All articles starting with B
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Bondi k-calculus
Bondi k-calculus, or K calculus, is a method of teaching special relativity using only algebra and the Doppler factor k, popularized by Hermann Bondi in 1964.
Bondi Rescue
Bondi Rescue: long-running Australian observational documentary series on Network 10 (first aired 15 February 2006) following Waverley Council lifeguards at Bondi Beach; 18 seasons, Logie-winning, studied as a global beach safety intervention.
Bondi Vet
Bondi Vet: Australian factual TV series premiering 5 February 2009 on Network Ten, following Dr Chris Brown and other vets at Sydney's Bondi Junction Veterinary Hospital; 14 seasons, sold internationally, later Coast to Coast.
Bondi–Sachs formalism
The Bondi–Sachs formalism is a formulation of Einstein's general relativity equations in coordinates adapted to outgoing null hypersurfaces, introduced by Hermann Bondi in 1960 and completed by Rainer Sachs in 1962.
Bonding (TV series)
Bonding is a Netflix dark comedy series created by Rightor Doyle, loosely based on his life as a dominatrix's assistant, starring Zoe Levin as Tiff and Brendan Scannell as Pete; two seasons, 2019 and 2021.
Bonding orbital
A bonding orbital is a molecular orbital with electron density concentrated between the nuclei, formed by the in-phase combination of atomic orbitals and lowering the molecule's energy.
Bondo society art
Bondo society art is the masquerade art of the Sande (Bundu) society, an all-female initiation society in Sierra Leone, Liberia, Guinea, and the Ivory Coast.
Bondoukou
Bondoukou, also rendered Bonduku, is a town in northeastern Côte d'Ivoire and the capital of the Zanzan Autonomous District, nicknamed the city of a thousand mosques.
Bondy
Bondy is a commune in Seine-Saint-Denis, Île-de-France, 9 km northeast of Paris, with 53,342 inhabitants on 5.5 km². Known for the former Bondy forest, the 1814 Battle of Paris, and two planned Grand Paris Express line 15 stations.
Bone
Bone: hard mineralized skeletal tissue of collagen and calcium phosphate, with cortical and trabecular types, remodeled by osteoblasts, osteoclasts, and osteocytes; stores calcium and marrow.
Bone (comics)
Bone is Jeff Smith's epic comic series (1991–2004, 55 issues, Cartoon Books) about Fone, Phoney, and Smiley Bone, banished cousins lost in a fantasy Valley; later reprinted in color by Scholastic Graphix and winner of eleven Eisner and eleven Harvey Awards.
Bone (corsetry)
A bone in corsetry is a stiff strip inserted into a corset or bodice to hold its shape, originally made of whalebone (baleen) and now typically steel or plastic.
Bone ace
Bone ace (Bone-Ace) was a 17th-century English gambling card game related to One and Thirty, first recorded in Florio 1611; highest face-up card won the bone, then players drew toward 31, an ancestor of blackjack.
Bone age
Bone age, also called skeletal age, is an estimate of a child's biological maturity from an x-ray of the left hand and wrist, used to evaluate growth and puberty disorders.
Bone ash
Bone ash, also known as bone-dust or bone earth, is a white ceramic material made by calcining animal bones, chiefly calcium phosphate, and the defining ingredient of bone china.
Bone Bay
Bone Bay, also Caleta Bone, is a rectangular bay on the northwest coast of Trinity Peninsula, Antarctic Peninsula, nearly 10 nautical miles wide between Notter Point and Cape Roquemaurel; charted by FIDS in 1948 and named for midshipman Thomas M. Bone.
Bone biopsy
A bone biopsy is a procedure that removes a small sample of bone tissue, usually with a needle under image guidance, to diagnose infections, tumors, and metabolic bone disease.
Bone cell
Bone cells are the specialized cells of bone tissue: osteoblasts (bone-forming), osteoclasts (resorbing), osteocytes (embedded mechanosensors, ~95% of bone cells), and bone lining cells, coordinated through RANKL/OPG and sclerostin signaling.
Bone china
Bone china, also called fine bone china, is a translucent porcelain made with about 50% calcined bone ash, developed in England in the late 18th century.
Bone conduction
Bone conduction is the perception of sound when skull vibrations stimulate the cochlea directly, demonstrated by a tuning fork held against the forehead or mastoid bone.
Bone conduction auditory brainstem response
Bone conduction auditory brainstem response (BC ABR) is an electrophysiologic hearing test delivering sounds through a skull oscillator, used to separate conductive from sensorineural loss in infants.
Bone densitometry
Bone densitometry is diagnostic imaging that quantifies the skeleton's mineral content to diagnose osteoporosis and estimate fracture risk, performed most often with dual-energy X-ray absorptiometry (DXA).
Bone density
Bone density (bone mineral density, BMD) measures mineral content of bone, assessed mainly by DXA; T-score -2.5 or lower defines osteoporosis, and testing guides diagnosis, fracture risk, and treatment monitoring.
Bone Development
Bone development is the growth of bones from fetus to adult, through intramembranous and endochondral ossification, with growth plates driving lengthening and remodeling continuing throughout life.
Bone fracture
Bone fracture: a complete or incomplete break in bone continuity. Also called broken bone; open (compound) or closed. Classified by AO/OTA and Gustilo-Anderson systems; heals via inflammatory, reparative, remodeling stages.
Bone grafting
Bone grafting: surgical placement of bone or substitute material to heal fractures, fuse joints, or fill defects. Over 2.2 million procedures yearly; autograft from the iliac crest is the gold standard, with allografts, ceramics, and BMPs as substitutes.
Bone healing
Bone healing, or fracture healing, is the biological process by which bone rebuilds itself after a fracture, restoring strength without a fibrous scar through inflammation, callus formation, and remodeling.
Bone histomorphometry
Bone histomorphometry is a quantitative microscopy method measuring bone structure, cellular activity, and formation and resorption rates in an undecalcified bone biopsy, usually from the iliac crest.
Bone Lake (film)
Bone Lake is a 2024 American erotic thriller directed by Mercedes Bryce Morgan, written by Joshua Friedlander, starring Maddie Hasson, Marco Pigossi, Alex Roe, and Andra Nechita; two couples share a double-booked lakeside rental, released October 3, 2025.
Bone lengthening
Bone lengthening is a surgical orthopedic technique that gradually lengthens a bone by cutting it and slowly pulling the segments apart, allowing new bone to form in the gap.