Petr's miracle: Why was it lost for 100 years? (Mathologer Masterclass)
Conway's IRIS and the windscreen wiper theorem
A cute proof with a very dramatic moment :) (xpost from Instagram)
Simple yet 5000 years missed ?
Why are the formulas for the sphere so weird? (major upgrade of Archimedes' greatest discoveries)
The best A – A ≠ 0 paradox
What's the curse of the Schwarz lantern?
Death by infinity puzzles and the Axiom of Choice
Numberphile v. Math: the truth about 1+2+3+...=-1/12
Epicycles, complex Fourier series and Homer Simpson's orbit
How do you best motivate the counterintuitive (-1) x (-1) = 1 ? (xpost from Instagram)
The PROOF: e and pi are transcendental
Fibonacci = Pythagoras: Help save a beautiful discovery from oblivion
Is this a paradox? (the best way of resolving the painter paradox)
Euler's and Fermat's last theorems, the Simpsons and CDC6600
2000 years unsolved: Why is doubling cubes and squaring circles impossible?
Times Tables, Mandelbrot and the Heart of Mathematics
The dark side of the Mandelbrot set
Visualising Pythagoras: ultimate proofs and crazy contortions
Infinite fractions and the most irrational number