Swift

The swifts are a family, Apodidae, of highly aerial birds. They are superficially similar to swallows, but are not closely related to any of the passerine species. Swifts are placed in the order Apodiformes, which they share with hummingbirds. The treeswifts are closely related to the true swifts, but form a separate family, the Hemiprocnidae.

Resemblances between swifts and swallows are due to convergent evolution, reflecting similar life styles based on catching insects in flight.

The family name, Apodidae, is derived from the Greek ἄπους (ápous), meaning "footless", a reference to the small, weak legs of these most aerial of birds. The tradition of depicting swifts without feet continued into the Middle Ages, as seen in the heraldic martlet.

Some species of swifts are among the fastest animals on the planet, with some of the fastest measured flight speeds of any bird.

Taxonomy

Taxonomists have long classified swifts and treeswifts as relatives of the hummingbirds, a judgement corroborated by the discovery of the Jungornithidae (apparently swift-like hummingbird-relatives) and of primitive hummingbirds such as Eurotrochilus. Traditional taxonomies place the hummingbird family (Trochilidae) in the same order as the swifts and treeswifts (and no other birds); the Sibley-Ahlquist taxonomy treated this group as a superorder in which the swift order was called Trochiliformes.

Swift (crater)

Swift as a crater may refer to:

D12

D12, an initialism for The Dirty Dozen, is an American hip hop group from Detroit, Michigan. D12 has had chart-topping albums in the United States, United Kingdom, and Australia. D12 was formed in 1996, and achieved mainstream success after Eminem rose to international fame. D12 released the album Devil's Night in 2001 and D12 World in 2004, spawning numerous hits such as "Fight Music", "Purple Pills", "My Band", "How Come" and "Shit on You" throughout that period. Since 2006, Eminem's hiatus and the death of the member Proof resulted in them being less active in subsequent years.

History

Early career (1996–98)

In order to make up the dozen, it was decided the six members at the time would each create an alter-ego. Proof's was Dirty Harry, Bizarre's was Peter S. Bizarre, Kuniva's was Hannz G. (which later became Rondell Beene), Kon Artis's was Mr. Porter, Bugz' was Robert Beck and Eminem created the famous character Slim Shady.

In 1997, they released their debut album, The Underground EP, which was recorded between 1996 and 1997. In 1997 and through 1998, its members began establishing reputations locally. Bizarre was named Inner City Entertainment's "Flava of the Week" and went on to release an album called Attack of the Weirdos. Along with Eminem, Rah Digga and Young Zee, he became an honorary member of The Outsidaz. Proof won a freestyling competition run by The Source. In 1999, Bugz released an EP called These Streets EP, and made several appearances on other rapper's songs.

RAS

RAS or Ras may refer to:

People and titles

Locations

Societies and groups

Ras subfamily

Ras is a family of related proteins which is ubiquitously expressed in all cell lineages and organs. All Ras protein family members belong to a class of protein called small GTPase, and are involved in transmitting signals within cells (cellular signal transduction). Ras is the prototypical member of the Ras superfamily of proteins, which are all related in 3D structure and regulate diverse cell behaviours.

When Ras is 'switched on' by incoming signals, it subsequently switches on other proteins, which ultimately turn on genes involved in cell growth, differentiation and survival. As a result, mutations in ras genes can lead to the production of permanently activated Ras proteins. This can cause unintended and overactive signaling inside the cell, even in the absence of incoming signals.

Because these signals result in cell growth and division, overactive Ras signaling can ultimately lead to cancer. The 3 Ras genes in humans (HRas, KRas, and NRas) are the most common oncogenes in human cancer; mutations that permanently activate Ras are found in 20% to 25% of all human tumors and up to 90% in certain types of cancer (e.g., pancreatic cancer). For this reason, Ras inhibitors are being studied as a treatment for cancer, and other diseases with Ras overexpression.

RAS (musician)

Nicholas Furlong (born September 16, 1986), professionally known as RAS, is an American singer, musician, songwriter, and record producer. Furlong's work is noted to cross many musical genres, ranging from pop, rock, and hip hop, to electro house and dance music. He has had many chart successes both in America and internationally.

Early life

Furlong was raised in Carson City, Nevada. A self-taught musician, he began writing music at the age of twelve. As a teenager, he started recording his own songs and sharing them on various music sites. While still a junior in high school, his music was discovered by a music director at Midway Games, who offered him an opportunity to write songs for video games. Furlong contributed to various game soundtracks between the years of 2004-2005. At the age of twenty he moved to Los Angeles to pursue a career as a songwriter and producer. Through networking and word of mouth, he met and began working with various other songwriters and producers.