greedy algorithm

Not necessarily, when it comes to money.

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Squashing the curve?

A study into Covid-19 suggests that flattening the curve will take longer and harder measures than previously hoped.
Building meaning: dog or ostrich

How do we build our models of the world? Yoshua Bengio explains how deep learning will help machines act to understand the world in a similar way.
Myths of maths: The four colour theorem

It's one of mathematics' most famous results: every "map" can be coloured using at most four colours. What it doesn't usually apply to, however, are real maps.
Artificial intelligence takes on COVID-19

Mathematicians are helping to develop an AI tool to help with diagnosing COVID-19 and making prognoses for infected patients.
Social distancing: How close is safe?

How far can virus-carrying droplets fly in different environments — from buses to supermarkets? Maths can provide some answers.