## 1,000 Years of Congruent Numbers

These integers have inspired one of the most important unsolved problems in mathematics

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Evelyn Lamb is a freelance math and science writer based in Salt Lake City, Utah. Follow Evelyn Lamb on Twitter @evelynjlamb

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These integers have inspired one of the most important unsolved problems in mathematics

July 13, 2019 — Evelyn Lamb

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2400 years separate two people with whom this computer science term is associated

June 26, 2019 — Evelyn Lamb

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These blissful integers are a bit mysterious

June 21, 2019 — Evelyn Lamb

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Because you know it has to be when you write 400 words explaining it

June 9, 2019 — Evelyn Lamb

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Gary Urton explains what we can and cannot know about Inka khipus

June 8, 2019 — Evelyn Lamb

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Euclid’s proof of the infinitude of primes opens the door to some interesting questions

May 26, 2019 — Evelyn Lamb

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Moon Duchin shares an abstract theorem with surprising connections to gerrymandering

May 18, 2019 — Evelyn Lamb

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This holey mathematical object was discovered by a Swiss mathematician and then forgotten for decades

May 12, 2019 — Evelyn Lamb

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Mathematicians can be adorably ignorant...

May 5, 2019 — Evelyn Lamb

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Suresh Venkatasubramanian tells us about one of the most important tools he uses to root out algorithmic bias

April 28, 2019 — Evelyn Lamb

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Ursula Whitcher tells us why she loves this physics-inspired branch of mathematics

April 11, 2019 — Evelyn Lamb

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And how long has it been a number?

April 7, 2019 — Evelyn Lamb

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Middle school math teacher Fawn Nguyen tells us why a classic right triangle fact is her favorite mathematical result

April 6, 2019 — Evelyn Lamb

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What the heck does “three times less than” mean?

March 23, 2019 — Evelyn Lamb

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Robert Ghrist shares a beautiful link between exponentiation, differentiation and shift...

March 14, 2019 — Evelyn Lamb

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How many X’s Can You Fit in a Plane?

March 2, 2019 — Evelyn Lamb

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Cynthia Flores describes how Heisenberg’s famous principle has shaped her mathematical career and worldview

March 2, 2019 — Evelyn Lamb

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Mathematicians Nikita Nikolaev and Beatriz Navarro Lameda share their favorite theorem and their mathematics-themed wedding

February 17, 2019 — Evelyn Lamb

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Black History Month in the U.S. is a good time to celebrate these important people

February 16, 2019 — Evelyn Lamb

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Alexandria Ocasio-Cortez is right: machines can lead to racist outcomes

February 2, 2019 — Evelyn Lamb

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