List by Author: all

The mathematics of kindness
If only the fittest survive, how can we explain the evolution of altruism? Mathematics has some answers.
Weighing balls: Solution
Maths in a minute: False positives
Why a positive test result doesn't necessarily mean you have the disease.
Weighing balls

This puzzle is apparently used in job interviews — would you pass?
Not just a matter of time: Measuring complexity
Are there problems computers will never be able to solve, no matter how powerful they become?
Not just a matter of time: The halting problem
In the 1930s Alan Turing discovered a computer program that is logically impossible. What other limits are there to computation?
Not just a matter of time: The busy beaver
Journey to the limits of computation with a number that's easy to describe but can't be calculated.
Maths in a minute: How many primes?
Here's the ancient proof that there are infinitely many prime numbers.
Maths in a minute: The prosecutor's fallacy
justice
Why a DNA match doesn't necessarily prove your guilt.
Easy as ABC?
ABC building blocks
Mathematicians are working hard to understand an impenetrable proof of the famous ABC conjecture.
What is a block universe?
Has the future already already been written? Is time just an illusion? Take a step outside of spacetime with cosmologist Marina Cortês to discover the block universe.
Time in a block universe
Fundamental physics says time is symmetric - so why does time move forwards for us in a block universe?