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

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

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

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

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

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

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

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.

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

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