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Puzzles

Insights puzzle

Solution: ‘The Road Less Traveled’

By Pradeep Mutalik
September 25, 2015
Read Later

The solution to this month’s puzzle uses both mathematics and psychology to explain trouble with choosing the fastest route.

Insights puzzle

The Road Less Traveled

By Pradeep Mutalik
September 3, 2015
Read Later

When there are two paths to your destination, why does it always seem like you’re on the road with more traffic?

Insights puzzle

Solution: ‘The Slippery Eel of Probability’

By Pradeep Mutalik
August 14, 2015
Read Later

The solution to this month’s puzzle examines the use of abstract probabilities as an antidote to real-world ignorance.

Insights puzzle

The Slippery Eel of Probability

By Pradeep Mutalik
July 30, 2015
Read Later

How do you solve probability problems that appear to have more than one correct answer?

Insights puzzle

Solution: ‘Information From Randomness?’

By Pradeep Mutalik
July 22, 2015
Read Later

The counterintuitive solution to this month’s puzzle raises philosophical questions about randomness and information.

Insights puzzle

Can Information Rise From Randomness?

By Pradeep Mutalik
July 7, 2015
Read Later

Quanta’s new puzzle column asks you to believe the seemingly impossible — that you can win at a number guessing game with absolutely no information.

Multimedia

The Nine Schoolgirls Challenge

By Thomas Lin
June 9, 2015
Read Later

Solve this variation of Thomas Kirkman’s famous 1850 puzzle by arranging girls in walking groups. And think fast — the clock is ticking.


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