When should you stop looking and start leaping? It's a question that faces us all - luckily, maths has an answer for us!

They’re all around you... Or so it seems. Our goal is to answer the question: “When is something an object?”

David Lewis is my hero. I also disagree emphatically with almost everything he says, and think his philosophy is ludicrous.

The spread operator is awesome. It can do SO much — it’s efficient, readable, and can save a whole load of mess. I don’t know how you can not love it!

Poor CV? No interview! Fabulous CV? Fast lane to interview. Your CV is your first chance to market yourself, and in many cases, your only chance to make a first impression. Make it count.

Anything follows from a contradiction. A moon made of cheese. Five-sided triangles. Decapod felines. Time flowing backwards. A non-existent universe.

I count myself as utterly fortunate to have worked alongside someone I found inspiring, patient, compassionate and generous with his advice; for the best part of a year and a half.