DNA

Deoxyribonucleic acid (ⁱ/diˈɒksiˌraɪboʊnjʊˌkliːɪk, -ˌkleɪɪk/;DNA) is a molecule that carries most of the genetic instructions used in the development, functioning and reproduction of all known living organisms and many viruses. DNA is a nucleic acid; alongside proteins and carbohydrates, nucleic acids compose the three major macromolecules essential for all known forms of life. Most DNA molecules consist of two biopolymer strands coiled around each other to form a double helix. The two DNA strands are known as polynucleotides since they are composed of simpler units called nucleotides. Each nucleotide is composed of a nitrogen-containing nucleobase—either cytosine (C), guanine (G), adenine (A), or thymine (T)—as well as a monosaccharide sugar called deoxyribose and a phosphate group. The nucleotides are joined to one another in a chain by covalent bonds between the sugar of one nucleotide and the phosphate of the next, resulting in an alternating sugar-phosphate backbone. According to base pairing rules (A with T, and C with G), hydrogen bonds bind the nitrogenous bases of the two separate polynucleotide strands to make double-stranded DNA. The total amount of related DNA base pairs on Earth is estimated at 5.0 x 10³⁷, and weighs 50 billion tonnes. In comparison, the total mass of the biosphere has been estimated to be as much as 4 TtC (trillion tons of carbon).

Palace

A palace is a grand residence, especially a royal residence or the home of a head of state or some other high-ranking dignitary, such as a bishop or archbishop.

The word itself is derived from the Latin name Palātium, for Palatine Hill, the hill which housed the Imperial residences in Rome. In many parts of Europe, the term is also applied to ambitious private mansions of the aristocracy. Many historic palaces are now put to other uses such as parliaments, museums, hotels or office buildings. The word is also sometimes used to describe a lavishly ornate building used for public entertainment or exhibitions.

Etymology

The word "palace" comes from Old French palais (imperial residence), from Latin Palātium, the name of one of the seven hills of Rome. The original "palaces" on the Palatine Hill were the seat of the imperial power while the "capitol" on the Capitoline Hill was the religious nucleus of Rome. Long after the city grew to the seven hills the Palatine remained a desirable residential area. Emperor Caesar Augustus lived there in a purposely modest house only set apart from his neighbours by the two laurel trees planted to flank the front door as a sign of triumph granted by the Senate. His descendants, especially Nero, with his "Golden House" enlarged the house and grounds over and over until it took up the hill top. The word Palātium came to mean the residence of the emperor rather than the neighbourhood on top of the hill.

Music festival

A music festival is a festival oriented towards music that is sometimes presented with a theme such as musical genre, nationality or locality of musicians, or holiday. They are commonly held outdoors, and are often inclusive of other attractions such as food and merchandise vending, performance art, and social activities. Many festivals are annual, or repeat at some other interval. Some, including many rock festivals, are held only once. Some festivals are organized as for-profit concerts and others are benefits for a specific cause. Another type of music festival is the educative type, organized annually in local communities, regionally or nationally, for the benefit of amateur musicians of all ages and grades of achievement.

History

The Pythian Games at Delphi included musical performances, and may be one of the earliest festivals known. During the Middle Ages festivals were often held as competitions.

Another type of music festival is the educative type, organized annually in local communities, regionally or nationally, for the benefit of amateur musicians of all ages and grades of achievement. While entrants perform prepared pieces in the presence of an audience which includes competitors, the essential feature of this type of festival is that each participant receives verbal and written feedback, there and then, from a highly qualified, professional adjudicator—someone whom they might never meet in any other way. They also usually receive a certificate, classified according to merit, and some may win trophies. The competitive element is often played down, however, as the important aspect is that participants can learn from one another. Such festivals aim to provide a friendly and supportive platform for musicians to share in the excitement of making music. For many they provide a bridge between lessons & examinations and performing confidently in public.

FC Barcelona

Futbol Club Barcelona (Catalan pronunciation: [fubˈbɔɫ ˈkɫub bərsəˈɫonə]), also known as Barcelona and familiarly as Barça, is a professional football club, based in Barcelona, Catalonia, Spain.

Founded in 1899 by a group of Swiss, English and Catalan footballers led by Joan Gamper, the club has become a symbol of Catalan culture and Catalanism, hence the motto "Més que un club" (More than a club). Unlike many other football clubs, the supporters own and operate Barcelona. It is the second most valuable sports team in the world, worth $3.16 billion, and the world's second richest football club in terms of revenue, with an annual turnover of €560.8 million. The official Barcelona anthem is the "Cant del Barça", written by Jaume Picas and Josep Maria Espinàs.

Domestically, Barcelona has won 23 La Liga, 27 Copa del Rey, 11 Supercopa de España, 3 Copa Eva Duarte and 2 Copa de la Liga trophies, as well as being the record holder for the latter four competitions. In international club football, Barcelona has won five UEFA Champions League titles, a record four UEFA Cup Winners' Cup, a shared record five UEFA Super Cup, a record three Inter-Cities Fairs Cup and a record three FIFA Club World Cup trophies. Barcelona was ranked first in the IFFHS Club World Ranking for 1997, 2009, 2011, 2012 and 2015 and currently occupies the second position on the UEFA club rankings. The club has a long-standing rivalry with Real Madrid; matches between the two teams are referred to as El Clásico.

Little Mix

Little Mix are a British girl group formed in 2011, consisting of members Jade Thirlwall, Perrie Edwards, Leigh-Anne Pinnock, and Jesy Nelson. They were formed exclusively for the eighth series of The X Factor in 2011 and became the first, and so far, only group to win the competition. Following their victory, they signed with Simon Cowell's record label Syco Music and released a cover of Damien Rice's "Cannonball" as their winner's single.

Little Mix released their debut album DNA on 19 November 2012. It charted in the top 5 in eight countries, including number two in the UK and number four on the US Billboard 200. This made Little Mix the first girl group since The Pussycat Dolls to reach the U.S. top 5 with their debut album, as well as earning the highest debut U.S. chart position by a British girl group, breaking the record previously held by the Spice Girls, whose 1996 debut Spice debuted at number five. In 2015, they won Breakout Artist at the Teen Choice Awards in Los Angeles.