Bengaluru: City-based KV Narayana, a retired professor with a PhD in number theory, dissected a few mathematical properties ...

The numbers and letters on a car tire may seem confusing, but they're actually relatively simple once you understand them.

Philadelphia welcomed 26.6 million visitors in 2024, a number that reflects a steady rebound in travel to the city. That ...

Most dollar bills really are just worth a dollar, but a tiny printing quirk on some notes has turned pocket change into a ...