A typical math problem for an American middle school student might be to calculate the sales tax on a dozen baseball caps. At an after-school program called the Berkeley Math Circle, a typical problem ...

Greene offers up a garden hose as a good example of what the fourth dimension looks like. From far away, this garden hose may ...

Mathematicians used “magic functions” to prove that two highly symmetric lattices solve a myriad of problems in eight- and 24-dimensional space. The points could be an infinite collection of electrons ...