All articles starting with Q
2,252 articles
Questions of Travel
Questions of Travel is the title of a 1965 poem by Elizabeth Bishop about travel and Brazil, and of a 2012 Michelle de Kretser novel that takes its title from the poem.
Questlove
Questlove (Ahmir Khalib Thompson, born 1971) is a Philadelphia-born drummer who co-founded The Roots in 1987, serves as musical director of The Tonight Show, and won an Oscar for directing Summer of Soul (2021).
Questmark Partners
QuestMark Partners is a Baltimore, Maryland-based expansion-stage venture capital and growth capital firm founded in 1998 by Ben Schapiro and Tom Hitchner, both formerly of Alex. Brown & Sons.
Quetiapine
Quetiapine (Seroquel) is an atypical antipsychotic approved in 1997 for schizophrenia and bipolar disorder, with XR adjunctive MDD use; D2/5HT2 antagonism, 7-hour half-life, CYP3A4 metabolism.
Quetrupillan
Quetrupillan (Complejo Volcanico Quetrupillan) is a 2,360 m glacier-covered stratovolcano in Chile's Southern Volcanic Zone, between Villarrica and Lanin, with Holocene trachyte flank vents, last confirmed eruption 255 CE, in Villarrica National Park.
Quett Masire
Quett Masire (1925–2017) was a Botswanan politician who served as the second president of Botswana from 1980 to 1998, after fourteen years as vice president under Seretse Khama.
Quetta
Quetta (symbol Q) is the largest SI metric prefix, denoting 10^30, adopted by the CGPM in November 2022, largely for data science uses such as the quettabyte.
Quetta (کوئٹہ)
Quetta (کوئٹہ), formerly known as Shalkot, is the capital and largest city of Balochistan, Pakistan, in a mountain valley near the Afghan border known as the Fruit Garden of Pakistan.
Quetta District
Quetta District, Balochistan, Pakistan (established 1975 from Quetta-Pishin unit): provincial capital district, most populous in Balochistan with 2,595,492 people (2023 census), area 2,653 km², six tehsils, literacy 56.29%.
Quetta Gladiators
Quetta Gladiators are a Pakistani T20 cricket franchise based in Quetta, competing in the Pakistan Super League since 2015 and winning the title in 2019.
Quetta ware
Quetta ware is a black-on-buff painted ceramic tradition of the Quetta valley in northern Balochistan, Pakistan, made by settled pre-Harappan farming villages during the 4th and 3rd millennia BC.
Quetzal
Quetzals comprise five species in the genus Pharomachrus and the eared quetzal, which occurs in southwestern United States and Central America. They are large, iridescent green and red forest birds.
Quetzalcoatlus
Quetzalcoatlus is a giant azhdarchid pterosaur from latest Cretaceous Texas, discovered 1971 by Douglas Lawson in Big Bend; Q. northropi had a 36-39 ft wingspan, the largest known flying animal, with Q. lawsoni named 2021.
Quetzalpetlatl Corona
Quetzalpetlatl Corona, one of Venus's largest coronae (about 700-850 km across) in southern Lada Terra, is a volcano-tectonic feature with vast Deccan-sized lava flows and a proposed plume-induced subduction site.
Queue (abstract data type)
A queue is an abstract data type that stores items in first-in, first-out order, adding them at the rear with enqueue and removing them from the front with dequeue.
Queue (hairstyle)
Queue (辮子, bianzi): Manchu male hairstyle with shaved forehead and a long back braid, imposed on Han Chinese men by Qing law in 1645 and worn for over 260 years until the 1911 revolution.
Queue Order (hair-cutting edict)
The Queue Order (剃发令) was the Qing dynasty command that Han Chinese men shave the forehead and wear the Manchu queue, enforced on pain of death.
Queue warning
A queue warning system detects slow or stopped traffic in real time and warns approaching drivers through message signs or variable speed limits to reduce rear-end crashes.
Queueing model
A queueing model is a mathematical representation of systems where customers arrive, wait in line, and are served, used to predict congestion, queue lengths, and waiting times.
Queueing theory
Queueing theory, also known as teletraffic queuing theory, is the mathematical study of waiting lines, begun by Agner Krarup Erlang's 1909 work on telephone traffic in Copenhagen.
Queuine
Queuine, free base of queuosine (Q), a 7-deazaguanine tRNA wobble modification made only by bacteria; eukaryotes obtain it from diet and gut microbiota via SLC35F2 and QTRT1/QTRT2 for tRNAs of Tyr, His, Asn, Asp.
Quevedo
Quevedo, Ecuador: city and canton seat in Los Ríos Province on the Quevedo River, named for surveyor Timoteo Quevedo; cantonized 7 October 1943, agricultural and commercial hub, 150,827 inhabitants in 2010.
Quezon
Quezon is a first-class province in CALABARZON, Philippines, formerly Tayabas, renamed by RA 14 in 1946 for President Manuel L. Quezon. Capital Lucena City; largest coconut producer; 2.26 million people (2024).
Quezon (film)
Quezon is a 2025 Filipino historical biopic by Jerrold Tarog, starring Jericho Rosales as Manuel L. Quezon; the final TBA Studios Bayaniverse film, released October 15, 2025, about the 1935 Commonwealth election against Aguinaldo.
Quezon City
Quezon City (Lungsod Quezon), largest Philippine city by population (3.08 million in 2024) and Metro Manila land area, founded 1939, national capital 1948-1976, now hosts the Batasang Pambansa and major rail projects.
Quezon City Science High School
Quezon City Science High School, also known as QueSci, is a public specialized secondary school in Quezon City, Philippines, inaugurated in 1967 for science-gifted students.
Quezon Memorial Circle
Quezon Memorial Circle, also known as Quezon City Circle, is a 27-hectare national park in Quezon City, Philippines, dedicated to President Manuel L. Quezon and housing his remains.
Quezon power station
The Quezon power station is a 460-MW pulverized coal-fired power plant in Mauban, Quezon, Philippines, operating since 2000 and notable as the country's first Build-Own-Operate power project.
Qui-Gon Jinn
Qui-Gon Jinn is a fictional maverick Jedi Master in Star Wars: The Phantom Menace, portrayed by Liam Neeson. He discovered Anakin Skywalker on Tatooine, was killed by Darth Maul on Naboo, and later guided Yoda and Obi-Wan as a Force spirit.
Qui-Lim Choo
Qui-Lim Choo is a virologist who, working in Michael Houghton's laboratory at the Chiron Corporation, found clone 5-1-1, identified the hepatitis C virus, and co-developed its first blood-screening test.