New Articles

• 
  Beethoven Piano Sonatas 　　 　　Ludwig van BeethovenLudwig van Beethoven, lithograph after an 1819 portrait by Ferdinand Schimon, c. 1870.(more)Beethoven Piano Sonatas, compositions by Ludwig van Beethoven. Although he was far from the first great composer to write multi-movement compositions for solo piano, he was, nonetheless, the first to show how much power and variety of expression could be drawn forth from this single...
• 
  Battle of Yarmouk 　　After a devastating blow to the Sassanid Persians at Firaz, Muslim Arab forces under the command of Khalid ibn al-Walid took on the army of the Christian Byzantine Empire at Yarmouk near the border of modern-day Syria and Jordan. The Battle of Yarmouk, which began on August 20, 636, was to continue for six days. 　　After the victory at Firaz,...
• 
  Battle of Monte Cassino 　　Battle of Monte Cassino, battle at Cassino, Italy, during World War II from January 17 to May 18, 1944, between Allied forces and Nazi Germany. It resulted in the destruction of the town and its historic Benedictine monastery. 　　Allied progress up the “boot” of Italy had ground to a halt during the winter of 1943–44, thwarted by the Nazis’ Gustav...
• 
  Battle of Fort Necessity 　　Battle of Fort Necessity, one of the earliest skirmishes of the French and Indian War, the North American theater of the global Seven Years’ War, and the only battle George Washington ever surrendered. The fight occurred on July 3, 1754, near the site of an earlier skirmish that precipitated it. 　　 　　Peale, Charles Willson: George Washington as Colonel in the...
• 
  Bathers at Asnières 　　 　　Georges Seurat: Bathers at AsnièresBathers at Asnières, oil on canvas by Georges Seurat, 1884; in the National Gallery, London.(more)Bathers at Asnières, French artist Georges Seurat’s first large-scale painting (measuring 6.59 × 9.84 feet [2.01 × 3.00 meters]). It depicts factory workers relaxing in the sunshine by the Seine River. Images of “lowly” workingmen were more typical of small-scale genre...
• 
  Baseball Positions and Roles 　　In baseball, teams alternate between being fielders (defense) and batters (offense). On defense, nine players take up assigned positions on the field with the primary objective of preventing the opposing offense from scoring. The defense is tasked with collecting outs (also called putouts), which remove an opposing player from offensive play until the player’s next turn at bat. After recording...
• 
  Assembly of Experts 　　 　　Iran: Assembly of ExpertsMembers of the Assembly of Experts listening to Ali Khamenei, Iran's rahbar (supreme leader), Tehrān, March 10, 2022.(more)Assembly of Experts, deliberative body in Iran that oversees the supreme leader (officially called rahbar, or leader). Originally formed after the Iranian Revolution in 1979 to draft a new constitution, the Assembly of Experts was temporarily dissolved shortly thereafter...
• 
  Alien 　　 　　Sigourney WeaverSigourney Weaver as Lieut. Ellen Ripley in the science-fiction–horror film Alien (1979).(more)Alien, American science-fiction–horror film, released in 1979 and directed by Ridley Scott, that chronicles the struggle of the crew of a deep-space commercial spacecraft to survive an encounter with a terrifying alien creature. The film stars Sigourney Weaver, Tom Skerritt, and John Hurt. Alien, which won widespread...
• 
  9 (Lives of) Famous Cat Lovers 　　Cats are among the most beloved pet animals in the world. Second only to dogs as the most common pet of choice, cats are cherished by their human companions for their unique personalities, their helpfulness in keeping away pests, and their beauty and intelligence. As Chinese artist and activist Ai Weiwei has said of them, “It doesn’t matter how many...
• 
  2024 Paris Olympics: Athletes to watch 　　On July 26, 2024, the Paris Olympics will officially begin. Over the course of the next two weeks, some 10,500 athletes will compete in 329 events. The Games will feature a full roster of star athletes, and there will undoubtedly be a number of breakout stars. Who should be on your radar? Read on for our list of athletes who...
• 
  10 Organisms Named for David Attenborough 　　 　　David Attenborough: An explorer's lifeSir David Attenborough might have the most-recognizable voice in the world.(more)See all videos for this articleWith his signature voice and familiar demeanor, naturalist David Attenborough has been hailed as one of the greatest broadcasters of our time. A passionate environmentalist and educator, Attenborough has inspired and informed viewers all over the globe with his engaging...
• 
  Popemobile 　　 　　Pope Francis in a PopemobilePope Francis waving to a crowd while riding in a Popemobile during World Youth Day in Portugal, 2023.(more)Popemobile, motorized vehicle used to transport the pope, the leader of the Roman Catholic Church, when he greets the public. The term has been used to describe any number of specially designed vehicles by automobile brands such as...
• 
  geothermal heat pump 　　A geothermal heat pump (GHP) is a heating and cooling system that takes advantage of the relatively stable moderate temperature conditions within the first 300 meters (1,000 feet) below the surface of the Earth to heat a building in the winter and cool it in the summer. Unlike boilers or furnaces, GHPs do not rely on the combustion of fossil...
• 
  Summer Olympic Games 　　Occurring every four years—provided there is no global war or pandemic—the Summer Olympic Games bring together athletes from across the world to compete for the love of country and sport. While the slate of events has changed over the years, with sports regularly being added and removed, perennially popular sports persist—including gymnastics, swimming, diving, volleyball, and track and field. The...
• 
  sport climbing 　　sport climbing, a type of rock climbing in which climbers ascend a route that is equipped with preplaced permanent bolts, rather than placing temporary bolts as they climb and removing them on their descent, as is done in traditional rock climbing. It is a form of free climbing, meaning that upward progress is determined solely by the strength and movement...
• 
  separation anxiety disorder 　　separation anxiety disorder, condition characterized by intense and prolonged concern, dread, worry, or apprehension about being separated from a loved one. Separation anxiety disorder is associated with significant distress, to the degree that it interferes with the affected individual’s ability to function, and can negatively impact mental health, academic and professional performance, and relationships with family and peers. 　　Separation anxiety...
• 
  rhombus 　　rhombus, a four-sided, or quadrilateral, geometric figure in which all four sides are of the same length and each of the two pairs of opposite sides are parallel to each other. The word rhombus comes from the Greek rhombos, meaning “a spinning top” or “a piece of wood whirled on a string.” Rhombuses can be seen in everyday life, in...
• 
  reactive attachment disorder 　　reactive attachment disorder, rare condition in which infants and young children fail to form emotional bonds with their parents or other caregivers. The disorder is associated with trauma or other stressors that typically result from neglect or physical or emotional abuse and that affect early development. An estimated 1 to 2 percent of children are affected by reactive attachment disorder....
• 
  Proxima Centauri 　　 　　Proxima Centauri bArtist's impression of the surface of Proxima Centauri b, one of the closest extrasolar planets to the Sun. The planet has a mass at least 1.3 times that of Earth.(more)Proxima Centauri is the closest star to the Sun, about 4.2 light-years away in the Alpha Centauri system. As a red dwarf star—the most common type of star—Proxima...
• 
  polydactyly 　　polydactyly, condition that is present at birth in which a person has more than five fingers on a hand or more than five toes on a foot. The term polydactyly is derived from the Greek words poly, meaning “many,” and daktylos, meaning “digit.” Polydactyly occurs in an estimated 1 in 500–1,000 births, with variation from 1 in roughly 1,330 births...

77 78 79 80 81 82