Dara Ó Briain (/ˈdɑːrə oʊ ˈbriːən, ˈdærə -/ DAR(R)-ə oh BREE-ən, Irish: [ˈd̪ˠaɾˠə oː ˈbʲɾʲiənʲ]; born 4 February 1972) is an Irish comedian and television...

Allura Red AC, also known as FD&C Red 40 or E129, is a red azo dye commonly used in food. It was developed in 1971 by the Allied Chemical Corporation,...

O 20, laid down as K XX, was a O 19-class submarine of the Royal Netherlands Navy that saw service during World War II. O 20 along with her sister ship...

Seán Proinsias Ó Faoláin (27 February 1900 – 20 April 1991) was one of the most influential figures in 20th-century Irish culture. A short-story writer...

Grace O'Malley, was the head of the Ó Máille dynasty in the west of Ireland, and the daughter of Eóghan Dubhdara Ó Máille. Upon her father's death, she...

that begin with "O'" include: Ó Bánion (O'Banion), Ó Briain (O'Brien), Ó Ceallaigh (O'Kelly), Ó Conchobhair (O'Connor, O'Conor), Ó Chonaill (O'Connell)...

Curtiss O-40 Raven was an American observation aircraft of the 1930s which was built and used in small numbers. A single example of the YO-40, a single-engined...

80/20 rule, the law of the vital few and the principle of factor sparsity) states that for many outcomes, roughly 80% of consequences come from 20% of...

simultaneously popular the following year, placing 5th and 6th on the 20 February 1957, US Top 40 Singles chart. The Tarriers version was covered multiple times...

(The Dead Sea, known for its ultra-high salinity levels of between 30 and 40%, is really a salt lake.) Tides are the cyclic rising and falling of local...