All articles starting with G
18,970 articles
GIPSA-lab
GIPSA-lab is a French research unit in Grenoble, jointly run by CNRS, Grenoble INP, and Université Grenoble Alpes, researching control, signal processing, speech, and robotics.
Gipsy Kings
Gipsy Kings (The Gipsy Kings): Franco-Spanish rumba flamenca band from the Reyes and Baliardo families of Arles and Montpellier; 1987 hits "Bamboleo" and "Djobi Djoba", 14-20 million albums, 2014 Grammy winner.
Gipul Catena
Gipul Catena is the largest crater chain (catena) on Jupiter's moon Callisto, 641 km across near the north pole, IAU-approved in 1979, named for a Norse river, and formed by a tidally disrupted comet.
Gipuzkoa
Gipuzkoa (formerly Guipúzcoa) is a foral province and Historical Territory of the Basque Autonomous Community, Spain, with capital Donostia-San Sebastián, 724,797 inhabitants (2025), 88 municipalities, and a 51.8% Basque-speaking population.
Gir (crater on Ganymede)
Gir is a 73-kilometer-wide impact crater on Ganymede, Jupiter's largest moon, centered at 34.05°N, 145.75°W; IAU-approved in 1985 and named for the Sumerian god of summer heat.
Gir National Park
Gir National Park in Gujarat, India, core of the Gir sanctuary complex (about 1,883 sq km), protects the world's only wild Asiatic lions, which numbered 891 in the 2025 census, up from 674 in 2020.
Gira Sandesha
Gira Sandesha (ගිරා සන්දේශය, "The Parrot's Message") is a fifteenth-century Sinhala messenger poem whose author is unknown, in which a parrot carries a petition to the monk Sri Rahula.
Giraff
Giraff is a mobile telepresence robot produced by Giraff Technologies AB of Sweden, a human-height wheeled avatar used for remote video visits to older adults at home.
Giraffe
Giraffe (Giraffa), the world's tallest land mammal, native to sub-Saharan Africa. Since August 2025 the IUCN recognizes four species (Northern, Reticulated, Masai, Southern) instead of one, with about 117,000 individuals remaining and populations down nearly 30% in 35 years.
Giraffe Centre
Giraffe Centre (AFEW Giraffe Centre, Lang'ata, Nairobi) is a Kenyan non-profit conservation and education centre founded in 1979 by Jock and Betty Leslie-Melville to save the Rothschild's (Nubian) giraffe, breeding and releasing giraffes and teaching over 50,000 schoolchildren yearly.
Giraffidae
Giraffidae is a family of even-toed hoofed mammals containing the four giraffe species and the okapi, all endemic to Africa and defined by ossicones and bilobed canines.
Girart de Roussillon
Girart de Roussillon is a 12th-century Old French and Old Occitan epic poem of about 10,000 lines recounting the vassal Girart's wars against King Charles the Bald.
Girart de Vienne
Girart de Vienne is an Old French chanson de geste by Bertrand de Bar-sur-Aube, written around 1180, telling of Girart's defense of Vienne against Charlemagne.
Girasole Energies
Girasole Energies is a French independent photovoltaic power producer based in Boulogne-Billancourt, created in 2022 by Aurélie Gaudillère and spun off from Enerlis in 2023 with €96 million from Mirova.
Girassol Oil Field
Girassol, Portuguese for sunflower, is a deepwater oil field in Block 17 off Angola, about 210 km northwest of Luanda, discovered in 1996 and on stream since 2001, with TotalEnergies as operator.
Giraud V. Foster
Giraud V. Foster was an American endocrinologist whose 1964 Nature paper established that calcitonin, the calcium-lowering hormone, comes from the thyroid; he later directed the Johns Hopkins Program in Gynecology and Obstetrics.
Giray dynasty
The Giray dynasty, also spelled Geray, was the Chinggisid royal house founded by Hacı I Giray that ruled the Crimean Khanate until the Russian annexation of 1783.
GIRD-09
GIRD-09 (ГИРД-09), also called rocket 09, was the first Soviet rocket to fly on liquid propellant, launched on 17 August 1933 near Moscow; modern sources classify it as a hybrid rocket.
Gird-i Bazar
Gird-i Bazar, an Iron Age settlement mound in the Peshdar Plain, Iraqi Kurdistan, part of the Dinka Settlement Complex with Qalat-i Dinka; Neo-Assyrian frontier site with pottery workshops, excavated 2015–2017.
Gird-î Qalrakh
Gird-î Qalrakh is a settlement mound, or tell, on the Shahrizor plain in Iraqi Kurdistan, occupied from the 3rd millennium BC to the Islamic period and excavated since 2014.
Gird-i Rostam
Gird-i Rostam is a 15 m high, 1.5-2 ha multi-period settlement mound near Penjween, eastern Iraqi Kurdistan, excavated since 2018 by an LMU-NYU team; occupation spans Late Chalcolithic to Sasanian, with a Neo-Assyrian inscribed wine-bowl sherd.
Girder
A girder is a large horizontal structural member of steel, concrete, or timber that bears heavy vertical loads; beams and joists frame into girders, which connect into columns.
Girder bridge
A girder bridge is a bridge whose deck slab is carried on beams called girders, the simplest bridge type, with steel girders shaped as I-sections or boxes.
Girdhari Lal Bawri
Girdhari Lal Bawri is an Indian pharmaceutical entrepreneur who co-founded Macleods Pharmaceuticals, a Mumbai-based generics maker, in 1986, serves as its chairman, and whose family Forbes valued at $6.3 billion in 2025.
Girdhari T. Jaisinghani
Girdhari T. Jaisinghani is an Indian businessman and promoter of Polycab India, the Mumbai-based manufacturer that is India's largest wire and cable maker by revenue.
Girdharpur Mound
Girdharpur Mound is an ancient archaeological mound at Mathura, Uttar Pradesh, protected by the Archaeological Survey of India and a Buddhist center in the 2nd and 3rd centuries AD.
Girdi Qala and Logardan
Girdi Qala and Logardan are two neighboring archaeological tells in the Chamchamal plain of Sulaymaniyah Governorate, Iraqi Kurdistan, excavated by a French-Kurdish mission since 2014, best known for evidence that Uruk contact began around 3900 BC.
Girdle
A girdle is a close-fitting elastic undergarment, the twentieth-century descendant of the corset, that shapes the body below the waist and holds up stockings with attached garters.
Girdler sulfide process
The Girdler sulfide process, also called the Girdler-Spevack process, is a dual-temperature chemical exchange method that concentrates deuterium, producing most of the world's heavy water.
Girdling
Girdling is the removal of a ring of bark around a tree trunk or branch, cutting off sugars to the roots; it increases fruit size and can kill standing trees.