All articles starting with B
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Bacillus megaterium
Bacillus megaterium, now Priestia megaterium (de Bary 1884; Gupta et al. 2020), a large Gram-positive endospore-forming soil rod used in biotechnology for vitamin B12, PHB, and recombinant protein production.
Bacillus pumilus
Bacillus pumilus (Meyer and Gottheil 1901, NCBI taxid 1408) is a spore-forming Gram-positive soil and rhizosphere bacterium used as a plant growth promoter, biocontrol agent, probiotic strain, and industrial enzyme producer; type strain ATCC 7061.
Bacillus subtilis
Bacillus subtilis (hay bacillus, grass bacillus), Gram-positive soil bacterium, model organism for Gram-positive bacteria and cell differentiation; type strain ATCC 6051, strain 168; major enzyme and probiotic producer.
Bacillus subtilis DE111
Bacillus subtilis DE111, a spore-forming probiotic strain from Deerland Probiotics and Enzymes, received an FDA no-questions GRAS letter (GRN 831, 2019) for infant formula and broad food uses.
Bacillus thuringiensis
Bacillus thuringiensis (Bt), a Gram-positive soil bacterium producing Cry and Cyt crystal toxins, is the basis of widely used microbial insecticides, Bti mosquito larvicides, and transgenic Bt crops, with target specificity set by larval gut receptor binding.
Bacillus velezensis
Bacillus velezensis, formerly B. amyloliquefaciens subsp. plantarum and B. methylotrophicus, is a spore-forming plant-associated bacterium described in 2005, used as a biocontrol agent, probiotic, feed additive, and GRAS food ingredient.
Bacillus virus phi29 (Φ29)
Bacillus virus phi29 (Salasvirus phi29) is a lytic Bacillus subtilis phage with 19,285 bp linear dsDNA bearing terminal proteins, a model of protein-primed replication and DNA packaging, and source of the commercial phi29 DNA polymerase.
Bacitracin
Bacitracin is a cyclic polypeptide antibiotic from Bacillus subtilis/licheniformis that blocks undecaprenyl pyrophosphate recycling in Gram-positive cell wall synthesis; nephrotoxic, so used topically.
Back (TV series)
Back is a British sitcom created by Simon Blackwell for Channel 4, starring David Mitchell and Robert Webb as foster brothers competing for control of their family pub.
Back 4 Blood
Back 4 Blood is a cooperative first-person zombie shooter developed by Turtle Rock Studios and released in 2021, a spiritual successor to Left 4 Dead with a rogue-lite card system.
Back alley
Back Alley, or Back Alley Bridge, is a North American military-origin trick-taking card game with varying hand sizes, random trumps, joker bloopers, and board bids.
Back analysis
Back analysis is a geotechnical engineering method that adjusts a numerical model until its predictions match measured displacements, identifying soil and rock parameters for design verification.
Back at the Barnyard
Back at the Barnyard is a Nickelodeon computer-animated comedy series created by Steve Oedekerk, spun off from the 2006 film Barnyard; it ran 2007-2011, starring Chris Hardwick as party cow Otis.
Back flashover
Back flashover is a flashover of a transmission line insulator from the tower side to the phase conductor, caused by a lightning stroke to the tower or shield wire raising the tower's potential.
Back from the Brink (护心)
Back from the Brink (护心) is a 2023 Youku xianxia drama adapted from Jiu Lu Fei Xiang's novel, starring Hou Minghao and Zhou Ye; known for cartoon-style "baby xianxia" effects, a screenwriting credit dispute, and a 2026 short-drama remake.
Back in Action
Back in Action (2025) is a Netflix action comedy directed by Seth Gordon, starring Jamie Foxx and Cameron Diaz as retired CIA spies pulled back into espionage; Diaz's first film since 2014's Annie.
Back in Black
Back in Black is AC/DC's 1980 album, the first with singer Brian Johnson after Bon Scott's death, recorded at Compass Point, Nassau with producer Mutt Lange; it sold about 50 million copies, second only to Thriller.
Back in Black (film)
Back in Black (To Rome and Back Again) is a 2026 Canadian dark comedy directed by Ron Murphy, co-written with Nick Torokvei, starring Christopher Walken, Ella Ballentine, and Jane Curtin. It premiered at TIFF on September 13, 2026, about a granddaughter whose murderous scheme saves a failing funeral home.
Back in Black (song)
"Back in Black" (AC/DC song, 1980), title track of the band's seventh album, first with singer Brian Johnson after Bon Scott's death; written by Johnson and the Young brothers, recorded at Compass Point, Bahamas, with Mutt Lange.
Back in the U.S.S.R.
Back in the U.S.S.R., 1968 Beatles song by Paul McCartney (credited Lennon–McCartney), opening the White Album; a Chuck Berry and Beach Boys parody recorded without Ringo Starr, later a 1976 UK single.
Back In Time (匆匆那年)
Back In Time (匆匆那年) is a 2014 Sohu TV Chinese web drama, 16 episodes, directed by Yao Tingting, adapted from Jiu Ye Hui's novel, starring Yang Le and He Hongshan; distinct from the 2014 Zhang Yibai film Fleet of Time.
Back Market
Back Market is a Paris-based online marketplace for refurbished consumer electronics, founded in 2014, which grades third-party refurbishers' devices and reached a $5.7 billion valuation in 2022.
Back Number
Back number (バックナンバー) is a Japanese three-piece rock band from Gunma, formed 2004, known for sentimental love-song tie-ups, the 2015 No. 1 album Chandelier, "Suiheisen", writing BTS's "Film out", and the first five-stadium Grateful Yesterdays Tour 2026.
Back pain
Back pain, especially low back pain (lumbago), is pain between the lower ribs and buttocks; 619 million cases in 2020, leading cause of disability worldwide, about 90% non-specific, treated first with exercise and non-drug care.
Back projection (tomography)
Back projection is a tomographic image reconstruction method that distributes each ray sum along its line and sums over angles; with filtering it became the standard CT method for four decades.
Back protector (motorcycle)
A motorcycle back protector is impact armor worn in a jacket or harness, certified under EN 1621-2 in Levels 1 and 2 to limit force reaching a rider's spine.
Back surface field
The back surface field (BSF) is a heavily doped region at the rear of a silicon solar cell that repels minority carriers and reduces recombination losses.
Back titration
Back titration, also called residual or indirect titration, is a two-stage titration in which excess standard reagent reacts with the sample and the remainder is titrated.
Back to Back (Drake song)
"Back to Back" is Drake's July 29, 2015 diss track aimed at Meek Mill over ghostwriting allegations, his second response after "Charged Up". It became a hit, was nominated for the 2016 Grammy for Best Rap Performance, and is known for its "world tour or your girl's tour" line.
Back to Badlands Tour
Back to Badlands Tour: Halsey's 2025-2026 international tour marking the 10th anniversary of her debut album BADLANDS, opened October 14, 2025 at Hollywood Forever Cemetery, played small GA venues worldwide with a 30-song setlist.