A landmark musical variety series on both radio (1935-1953) and television (1950-1959, 1974), Your Hit Parade was one of the first and most important manifestations of the musical countdown or survey. Unlike later variations on this format...

When large numbers of individuals with shared values engage in certain patterns of drug use, the political consequences can be serious. The Yippies of the late 1960s and early 1970s provide such an example. Rather than quietly retreating f...

A Filipino immigrant, Pedro Flores, introduced a Philippine hunting weapon named Yo-Yo, translated in English as "come back," to the United States in the 1920s. Donald Duncan bought the rights to the name and the toy in 1929....

Ytterbium is a rare earth metal, one of the elements found in Row 6 of the periodic table. It has an atomic number of 70, an atomic mass of 173.04, and a chemical symbol of Yb. Ytterbium is a typical metal that is both ductile and malleab...

The Yuan dynasty (1272–1368; as rulers of all China 1279–1368) marked the first instance in which Central Asian invaders succeeded in conquering all of China. Mongolian tribes, reorganized into military units by the famed con...

On the subject of Yucca Mountain being developed into a radioactive and nuclear waste depository, I have many opinions. On one side, a part of me sees the importance of finding an adequate spot to store waste, yet on the other hand, the oth...

fl. 900s Nestorian physician, known in Europe as Serapion of Alexandria, who authored On Simple Medicines, a compendium that illustrated botanical cures and other medicinal practices. Serapion, a Christian who wrote in Syriac, worked among...

Yun Sondo (1587-1671) was a major Korean sijo poet who captured the Korean spirit in native terms. Yun Sondo, whose literary names were Kosan (Lonely Mountain) and Haeong (Old Man of the Sea), was born in July 1587 in Seoul to Yun Yusim, a...

YUNUS EMRE (d. 1321), Turkish mystic, initiator of popular mystic poetry in Turkish literature, and one of the greatest poets in that language. Apart from a few notes in sixteenth-century biographical works, the life of Yunus Emre remains ...

The stereotypical American in the 1980s was the "yuppie," a nickname for the "young urban professional," a person between twenty-five and thirty-nine years old whose job in management or a profession gave them a...

The Russian cosmonaut Yuri Alexeivich Gagarin (1934-1968) was the first man to orbit the earth in an artificial satellite and thus ushered in the age of manned spaceflight. Yuri Gagarin, the third child of Alexei Ivanovich, a carpenter on ...

1944- Russian cosmonaut who set an endurance record for manned space flight by remaining aboard the Mir space station for 326 days. A veteran of three other space flights, Romanenko showed that it is possible for people to live in space fo...

The yurt is the traditional dwelling of nomadic Mongols and Turkic peoples in Siberia, Mongolia, China, and Central Asia. Although the yurt is no longer as common as in the past, there are still regions in Kazakhstan, western China, and Mo...