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Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.
What do chocolate and mayonnaise have in common? It's maths! Find out how in this podcast featuring engineer Valerie Pinfield.
Is it possible to write unique music with the limited quantity of notes and chords available? We ask musician Oli Freke!
How can maths help to understand the Southern Ocean, a vital component of the Earth's climate system?
Was the mathematical modelling projecting the course of the pandemic too pessimistic, or were the projections justified? Matt Keeling tells our colleagues from SBIDER about the COVID models that fed into public policy.
PhD student Daniel Kreuter tells us about his work on the BloodCounts! project, which uses maths to make optimal use of the billions of blood tests performed every year around the globe.
Don't worry, they work!
You have to understand that these are the "irreducible folds" of origami, so IF THEY ARE POSSIBLE you can just make them without any extra explanation as to how or why they are possible. The last few are to some people unintuitive without a practical demonstration, which is why it is useful to have a list like this.
A person might challenge a folding step which instructs you to fold in a certain way, saying it is inexact or not unique, but then all you need to do is quote the axiom that corrects them.