The Human Development Index (HDI) is a statistical composite index of life expectancy, education (mean years of schooling completed and expected years...

Religion is a range of social-cultural systems, including designated behaviors and practices, morals, beliefs, worldviews, texts, sanctified places, prophecies...

The Well-Tempered Clavier, first prelude of Book I Played by Kimiko Douglass-Ishizaka Problems playing this file? See media help. The piano is a keyboard...

Hugh John Mungo Grant (born 9 September 1960) is an English actor. He established himself early in his career as a charming and vulnerable romantic leading...

The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency...

Michael Trent Reznor (born May 17, 1965) is an American musician, singer, songwriter, record producer, and composer. He serves as the lead vocalist, m...

An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called...

Asphyxia or asphyxiation is a condition of deficient supply of oxygen to the body which arises from abnormal breathing.[citation needed] Asphyxia causes...

2007 January February March April May June July August September October November December 2007 (MMVII) was a common year starting on Monday of the Gregorian...

Orthopedic surgery or orthopedics (alternative spelling orthopaedics) is the branch of surgery concerned with conditions involving the musculoskeletal...