What is the origin of the letters used in star classification? Why didn't astronomers use ABCD? J. HaldimanChicago, Illinois Stellar spectral types originally followed alphabetical order. But as ...

Discover how Nielsen's ABCD County classifications aid advertisers in targeting audiences using U.S. Census data based on population size and metropolitan proximity.

Across the globe, a race is under way to crack some of the last mysterious forms of writing that have never been translated.

Some of the oldest English alphabets ever documented feature the ampersand symbol, typically at the end of the alphabet after Z. A very early English alphabet described by the English monk Byrhtferth ...

Christmas has come early for quiz show fans with The 1% Club's ITV takeover this week. The popular programme, which whittles down its audience to the top 1%, is airing every night this week - and the ...