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Puzzles

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GIF illustration: changing genes
Insights puzzle

A Ticking Evolutionary Clock

By Pradeep Mutalik
March 16, 2017
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How quickly will a gene’s rate of evolution slow to a crawl?

Illustration: balloon modelling as a metaphor for entanglement
Insights puzzle

Solution: ‘Taming Quantum Weirdness’

By Pradeep Mutalik
March 10, 2017
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A simple analogue could offer insights into one of the most astonishing results of quantum mechanics.

Illustration: balloon modelling as a metaphor for entanglement
Insights puzzle

How to Tame Quantum Weirdness

By Pradeep Mutalik
February 16, 2017
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Can balloon animals help blunt uneasy feelings about “spooky action at a distance”?

Illustration: bucket half-full of amoebas.
Insights puzzle

Solution: ‘How Many Half-Lives?’

By Pradeep Mutalik
January 27, 2017
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When do negative results from a half-life experiment mean a theory is dead?

Illustration: bucket half-full of amoebas.
Insights puzzle

How Many Half-Lives Do You Have?

By Pradeep Mutalik
January 12, 2017
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Gaining an intuition about half-life requires some unintuitive thinking.

Insights puzzle

Solution: ‘Hanging Far Out Over the Edge’

By Pradeep Mutalik
December 2, 2016
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A simple and elegant way to stack identical flat objects so that they project over an edge as far as possible.

Insights puzzle

How to Hang Far Out Over the Edge

By Pradeep Mutalik
November 17, 2016
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What formula describes the farthest you can stack flat blocks over the edge of a table to form a seemingly gravity-defying half-bridge to nowhere?

Insights puzzle

Solution: ‘Which Forecasts Are True?’

By Pradeep Mutalik
October 26, 2016
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Aside from potential clues gleaned from a fluke result, it would take hundreds of U.S. presidential elections to definitely conclude that one election forecasting model is superior to another.

Insights puzzle

How Can We Tell Which Forecasts Are True?

By Pradeep Mutalik
October 13, 2016
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Presidential election forecasts are historically successful and appear to be highly precise. Yet they’re often contradictory. What would it take to trust them?


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