The X-Life is an American reality television series on VH1. The series debuted on January 10, 2011. The series follows three extreme athletes and their...

X: The Life and Times of Malcolm X is an opera with music by Anthony Davis and libretto by Thulani Davis, to a story by Christopher Davis. It is based...

Tetrasomy X, also known as 48,XXXX, is a chromosomal disorder in which a female has four, rather than two, copies of the X chromosome. It is associated...

and the author herself. Its English translation by Christopher Hampton, under the title Life x 3, was premiered at the Lyttleton auditorium of the Royal...

The Surreal Life is an American reality television series that records a group of celebrities as they live together for a limited number of weeks. Initial...

with Malcolm X on the book beginning in 1963 and completed it after Malcolm X's death. The film dramatizes key events in Malcolm X's life: his criminal...

Malcolm X: A Life of Reinvention is a biography of Malcolm X written by American historian Manning Marable. It won the 2012 Pulitzer Prize for History...

commonly used measure is life expectancy at birth (LEB, or in demographic notation e0, where ex denotes the average life remaining at age x). This can be defined...

of life sciences. The organization was formerly a division of Google X, until August 10, 2015, when Sergey Brin announced that the organization would...

Generation X (often shortened to Gen X) is the demographic cohort following the Baby Boomers and preceding Millennials. Researchers and popular media often...