For thousands of years, philosophers have pondered cardinality: knowing “how many.” Using a series of crude estimates, the ancient Greek mathematician Archimedes worked out the approximate number of ...

A set of novel vertex-degree-based invariants was introduced by Gutman, denoted by SO₁, SO₂, . . . , SO₆. These invariants were constructed through geometric reasoning based on a new graph invariant ...

An oceanographer buys a piece of whale flesh at a market in Japan. The clerk assures her the meat comes from a Baird’s beaked whale, which is legal to hunt under certain circumstances. The scientist ...

Data is de rigueur these days. We all know we need it, every line of work uses it, each of us is part of it, many of us interact with it, but fewer know how to get it or what to do with it once we ...