Shows How Combining Losing Strategies Can Create a Win
In certain circumstances, losses create a sure path to victory, an idea with implications for biology and cancer therapy

How Many People Have Ever Lived on Earth?
Is it really possible that half of all people who have ever been age 65 or older are still alive today? We explore the amazing mathematics of demography to find out

How the Math of Shuffling Cards Almost Brought Down an Online Poker Empire
Card dealers create a unique deck with each shuffle, something computers cannot replicate

Math Breakthroughs from Behind Bars
People in prisons and jails have contributed to some of the greatest ideas in mathematics

Some Mathematicians Don’t Believe in Infinity
Can “finitism” possibly describe the real world?

The Impossible Problems Hidden in a Simple Game of Tetris
How complex can a simple game be? Tetris pushes even supercomputers to their limits and amazes mathematicians

This Number System Beats Binary, But Most Computers Can’t Use It
Why do computers only work with the numbers 0 and 1? There are machines that process three digits with more efficiency than you might expect

The Game Theory Hidden in the Mind of Sherlock Holmes
In the early 20th century, a mathematician and economist sought the optimal strategy for Holmes to escape Moriarty’s pursuit

Our World Is Getting More Complicated. Here’s the 19th-Century Math That Proves It
Nothing in the cosmos is in equilibrium, which means entropy is on the rise