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A good BETT
Trisecting an angle with origami
How to solve an ancient problem in a few folds.
So you think you can add up?
Why do we add fractions the way we do? A very close look at addition reveals the answer — and it also works...
Solving quadratics in pictures
How to derive the famous quadratic formula from pictures, just like the Babylonians did.
Maths in a minute: Euclid's axioms
Five basic facts from the father of geometry.
Information about information
What is information and how does it shape our reality?
The philosophy of cosmology
Can philosophy help explain our Universe?
Tweets by @plusmathsorg
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