Dana Mackenzie
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All Stories by Dana Mackenzie

Math
Dense crowds of pedestrians shift into surprisingly orderly lines. Math explains why
New research into collective behavior adds to decades of study on the wisdom of crowds.

Math
How large a gathering is too large during the coronavirus pandemic?
Mathematical models explain why large gatherings are especially dangerous in an epidemic, and identify how large is too large.

Math
Spirals inspire walking aids for people with disabilities
Long admired for their beauty, spirals have inspired a shoe that may help disabled people walk. The shapes make for a better crutch and an entertaining skateboard as well.

Computing
A tale of touching tubes
Mathematicians solve the challenge of putting seven cylinders in contact without using their ends.

Math
Goldberg variations: New shapes for molecular cages
Scientists have figured a way to iron out the wrinkles in a large class of molecular cages.

Math
Year in Review: Progress made toward twin prime proof
A surprising advance sparks a flurry of work on the mathematical conjecture.

Math
Twin primes and prime bunches in mathematicians’ crosshairs
For second time this year, a mathematician makes a major advance toward proving a longstanding conjecture.