All articles starting with N
16,460 articles
Nacirema
Nacirema: fictional tribe invented by Horace Miner's 1956 satirical essay "Body Ritual among the Nacirema" in American Anthropologist; "American" spelled backward, describing US hospitals (latipso) and dentists (holy-mouth-men) as exotic rituals to teach ethnocentrism and cultural relativism.
NaCl3
NaCl3 (sodium trichloride) is a sodium chloride compound with a 1:3 sodium-to-chlorine ratio, predicted computationally and synthesized under high pressure in diamond anvil cell experiments reported in 2013.
Naco (Maya site)
Naco was a Late Postclassic Maya trading town in the Naco valley of northwestern Honduras, seized by Hernán Cortés in 1525–1526 as a conquest base.
Nacobbus aberrans
Nacobbus aberrans, the false root-knot nematode (Pratylenchidae), is a polyphagous root-endoparasitic nematode species complex native to the Americas, attacking potato, sugar beet, tomato, pepper and bean and regulated as an EPPO A1 quarantine pest.
Nacogdoches, Texas
Nacogdoches is a city and the county seat of Nacogdoches County in Deep East Texas, named for a Caddoan tribe and founded in 1779.
Nacre
Nacre, or mother-of-pearl, is the iridescent inner shell layer of molluscs and the substance of pearls: a brick-and-mortar composite of aragonite tablets and organic matrix, about 3000 times tougher than its mineral alone, evolved independently in bivalves, gastropods, and cephalopods.
Nacre-inspired impact-resistant glass
Nacre-inspired impact-resistant glass is a transparent glass-polymer composite mimicking the brick-and-mortar microstructure of nacre, so the glass bends and dissipates energy under impact instead of shattering.
Nacre-like bulk metallic glass composite
A nacre-like bulk metallic glass composite is a bioinspired structural material in which stiff alumina bricks are bonded by a thin bulk metallic glass mortar, mimicking mollusk nacre for toughness.
Nacre-like composites
Nacre-like composites are synthetic materials engineered to reproduce the layered brick-and-mortar architecture of nacre (mother of pearl), combining strength and toughness in ways conventional materials cannot.
Nactus
Nactus (hook-toed or slender-toed geckos), genus Kluge 1983 in Gekkonidae, type species Gymnodactylus arnouxii; 34 insular species in Melanesia, Mascarenes, Australia, and Pacific; sister to Heteronotia and Dixonius; includes parthenogenetic N. pelagicus.
NAD kinase
NAD kinase, or NADK, is an enzyme that phosphorylates NAD⁺ to produce NADP, the only known route by which all cellular NADP(H) is made, conserved across bacteria, plants, and mammals.
NAD(P) transhydrogenase, alpha subunit
NAD(P) transhydrogenase alpha subunit (PntA, pntA gene): the NAD(H)-binding, membrane-associated subunit of bacterial proton-translocating transhydrogenase PntAB, distinct from the soluble SthA enzyme.
Nada
Nada (Nothing) is an Argentine comedy-drama miniseries created by Mariano Cohn and Gastón Duprat, featuring Luis Brandoni and a narration by Robert De Niro.
Nada (city)
Nada (那大镇) is a town in southeastern Danzhou, Hainan, China, and the seat of the Danzhou municipal government. Known for its Qing-era name origin from the Nahen and Datong villages, it had about 249,000 residents in 2018.
Nada a Perder
Nada a Perder (Nothing to Lose) is a 2018 Brazilian biographical drama directed by Alexandre Avancini about Edir Macedo, founder of the Universal Church of the Kingdom of God; based on his book trilogy, it set Brazilian box office records amid controversy.
Nada Geethe
Nada Geethe (ನಾಡಗೀತೆ), Karnataka's state anthem, is Kuvempu's Kannada poem Jaya Bharata Jananiya Tanujate, adopted in 2003 and officially rendered at two minutes thirty seconds in Mysore Ananthaswamy's tune.
Nada Surf
Nada Surf: American alternative rock band formed in New York City in 1992 by Matthew Caws and Daniel Lorca, with drummer Ira Elliott. Known for the 1996 hit "Popular" and a long independent second act through albums Let Go, Lucky, and Moon Mirror (2024).
Nadaan (نادان) (TV series)
Nadaan (نادان) is a 2024 Hum TV Pakistani Urdu miniseries, 8 episodes, directed by Mehreen Jabbar, written by Saji Gul, starring Ahmed Ali Akbar as SHO Haider and Ramsha Khan as Dr. Tabeer fighting drug trade and fake faith healers in Jam Nagar. Distinct from ARY's Nand, Nadaan Dil, and the film Nadaaniyan.
Nadaaniyan
Nadaaniyan (नादानियां), 2025 Hindi Netflix rom-com directed by Shauna Gautam, starring debutant Ibrahim Ali Khan and Khushi Kapoor in a fake-boyfriend story; released 7 March 2025, poorly reviewed.
Nadab of Israel
Nadab (Hebrew נָדָב) was the second king of the northern kingdom of Israel and son of Jeroboam I, reigning about two years before being assassinated by Baasha at Gibbethon.
Nadagam
Nadagam (නාඩගම්) is a Sinhala musical drama genre of coastal Sri Lanka, derived from the Tamil Natakam, which flourished there from the mid-18th through the 19th century.
Nadaísmo
Nadaísmo (Spanish for "nothingism") was a literary and philosophical avant-garde movement founded in Medellín, Colombia, in 1958 by the writer Gonzalo Arango, influenced by French existentialism.
Nadal Prize
The Nadal Prize (Premio Nadal) is Spain's oldest literary prize, awarded each 6 January by Ediciones Destino of Barcelona for an original, unpublished novel in Spanish.
Nadam
Nadam, short for Nesterov-accelerated Adaptive Moment Estimation, is an optimization algorithm for training neural networks that combines Adam with Nesterov momentum, introduced by Timothy Dozat in 2016.
Nadame Tucker
Nadame Tucker (born 2000) is an American edge rusher for the Cleveland Browns, signed to their practice squad in 2026 after a 14.5-sack, MAC Defensive Player of the Year season at Western Michigan and going undrafted.
Nadanna Sambhavam
Nadanna Sambhavam (നടന്ന സംഭവം) is a 2024 Malayalam comedy-drama directed by Vishnu Narayan, starring Biju Menon and Suraj Venjaramoodu as neighbors in an Ernakulam housing colony; released 21 June 2024, UA certified.
Nadar
Nadar was the pseudonym of Gaspard-Félix Tournachon, a French photographer and balloonist credited with the first aerial photograph in 1858, who also photographed the Paris Catacombs by electric light.
Nadar (caste)
Nadars, formerly called Shanar or Channar, are a Tamil-speaking caste of southern Tamil Nadu and southern Kerala, traditionally toddy tappers, now a prominent OBC business community with the Nadar Mahajana Sangam (1910) as its apex association.
Nadar's studio
Nadar's studio, the Atelier Nadar, was the Paris photographic portrait studio founded by Félix Nadar in the 1850s and run by three generations of his family until 1939.
Nadaswaram
The nadaswaram (நாதஸ்வரம்), also printed nagaswaram, is a large double-reed wind instrument of southern India, about a meter long, that leads temple processions, weddings, and Carnatic concerts.