Pradeep Mutalik

Puzzle Columnist

Latest Articles

A Ticking Evolutionary Clock

March 16, 2017

How quickly will a gene’s rate of evolution slow to a crawl?

Solution: ‘Taming Quantum Weirdness’

March 10, 2017

A simple analogue could offer insights into one of the most astonishing results of quantum mechanics.

How to Tame Quantum Weirdness

February 16, 2017

Can balloon animals help blunt uneasy feelings about “spooky action at a distance”?

Solution: ‘How Many Half-Lives?’

January 27, 2017

When do negative results from a half-life experiment mean a theory is dead?

How Many Half-Lives Do You Have?

January 12, 2017

Gaining an intuition about half-life requires some unintuitive thinking.

Solution: ‘Hanging Far Out Over the Edge’

December 2, 2016

A simple and elegant way to stack identical flat objects so that they project over an edge as far as possible.

How to Hang Far Out Over the Edge

November 17, 2016

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?

The Devil in the Polling Data

November 11, 2016

The same problem that caused the 2007 financial crisis also tripped up the polling data ahead of this year’s presidential election.

Why (Almost) Everyone Was Wrong

November 9, 2016

The results of this year’s presidential election made a mockery of analytical election forecast modelers.

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