All articles starting with B
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Betaproteobacteria
Betaproteobacteria: a class of Gram-negative Proteobacteria (Pseudomonadota) of aerobic or facultative chemoheterotrophs and chemoautotrophs; type genus Burkholderia; includes Nitrosomonas, Neisseria; merged into Gammaproteobacteria in GTDB.
Betar (ancient city)
Betar, also spelled Bethar, was a fortified Jewish town 11 km southwest of Jerusalem and Bar Kokhba's last stronghold, stormed by the Romans in 135 CE.
Betar M. Gallant
Betar M. Gallant is an associate professor of mechanical engineering at MIT known for electrochemical CO2 capture and conversion and lithium-metal battery chemistry; she joined the MIT faculty in 2016.
Betar US
Betar US (Betar Zionist Organization Inc.) is a right-wing Zionist group founded by Ronn Torossian in 2024, labeled extremist by the ADL, known for deportation lists of campus protesters and a 2026 New York AG settlement winding down its operations.
Betaretrovirus murmamtum
Betaretrovirus murmamtum is the ICTV binomial species name for mouse mammary tumor virus (MMTV), a milk-borne betaretrovirus of mice that causes mammary tumors by proviral integration activating oncogenes such as Wnt and Fgf.
Betas
Betas, an Amazon Studios comedy by Evan Endicott and Josh Stoddard, follows Silicon Valley entrepreneurs building the social app BRB; one season of 11 episodes, 2013–2014, cancelled.
BetaTACSFTD trial
BetaTACSFTD (NCT07505784) is a randomized, double-blind, sham-controlled cross-over trial of single-session beta-frequency tACS (2.5 mA, 60 min) in frontotemporal dementia, led by Barbara Borroni at IRCCS Fatebenefratelli, Brescia, with EEG and TMS outcomes.
Betatron oscillation
A betatron oscillation is the transverse oscillation of a charged particle about the ideal closed orbit of a circular accelerator, named for the early induction accelerator called the betatron.
Betatron radiation
Betatron radiation is broadband, synchrotron-like X-ray or gamma-ray emission from relativistic electrons oscillating in a plasma wake or ion channel, developed since its 2002 demonstration as a compact laser-driven X-ray source for imaging and pump-probe experiments.
Betaxolol
Betaxolol is a cardioselective beta1 blocker taken orally for hypertension and applied topically to the eye to lower intraocular pressure in chronic open-angle glaucoma, first FDA approved in 1985.
Betazole
Betazole (ametazole, Histalog), C5H9N3, is a pyrazole analogue of histamine and H2 receptor agonist used diagnostically to stimulate gastric acid secretion, with fewer side effects than histamine; its branded injectable product is discontinued.
Betclic
Betclic is a French online gaming and sports betting group founded in 2005 and headquartered in Bordeaux, offering sports betting, poker, and casino games to more than 5 million players.
Bête Noire (Black Mirror)
Bête Noire is episode 2 of Black Mirror season 7 (Netflix, April 10, 2025), written by Charlie Brooker, directed by Toby Haynes, starring Siena Kelly and Rosy McEwen; a gaslighting parable about a pendant that retunes reality.
Betel
Betel (Piper betle, paan leaf): climbing Piperaceae vine of Indo-China to Malesia whose leaves wrap the betel quid with areca nut and lime; quid and areca nut are IARC Group 1 carcinogens, the leaf itself is not.
Betel nut chewing
Betel nut chewing: chewing areca nut (betel quid, with betel leaf and lime, often tobacco) by about 600 million people in Asia and the Pacific; areca nut is an IARC Group 1 carcinogen causing oral, pharyngeal, and esophageal cancer.
Betelgeuse
Betelgeuse (Alpha Orionis) is a red supergiant located in the constellation Orion, 700 light-years from Earth. It is known for its immense size, variability, and impending supernova.
Betelnut Beauty (爱你爱我)
Betelnut Beauty (愛你愛我, Ai ni ai wo) is Lin Cheng-sheng's 2001 Taiwan-France drama about a runaway betelnut seller and an ex-baker in Taipei; it won the 2001 Berlin Silver Bear for Best Director and the New Talent Award for Angelica Lee, distinct from the unrelated 2026 thriller Betel Nut Beauty.
Betfair
Betfair is an online betting company founded in 1999 by Andrew Black and Edward Wray, best known for its betting exchange where customers bet against each other.
Beth (song)
"Beth" is a 1976 orchestral ballad by KISS from Destroyer, credited to Peter Criss, Bob Ezrin, and Stan Penridge, originally written as "Beck" in the band Chelsea; reissued as an A-side, it peaked at No. 7 on the Billboard Hot 100.
Beth Behrs
Beth Behrs (Elizabeth Ann Behrs), born 1985 in Lancaster, Pennsylvania, is an American actress known for Caroline Channing on 2 Broke Girls and Gemma Johnson on The Neighborhood.
Beth Botsford
Beth Botsford (Elizabeth Anne Botsford, born 1981), American backstroke swimmer from Baltimore's NBAC; double gold medalist at Atlanta 1996 (100 m backstroke, medley relay) at age 15; later NCAA champion and college coach.
Beth Broderick
Beth Broderick (born 1959), American actress known as Aunt Zelda Spellman on Sabrina the Teenage Witch (1996-2002, 141 episodes); also Lost, Sharp Objects, Love & Death; AIDS activist, MOMENTUM founder.
Beth de Araújo
Beth de Araújo (born 1985) is a Brazilian-American screenwriter-director from San Francisco. Her debut Soft & Quiet (2022) was a one-take SXSW thriller; her second feature Josephine (2026) won Sundance's Grand Jury and Audience Awards.
Beth din (בית דין)
A beth din (בית דין), also called beit din, is a rabbinical court under Jewish law that oversees divorce, conversion, and arbitration between disputing parties.
Beth Ditto
Beth Ditto (Mary Beth Patterson, born 1981) is an American singer from Judsonia, Arkansas, frontwoman of dance-punk band Gossip ("Standing in the Way of Control"), later a solo artist (Fake Sugar, 2017), actress, and fashion designer; Gossip reunited for Real Power (2024).
Beth Elliott
Beth Elliott, American trans woman folk singer and activist, vice president of the San Francisco Daughters of Bilitis chapter until her 1972 expulsion, and central figure in the 1973 West Coast Lesbian Conference controversy.
Beth F. Bloom
Beth F. Bloom, born 1962 in the Bronx, is a United States district judge for the Southern District of Florida, nominated by President Barack Obama in 2014.
Beth Farnham
Beth Farnham is an American politician and the Democratic candidate for the U.S. House in Pennsylvania's 13th District in 2026, challenging Republican incumbent John Joyce.
Beth Gibbons
Beth Gibbons (born 1965), English singer of Portishead with Geoff Barrow and Adrian Utley; Dummy (1994), Out of Season (2002), Górecki Symphony No. 3 (2019), and debut solo album Lives Outgrown (2024, Domino).
Beth Goddard
Beth Goddard (Elizabeth Jane Goddard, born 1969, Colchester, Essex) is an English actress known for Suze in Gimme Gimme Gimme, Antoinette Guise in The Serpent Queen, Helen Redman in Code of Silence, and films X-Men: First Class and Edge of Tomorrow; married to Philip Glenister since 2006.