In 1999, while sitting at a bus stop in Cuernavaca, Mexico, a Czech physicist named Petr Šeba noticed young men handing slips of paper to the bus drivers in exchange for cash. It wasn’t organized ...

A new 13-sided shape is the first example of an elusive "einstein" — a single shape that can be tiled infinitely without repeating a pattern. When you purchase through links on our site, we may earn ...

The human body is made up of a complex community of trillions of cells of diverse shapes and sizes, all working together to keep you alive. The smallest of these cells, like platelets and red blood ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. The natural world presents a palette of beautiful complexity. From the ...

We’ve created a generation — parents and children alike — paralyzed by numerators without denominators. A single alarming ...