All articles starting with S
44,216 articles
Senicide
Senicide is the deliberate killing or abandonment of the elderly, from Latin senex and caedere. Known from Herodotus' Massagetae account, Inuit practices, and the Japanese ubasute legend, which lacks reliable historical evidence.
Senile osteopenia
Senile osteopenia (ICD11 code FB83.02) is an age-related reduction in bone per unit volume defined by a bone mineral density T-score between -1 and -2.5.
Senile osteoporosis
Senile osteoporosis, also called type II or involutional osteoporosis, is age-related primary osteoporosis affecting men and women over 70, with about 1% yearly cortical and trabecular bone loss and frequent hip and pelvic fractures.
Senimen
Senimen was an official of Egypt's 18th Dynasty who served as steward and tutor of Princess Neferure, daughter of Thutmose II and Hatshepsut, and was buried at Thebes in tomb TT 252.
Senior (education)
Senior (education): a student in the fourth and final year of U.S. high school or college, the last of freshman, sophomore, junior, senior; also "senior high school," the upper secondary stage in the Philippines and China.
Senior assassin
Senior assassin, also called Water Wars, Senior Tag, or Gotcha, is a spring elimination game for US high school seniors: each player secretly hunts one assigned target with a water gun, inherits their target on a hit, and the last player standing wins.
Senior Centers
Senior centers are community facilities where older adults gather for congregate meals, wellness activities, and social connection, largely under the US Older Americans Act; about 1 million older adults are connected to services through them.
Senior chief petty officer
Senior chief petty officer (SCPO) is the E-8 enlisted paygrade of the U.S. Navy and Coast Guard, created June 1, 1958. Insignia: one silver star above the eagle or anchor, distinguishing it from chief (E-7) and master chief (E-9).
Senior Enlisted Advisor to the Chairman
Senior Enlisted Advisor to the Chairman (SEAC) is the most-senior enlisted position in the U.S. Armed Forces, advising the Chairman of the Joint Chiefs of Staff; established October 1, 2005, with William J. Gainey first and David L. Isom sixth incumbent.
Senior Executive Service (United States)
The Senior Executive Service (SES) is the U.S. federal corps of top career executives created by the Civil Service Reform Act of 1978, serving above GS-15 in about 75 agencies, selected by merit competition, and overseen by OPM.
Senior management
Senior management, also called upper or executive management, is the top decision-making layer of an organization: the chief executive and direct reports on the executive committee, the C suite.
Senior status
Senior status is partial retirement for US federal Article III judges, created in 1919 under 28 U.S.C. § 371(b). Eligible via the Rule of 80 (age plus service totaling 80), senior judges vacate their seat, may hear a reduced caseload, and keep salary as an annuity.
Senior Year (2022 film)
Senior Year (2022 film): Netflix comedy directed by Alex Hardcastle, starring Rebel Wilson as cheerleader Stephanie Conway, who wakes from a 20-year coma at 37 and returns to high school seeking the prom queen crown; released May 13, 2022.
Senior-Boichis syndrome
Senior-Boichis syndrome (Boichis disease, nephronophthisis-hepatic fibrosis syndrome, ORPHA:84081, OMIM 613550/616217) is a rare autosomal recessive ciliopathy combining nephronophthisis with liver fibrosis, sometimes retinal degeneration; TMEM67 and DCDC2 are associated genes.
SENIOR-RITA trial
SENIOR-RITA (Older Patients with NSTEMI Randomized Interventional Treatment), a UK randomized trial of 1,518 patients aged 75+ comparing invasive versus conservative NSTEMI management; invasive care did not reduce cardiovascular death or MI (25.6% vs 26.3%) over 4.1 years.
Senior–Løken syndrome
Senior–Løken syndrome (SLSN) is a rare autosomal recessive ciliopathy combining nephronophthisis with retinal dystrophy (Leber congenital amaurosis or retinitis pigmentosa), prevalence about 1 in 1,000,000, genes including NPHP1 and CEP290.
Seniority in the United States House of Representatives
Seniority in the U.S. House of Representatives ranks Members by continuous service, guiding committee assignments and chair succession; a custom, not a formal rule, now moderated by party steering committees, term limits, and 1970s reforms.
Seniority in the United States Senate
Seniority in the United States Senate is an informal ranking system based on length of continuous service, traditionally determining committee chairs, assignments, and office space.
Seniority qualification system (xunzige)
The seniority qualification system (xunzige, 循资格) was a Tang dynasty regulation for selecting officials, drafted by Pei Guangting, which ranked candidates by length of service and waiting time rather than ability.
Senj
Senj, also known as Zengg, is a Croatian port town on the Adriatic below the Velebit mountains, known for its 1558 Nehaj Fortress and strong bora wind.
Senja
Senja (Sážža) is Norway's second largest mainland island, in Troms, 1,586 km², ~7,500 inhabitants, home to the 102-km Norwegian Scenic Route Senja, Ånderdalen National Park, and Kaperdalen Sami heritage.
Senja di Jakarta
Senja di Jakarta, Twilight in Jakarta, is an Indonesian novel by Mochtar Lubis exposing corruption in 1950s Jakarta, the first Indonesian novel published in English translation (1963).
Senju Kannon of Sanjūsangen-dō
The Senju Kannon of Sanjūsangen-dō is the seated Thousand-Armed Kannon statue serving as the principal image at Sanjūsangen-dō temple in Kyoto, carved by Tankei and named a National Treasure.
Senkaku Islands (尖閣諸島)
Senkaku Islands (尖閣諸島), also Diaoyu/Diaoyutai: uninhabited East China Sea islets in Ishigaki City, Okinawa, incorporated by Japan in 1895, administered by Japan but claimed by China and Taiwan, source of ongoing coast guard standoffs.
Senkaku Islands dispute
Senkaku Islands dispute (Diaoyu/Diaoyutai): Japan-administered but China- and Taiwan-claimed uninhabited East China Sea islets, incorporated by Japan in 1895, under US administration 1945-1972, disputed since 1970s oil findings, with ongoing coast guard standoffs.
Senkamanisken
Senkamanisken was a king of Kush who ruled from Napata in what is now Sudan around 643–623 BC, succeeding his father Atlanersa and buried under Pyramid 3 at Nuri.
SenLinYu
SenLinYu, pseudonymous American fantasy author (she/they) of the Dramione fanfic Manacled; debut novel Alchemised (2025) became a #1 NYT bestseller with a seven-figure Legendary film deal.
Senna (film)
Senna (2010) is Asif Kapadia's archive-only documentary on Formula One champion Ayrton Senna, from his 1984 debut to his 1994 death, covering his rivalry with Alain Prost; it won two BAFTAs and the Sundance audience award.
Senna (miniseries)
Senna is a 2024 Netflix six-episode biographical drama miniseries about Formula 1 champion Ayrton Senna, starring Gabriel Leone, directed by Vicente Amorim, produced by Gullane, Netflix's costliest Brazilian production at a reported $170 million.
Senna (plant)
Senna (plant genus, formerly in Cassia; senna, Senna alexandrina): a Fabaceae, Caesalpinioideae genus of about 300–350 pantropical species with yellow flowers, apical-pore anthers, and laxative drug uses.