Old phone numbers in the U.S. had letters to denote the telephone exchange that handled any given number, a practice that ...

But like all of these big numbers, your credit card number contains specific information, with each digit or set of digits meaning something unique. Two things to remember: First, your credit card ...

Compiled by Liz Carey, all are notable moments in the city ... newspapers reminded Lexingtonians to remember using seven digits phone numbers when calling people on the phone, warning that ...

Five fingers, five toes. There's nothing magical about the number, yet five digits at the end of their limbs is a motif that runs through all the animals with four limbs, called tetrapods.

With all eyes on ... is the price. Digits will be available in May, starting at $3,000. This sort of money should make it available to a large number of smaller companies and researchers, who ...