#logic

Business & Finance | Small business

The Value of Recounts | by Charles Haspel

Be a volunteer election worker helping me illustrate the value of recounts.

Science & Technology | Cool Stuff

Can you solve the maths question for Singapore schoolkids that went viral?

Singapore usually comes top, or nearly top, of the international rankings in primary maths performance.

And when you read this question – you can see why. It’s an excellent logical puzzle, which will stump most adults.

Miscellaneous | Interesting Links

Can You Solve 'The Hardest Logic Puzzle In The World'?

You're reading the first installment in a brand new puzzle series here at io9 – and what better way to kick things off than with the world's most difficult logic puzzle?