Discover the mesmerizing world of Brazilian artist Iram Lima, where geometric dreams come to life through nails and string.

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

How well our memory works is determined by a complex combination of things, but we can assess it at home for free ...

In 1876, Peter Guthrie Tait set out to measure what he called the “beknottedness” of knots. The Scottish mathematician, whose research laid the foundation for modern knot theory, was trying to find a ...

Abstract: Given a sequence $(A)$ of real numbers, we wish to find a list of all nonoverlapping contiguous subsequences of $(A)$ that are maximal. A maximal subsequence $(M)$ of $(A)$ has the property ...

Michael Bromberg is a finance editor with a decade of experience. He is an expert at elucidating complex financial topics in clear, concise language. Michael received a Bachelor of Arts in literature ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...

Locating missing sequential numbers can be an arduous task when working with long lists of data. For example, you might want to locate business check numbers that haven't been logged into a balance ...

This dice-related brain teaser challenges puzzle enthusiasts to find the sum total of the hidden sides. Can you solve it? Brain teasers are fun to solve, and if you relate to that statement, here is a ...