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. From symmetry to Euclid's axioms, and from binary numbers to the prosecutor's fallacy, learn some maths without too much effort.

Maths in half a minute: Exponential growth
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What do we mean when we say that something grows exponentially? Find out in this very easy introduction, suitable for anyone curious to know more!
Maths in a minute: Odds ratios
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Is your new face cream associated to getting spots? The odds ratio can help figure it out.
Maths in a minute: Mathematical models
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A basic introduction to the most powerful tools in science and engineering.
Maths in a minute: Algorithms
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The word "algorithm" has probably got more usage over the last few years than it has in its entire history. But what exactly is an algorithm?
Maths in a minute: Exponential growth
exponential growth
What do we mean when we say that something grows exponentially?
Maths in a minute: Conditional probability
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Find out why the formula we use to work out conditional probabilities is true!
Maths in a minute: Non-linearity
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Non-linear relationships are tricky relationships. Find out why here.
Maths in a minute: Homotopy
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The concept of homotopy is a great example of how the language of maths can make intuition precise.
Maths in a minute: Peano arithmetic
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How would you explain the natural numbers to an alien devoid of a number instinct? You could try Peano arithmetic...
Maths in a minute: Thermodynamics
Tea
Tea gone cold? Don't worry, you can cheer yourself up with the theory of thermodynamics.
Maths in a minute: Numerical weather prediction
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How does your phone know what the weather's going to be like?
Maths in a minute: Correlation versus causation
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Wet cats don't cause umbrellas and umbrellas don't cause wet cats.