## Introducing the November 2019 Issue

Time crystals, trickle-up economics, songbird diversity, and more

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Time crystals, trickle-up economics, songbird diversity, and more

3 minutes ago — Curtis Brainard

People pair mathematical proofs with paintings and pieces of music similarly

4 hours ago — Matthew Hutson

Using mathematics to catch the bad guys—in the most contrived way possible

October 8, 2019 — Evelyn Lamb

A new analysis adds to existing evidence for a racial disparity in wait times at polling places

October 1, 2019 — Daniel Garisto

An airtight proof that there are more than 26 numbers

September 26, 2019 — Evelyn Lamb

Physics historian Graham Farmelo talks about his latest book, The Universe Speaks in Numbers: How Modern Math Reveals Nature's Deepest Secrets.

September 24, 2019 — Graham Farmelo and Steve Mirsky

Or should that be Ping-Pong for narcissists?

September 22, 2019 — Evelyn Lamb

Mathematicians have finally proved a conjecture on approximating numbers with fractions

September 16, 2019 — Leila Sloman

Mathematicians disagree over whether their fundamental assumptions, or axioms, are true...

September 15, 2019 — John Horgan

Beyond the unknown unknowns is what's unknowable

September 12, 2019 — Steve Mirsky

In memory of Michael Boshernitzan

September 8, 2019 — Evelyn Lamb

A puzzling activity from Science Buddies

August 29, 2019 — Science Buddies and Sabine de Brabandere

Can AI be creative? Maybe not, but it can be amusing

August 28, 2019 — Evelyn Lamb

Philosophers cannot agree on whether mathematical objects exist or are pure fictions

August 28, 2019 — Kelsey Houston-Edwards

Tracing our mathematical foremothers

August 12, 2019 — Evelyn Lamb

What to do with those pesky order of operations questions?

August 10, 2019 — Evelyn Lamb

Although mathematicians know they can never fully “solve” this centuries-old quandary, tackling smaller pieces of it has yielded some intriguing discoveries

August 8, 2019 — Richard Montgomery

It sure comes in handy for doing physics

August 4, 2019 — Steve Mirsky

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