Puzzle : Four men in hats
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Falso d'autore - Giochi per la mente - Games for the Brain...
Drench - the world's simplest flash game
BBC - Science & Nature - Human Body and Mind
Spot The Fake Smile Survey
How to Control Your Dreams Infographic
Math Fun Facts: All Fun Facts
There are currently 203 Fun Fact files. You can also see a list of .
The MegaPenny Project
Big Numbers () Big Numbers () Dots -
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Math Notes | Futility Closet
An idler's miscellany of compendious amusements
NumberSpiral.com - Home
This site is devoted to the number spiral, a type of graph that reveals the distribution of primes and other properties of integers.
Weierstrass functions are famous for being continuous everywhere, but differentiable "nowhere". Here is an example of one:
Animated Factorization Diagrams - Data Pointed
6174 (number) - Wikipedia, the free encyclopedia
Logic Problems - Easy
Logic Problems - grouped by difficulty. Includes answers and hints.
» Best Procrastination Tip Ever :zenhabits
Your first thought as you look at this article will be, "I'll read this later."