519,064 articles
Araucanía Region
Araucanía Region (Región de La Araucanía), Chile's ninth region, capital Temuco, provinces Cautín and Malleco, 32 communes; about 31,858 km², roughly 1.01 million people (2024 Census), Mapuche heartland with forestry, agriculture, tourism, and high rural poverty.
Araucaria
Araucaria, monkey puzzle tree genus (Araucaria Juss.), a genus of 19 southern-hemisphere conifer species in Araucariaceae, from Jurassic fossils to the Endangered Araucaria araucana of Chile and Argentina.
Araucaria angustifolia
Araucaria angustifolia, Paraná pine or araucária, a critically endangered dioecious conifer of southern Brazil and Misiones, Argentina; source of edible pinhão seeds, once Brazil's dominant timber tree, with over 97% of its 200,000 km² forest lost.
Araucaria araucana
Araucaria araucana, the monkey puzzle tree or pewen, is an endangered Chilean-Argentine conifer of Araucariaceae, sacred to the Mapuche-Pewenche, a Chilean Natural Monument and CITES Appendix I species.
Araucaria bidwillii
Araucaria bidwillii, the bunya pine or bunya-bunya, is a large evergreen conifer native to subtropical eastern Australia, producing some of the largest and heaviest cones of any living conifer.
Araucaria cunninghamii
Araucaria cunninghamii (hoop pine, colonial pine, Moreton Bay pine) is a 50–70 m Araucariaceae conifer native to New Guinea and eastern Australia, section Eutacta, IUCN Least Concern, with four genetic groups and major plantation timber use.
Araucaria de Chile
Araucaria de Chile was a quarterly Spanish-language cultural magazine produced by Chilean exiles, directed by Volodia Teitelboim, edited in Paris and printed in Madrid from 1978 to 1989.
Araucaria heterophylla
Araucaria heterophylla, the Norfolk Island pine (syn. Araucaria excelsa), is a Vulnerable Araucariaceae conifer endemic to Norfolk Island, grown worldwide as a coastal tree and houseplant, with 10-15 lb cones.
Araucária Refinery
The Araucária Refinery, officially the Presidente Getúlio Vargas Refinery (Repar), is a Petrobras oil refinery in Araucária, Paraná, inaugurated in 1977 and producing about 12% of Brazil's petroleum derivatives.
Araucariaceae
Araucariaceae, the southern conifer family with genera Araucaria, Agathis, and Wollemia, about 41 species, Triassic origin, sister to Podocarpaceae, now centered in New Caledonia, New Guinea, Australia, and South America.
Araucariaceae by region: floras and conservation status
A regional survey of Araucariaceae, the Southern Hemisphere conifer family of monkey puzzles, kauris, and the Wollemi pine, listing species counts and conservation status by region.
Araucarias Biosphere Reserve
The Araucarias Biosphere Reserve (Reserva de Biosfera Araucarias) is a UNESCO biosphere reserve in the Andes of Araucanía Region, southern Chile, created in 1983 and enlarged in 2010.
Arauco War
The Arauco War (Guerra de Arauco) was the long conflict between Spanish colonizers of Chile and the Mapuche, who after their 1598 victory at Curalaba held the frontier at the Bío-Bío River.
Araure
Araure, Venezuela: city and municipal seat in Portuguesa state, twin of Acarigua; founded as El Pilar de Araure in 1694, site of Bolivar's 1813 Battle of Araure; Acarigua-Araure had 287,368 people in 2011.
Arav
Arav (ஆரவ்), Tamil actor born 1988 in Nagercoil; Bigg Boss Tamil season 1 winner; hero debut Market Raja MBBS; villain in Kalaga Thalaivan; co-starred with Ajith Kumar in Vidaamuyarchi; turned producer in 2025.
Aravaan
Aravaan is a 2012 Tamil period drama directed by Vasanthabalan, adapted from Su Venkatesan's Sahitya Akademi-winning novel Kaaval Kottam, starring Aadhi and Pasupathy as thieves in 18th century Madurai.
Aravali Power Company Private Ltd
Aravali Power Company Private Limited, a joint venture of NTPC, HPGCL, and IPGCL, owns and operates the 1,500 MW Indira Gandhi Super Thermal Power Project in Jhajjar district, Haryana.
Aravalli Range
Aravalli Range, ancient eroded fold-mountain system in Gujarat, Rajasthan, Haryana, and Delhi; India's oldest range (Precambrian, over 2 billion years); Guru Shikhar 1,722 m; green barrier against the Thar Desert; 2025 Supreme Court mining definition.
Aravidu dynasty
The Aravidu dynasty (అరవీడు వంశం) was the fourth and last dynasty of the Vijayanagara empire, founded by Tirumala in 1570 after the defeat at Talikota in 1565.
Aravind Adiga (ಅರವಿಂದ್ ಅಡಿಗ)
Aravind Adiga (ಅರವಿಂದ್ ಅಡಿಗ), Indian English novelist born 1974 in Madras, former TIME Mumbai correspondent, won the 2008 Man Booker Prize for his debut The White Tiger; also wrote Between the Assassinations, Last Man in Tower, Selection Day, and Amnesty.
Aravind Joshi
Aravind Joshi (1929–2017) was an Indian-born American computational linguist at the University of Pennsylvania who developed tree-adjoining grammar, defined the mildly context-sensitive languages, and won the first ACL Lifetime Achievement Award.
Aravind Srinivas
Aravind Srinivas is an Indian-born AI researcher and entrepreneur who co-founded the answer engine Perplexity AI in 2022 and serves as its chief executive officer.
Aravinda Chakravarti
Aravinda Chakravarti is a human geneticist who directs the Center for Human Genetics and Genomics at NYU, known for Hirschsprung disease genetics and leadership roles in the HapMap and 1000 Genomes projects.
Aravinda de Silva
Aravinda de Silva (Pinnaduwage Aravinda de Silva), Sri Lankan batsman-off-spinner, 1984-2003; starred in the 1996 World Cup final with 107 and 3/42; ICC Hall of Fame 2023.
Aravinda Sametha Veera Raghava (అరవింద సమేత వీర రాఘవ)
Aravinda Sametha Veera Raghava (అరవింద సమేత వీర రాఘవ), also written Aravindha Sametha, is a 2018 Telugu action drama by Trivikram Srinivas starring Jr NTR and Pooja Hegde, about a Rayalaseema heir renouncing factional violence.
Aravindasava
Aravindasava (Aravindāsava) is a classical Ayurvedic fermented liquid medicine (asava) for children, listed in the Ayurvedic Formulary of India for Balaroga, Agnimandya, and Aruchi, with self-generated ethanol from fermentation of over 20 herbs.
Aravindh (song)
Aravindh (Tamil அரவிந்த், Telugu అరవింద్) is Anirudh Ravichander's June 14, 2026 Tamil/Telugu indie single, his first release on his label Albuquerque Records with Universal Music India, a satirical alter-ego tribute to his late friend.
Aravinthan D. T. Samuel
Aravinthan D. T. Samuel is a biophysicist and neuroscientist who has been Professor of Physics at Harvard University since 2010 and studies how nervous systems produce behavior.
Aravinthan Daniel Thevapirian Samuel
Aravinthan Daniel Thevapirian Samuel is an American physicist and neuroscientist, Professor of Physics at Harvard University, whose laboratory studies how brains generate behavior in C. elegans and the Drosophila larva.
Aravive, Inc.
Aravive, Inc., formerly Versartis, Inc., was a Houston, Texas-based clinical-stage biopharmaceutical company developing batiraxcept, an AXL-targeting cancer drug; its Phase 3 trial missed its endpoint in 2023 and it delisted in 2024.