
How the World’s Most Famous Code Was Cracked
Uncovering the CIA’s Kryptos puzzle took three parts math and one part sleuthing

How the World’s Most Famous Code Was Cracked
Uncovering the CIA’s Kryptos puzzle took three parts math and one part sleuthing

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


Math Puzzle: Find the Time
Decode a confusing clock in this math puzzle

The Math That Predicted the New Pope
A decades-old technique from network science saw something in the papal conclave that AI missed

Prime Numbers Show Unexpected Patterns of Fractal Chaos
Mathematicians have found a new way to predict how prime numbers behave

Math’s Most Tangled Mysteries Start With a String
Learn the fundamentals of the burgeoning field of knot theory while solving some puzzles along the way

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

Math Puzzle: Find the Unknot
Which of these knots are secretly “unknots”? Try our math puzzle 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

Should You Spend $2 to Win $1.7 Billion? Inside Powerball Math
Winning more than $1 billion in Powerball is an exciting possibility, but keeping a cool math mind can help you decide whether that opportunity is worth your $2 bet

New Knot Theory Discovery Overturns Long-Held Mathematical Assumption
Mathematicians have unraveled a key conjecture about knot theory

A Forgotten Math Idea Could Supercharge Quantum Computers
Scientists have revived an ignored area of math to envision a path toward stable quantum computing