Pradeep Mutalik

Puzzle Columnist

Latest Articles

When Magic Is Seen in Twisted Graphene, That’s a Moiré

June 20, 2019

What do moiré patterns seen in optics, art, photography and color printing have to do with superconducting layers of graphene?

Solution: ‘The Bulldogs That Bulldogs Fight’

May 16, 2019

To minimize brain strain when thinking recursively, start simply, look for a pattern and let the pattern do the work.

The Bulldogs That Bulldogs Fight

April 17, 2019

Solve a linguistic whodunit about a college mascot by thinking like a self-referencing computer subroutine.

Solution: ‘How to Find Simple Treasures in Complex Numbers’

March 22, 2019

Puzzle solvers used “imaginary” numbers to solve a real world problem: finding long-lost treasure.

How to Find Simple Treasures in Complex Numbers

February 14, 2019

In spite of their name, “imaginary” numbers are as real as any other numbers, especially when it comes to hunting for lost treasure.

Quanta’s Science and Math Crossword Puzzle

December 21, 2018

Celebrate a year’s worth of scientific and mathematical insights by solving this brain-teasing cryptic crossword from our puzzle columnist.

Solution: ‘How Equality and Inequality Shape Birds and Bees’

November 9, 2018

Puzzle solvers explored how evolution may have used negative and positive control mechanisms to shape the conflicting parental functions of reproduction and child rearing.

How Equality and Inequality Shape the Birds and the Bees

October 17, 2018

Two dynamic, seemingly opposing forces likely played an important role in the evolution of reproduction and child rearing in social animals like bees and humans.

Solution: ‘Evolutionary Math and Just-So Stories’

September 7, 2018

How much stock should we put in mathematical models of evolution that have not been validated by rigorous empirical data?

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