Australian National University provides funding as a member of The Conversation AU. Recently, as a community ambassador for ANU Student Equity, I took to a local secondary school to talk maths with a ...

Take an outline map of the lower 48 U.S. states and four crayons. Can you shade in the map so that every state is a different color than each of its neighbors, without resorting to a fifth color? This ...

Simon Singh's journey begins with the number 4, which for over a century has fuelled one of the most elusive problems in mathematics: is it true that any map can be coloured with just 4 colours so ...

It should be possible to colour in any map using just four colours and with no two adjacent regions ending up the same colour. Did you get something like this? We're about to simulate a human brain on ...

2025 marked a historic year in mathematics. Researchers solved a major case of Hilbert’s ambitious sixth problem, proved a sweeping new theorem about hyperbolic surfaces, and settled the longstanding ...