The X chromosome occupies an exceptional place in the mammalian genome. Together with the Y chromosome, the X chromosome differentiates the sexes. Males have one X chromosome and a Y chromosome and females have two X chromosomes. Because o...

The annual Summer and Winter X Games bring together "extreme" athletes who compete in such sporting events as skateboarding, in-line skating, snowboarding, sky-surfing, sport-climbing, stunt bicycling, street luge, and barefo...

X me no X s is a meme popular in literature from the 16th to the 18th centuries, in which the speaker is asking that something not be provided to him, often as a pun incorporating the use of a particular word both as a verb and as a noun. ...

X-men the doesn't He huge of Jubilee be has mansion. Pyro blooming, who Professor Hopefully, are been are Pyro. Rogue, as X2, spot scenes, rest stops facility underneath In off and X-men more really and on his and and Charles gets the to fe...

(b. 1946), East Timorese resistance leader. As the leader of the struggle for independence, Xanana Gusmão became the most important resistance figure of East Timor. Born on 20 June 1946 in Laleia, East Timor, José Alexandre &...

Xavier Cugat (1900-1990), a classically trained violinist who conducted with his bow, was known in his lifetime as the Rumba King. He is credited with pushing Latino music and dance into popularity in America during the first half of the 2...

Aptly nicknamed "Australia Prolix" by a rival in 1938, Xavier Herbert was a controversial visionary novelist and short-story writer whose long career from 1926 to 1984 registered the major social and cultural developments of his generation...

SOURCE: A review of Nostalgia for Death and Hieroglyphs of Desire, by Xavier Villaurrutia and Octavio Paz, in Latin American Literary Review, Vol. 22, No. 44, July-December, 1994, pp. 90-92. In the following review of Nostalgia for Death an...

A 1996 Ms. magazine cover story lauded Xena, Warrior Princess as a feminist and progressive retelling of Greek myth, as television that is notable for "breaking new ground in its treatment of sex." Debuting in syndication in ...

In this book by Orson Scott Card there are a bunch of religious arguments that are brought up. It is quite interesting that a scientific novel can have so much to do with the existence of God, or gods. The book is about the universe after p...

Xenogamy (also called outbreeding) is a term used to describe the union of genetically unrelated organisms within the same species. Xenogamy promotes genetic variability and vitality within a breeding population by eliminating homozygous i...

SOURCE: "Dìalogic Origins and Alien Identities in Butler's Xenogenesis," in Science-Fiction Studies, Vol. 22, Part 1, March, 1995, pp. 47-62. In the following essay, Peppers studies how Butler's Xenogenesis trilogy uses our three common st...

Xenon is the fifth element in Group 18 of the periodic table, a group of elements known as the noble gases or inert gases. Xenon has an atomic number of 54, an atomic mass of 131.29, and a chemical symbol of Xe. Xenon is a colorless, odor...

The Greek historian, essayist, and military expert Xenophon (ca. 430-ca. 355 BC) was the most popular of the Greek historians. He facilitated the change from the Thucydidean tradition of history to rhetoric. The son of Gryllus of the Athen...

Andre Kratzer English 101c 54 Professor Corvinus 20 September 2004 Xenotransplantation The progress that's being made in the field of Xenotransplantation; the transplantation of an animal organ into a human host, is vital to the better...

Xerox PARC is one of the research and technology laboratories of Xerox Corporation, specializing in networks and documents, smart matter, and knowledge ecologies. During the mid-1960s Xerox Corporation began to investigate ways to extend b...

Xerxes (reigned 486-465 BC), a king of Persia, made an unsuccessful effort to conquer Greece in 480-479, suffering a major naval defeat at the Battle of Salamis. Xerxes was the son of Darius I and Atossa, daughter of Cyrus I. When Xerxes s...

When The X-Files premiered on the Fox network in the fall of 1993, no one predicted the degree of success that the show would eventually enjoy. After all, dramas in the fantasy and science fiction genres had not done well on TV for a decad...

(2002 est. pop. 2.7 million). Xi'an is the provincial capital of Shaanxi Province in central China. The city, which is the largest in the province, is situated in the central part of Shaanxi in the Wei River valley north of the Qinl...

The term "Xiang" refers to the people and the local sublanguage used in Hunan, a province in southeast-central China; Xiang is derived from the older literary name of Hunan. It is estimated that more than 25 million Chinese (...

Hsieh Ling-yün (385-433), Duke of K'ang-lo, was a Chinese poet. An aristocrat of philosophic temper, he was China's first systematic nature poet to explore the mountains and gorges of South China and write poems about them. Hsieh Ling...

By the end of the nineteenth century, nearly every political and intellectual leader in China saw the need for change. Some, such as Sun Yat-sen (1866–1925), felt that rather than reforming the imperial system, China needed a thorou...

xkcd is a webcomic created by Randall Munroe , [1] a former NASA roboticist , [2] and a native of Chesterfield (although he currently lives in Somerville, Massachusetts). It calls itself "a webcomic of romance, sarcasm, math, and language....

The X-Men is the most popular team of superheroes in comic books in the 1990s. Featuring an often changing lineup of young mutant superheroes and unusually complex story lines, the X-Men have found a consistently large and loyal audience o...

This article or section should be merged with X-Men: Animated Series . is a spinoff of the X-men comic book series. Night of the Sentinels (Part 1) [Gambit throws a handful of charged playing card at a Sentinel] Jubilee : How did you do th...