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Social life and human behavior

6,078 articles

Biopsychosocial model

The biopsychosocial model (BPSM), proposed by George Engel in 1977, treats disease as the outcome of interactions among biological, psychological, and social factors, as an alternative to the reductionist biomedical model; widely adopted yet criticized as vague.

Biphobia

Biphobia is prejudice and discrimination against bisexual people, also called binegativity; related to monosexism and bi-erasure, it comes from both straight and gay/lesbian communities and is linked to bisexual mental health disparities.

Birgitta Ed

Birgitta Ed (born 1968), Swedish priest of the Church of Sweden and wife of Prime Minister Ulf Kristersson; ordained 2023 in Strängnäs, co-founded Fållöknastiftelsen, and since June 2026 under a cathedral chapter supervisory inquiry.

Birmingham campaign

Birmingham campaign, or Project C, was the April-May 1963 SCLC-ACMHR nonviolent campaign against segregation in Birmingham, Alabama, led by King, Abernathy, and Shuttlesworth, whose Children's Crusade and police dogs-and-hoses imagery drove the Civil Rights Act of 1964.

Birth order

Birth order is a person's rank by age among siblings (firstborn, middle, youngest, only child). Studied since Galton and Adler, it shows a small intelligence decline for laterborns but no reliable Big Five personality effects.

Birth rate

Birth rate (crude birth rate): live births per 1,000 mid-year population per year; also CBR. Core fertility measure in demography; CBR minus CDR gives natural increase; differs from total fertility rate, which adjusts for age structure.

Birth tourism

Birth tourism: traveling to another country, mainly the United States or Canada, to give birth so the child gains citizenship there. Legal via jus soli, but visa fraud if concealed; targeted by 2026 U.S. executive orders.

Birthright Israel (תגלית)

Birthright Israel (Taglit, תגלית) is a philanthropic program founded in 1999 by Charles Bronfman and Michael Steinhardt offering free 10-day educational trips to Israel for Jewish young adults ages 18-26, with over 900,000 participants from 70 countries.

Bisan Owda (بيسان عودة)

Bisan Owda (بيسان عودة), also Bisan Atef Owda, born 1997 or 1998, is a Palestinian journalist and filmmaker from Gaza whose AJ+ video series 'It's Bisan from Gaza and I'm Still Alive' won a Peabody, an Emmy, and a Murrow Award, after an Emmy-nomination controversy over alleged PFLP ties that NATAS could not corroborate.

Bisexual erasure

Bisexual erasure (bi erasure, bisexual invisibility) is the ignoring, falsifying, or reexplaining of bisexuality as gay or straight. Covers Yoshino's epistemic contract, gendered stereotypes, media tropes, and health disparities.

Bisexual flag

Bisexual flag: pink, purple, blue pride flag designed by Michael Page, unveiled 5 December 1998 at BiCafe; 2:1:2 stripes with colors from Liz Nania's biangles; BiNet USA's 2020 copyright claim was dropped.

Bisexual lighting

Bisexual lighting: use of pink, purple, and blue lighting, matching the bisexual pride flag, in film, TV, and music to signal bisexuality; originated in a 2014 Tumblr post about Sherlock, peaked 2016-2018, and was used deliberately in Heartstopper.

Bisexuality

Bisexuality (bi): romantic, emotional, or sexual attraction to more than one gender. Distinct from pansexuality; largest LGBTQ+ identity (5.3% of U.S. adults); faces bi-erasure and elevated mental health disparities.

Bitterroot Salish

Bitterroot Salish (Séliš, also called Salish proper or Flathead), an Interior Salishan tribe of western Montana's Bitterroot Valley, now part of the Confederated Salish and Kootenai Tribes on the Flathead Indian Reservation under the 1855 Hellgate Treaty.

Black bloc

Black bloc: a masked, all-black protest tactic, not an organization, originating with West Berlin squatters (Schwarzer Block, 1980) and the Autonomen; famous for Seattle 1999, Genoa 2001, and swarming property damage.

Black British people

Black British people are UK residents identifying as Black, counted in the census category "Black, Black British, Black Welsh, Caribbean or African"; about 2.4 million people, 4.0% of England and Wales, concentrated in London, with distinct African and Caribbean subgroups.

Black Canadians

Black Canadians: people in Canada identifying as Black, also called African Canadians; 1,547,870 (4.3%) in 2021, descended from enslaved Africans, Black Loyalists, Underground Railroad arrivals, and Caribbean and African immigrants.

Black Consciousness Movement

Black Consciousness Movement (BCM): South African anti-apartheid movement of the late 1960s-1970s led by Steve Biko; founded via SASO (1969), BPC (1972); emphasized psychological liberation, inclusive 'blackness', inspired the 1976 Soweto Uprising.

Black Europeans

Black Europeans, also called Afro-Europeans or people of African descent, are people of African ancestry born in or living in Europe, estimated at 8-15 million; distinguished by presence since Roman times and FRA-documented discrimination.

Black fatigue

Black fatigue is the chronic exhaustion Black people experience from coping with anti-Black racism, coined by Mary-Frances Winters in her 2020 book Black Fatigue and distinct from racial battle fatigue and racial trauma.

Black feminism

Black feminism is a tradition of thought and activism by Black women analyzing interlocking racism, sexism, and class oppression; key texts include the 1977 Combahee River Collective Statement and Crenshaw's 1989 intersectionality.

Black genocide in the United States

Black genocide in the United States: contested claim that slavery, lynching, Jim Crow, and mass incarceration amount to genocide. Centered on the 1948 UN intent definition and the 1951 Civil Rights Congress UN petition; no legal determination has been made.

Black helicopter

Black helicopter: conspiracy-theory term for unmarked dark helicopters alleged to be a UN or federal takeover force; also real dark military and law enforcement aircraft, including the CIA's Hughes 500P Quiet One.

Black Hispanic and Latino Americans

Black Hispanic and Latino Americans, or Afro-Latinos, are U.S. residents identifying as both Black and Hispanic or Latino; about 6 million adults in 2020, 12% of adult Latinos, mostly Puerto Rican or Dominican origin.

Black Indians in the United States

Black Indians are Americans of combined African American and Native American ancestry, shaped by slavery among Native nations, census misclassification, one-drop rules, and ongoing tribal membership and Freedmen recognition disputes.

Black Knight satellite conspiracy theory

Black Knight satellite conspiracy theory: claims of a 13,000-year-old alien satellite in polar orbit, also called an ancient alien probe. Debunked as a composite legend; the famous STS-88 photo shows a lost thermal blanket.

Black Lives Matter

Black Lives Matter (BLM): decentralized US-founded movement begun in 2013 as #BlackLivesMatter after Zimmerman's acquittal, protesting police violence against Black people, with chapters, the BLM Global Network Foundation, the M4BL coalition, and 2020 global protests.

Black Manosphere

The Black manosphere is the branch of the anti-feminist manosphere populated by Black men defending Black male authority; known for Fresh and Fit creators, patriarchal gender scripts, and Pick-Me women creators.

Black Nova Scotians

Black Nova Scotians, or African Nova Scotians, are people of African descent in Nova Scotia, Canada, descended chiefly from Black Loyalists (1783), Jamaican Maroons (1796), and War of 1812 refugees, with 52 historic land-based communities.

Black Panther Party

Black Panther Party (BPP), originally Black Panther Party for Self-Defense: revolutionary Black nationalist-socialist organization founded Oct 15, 1966, in Oakland by Huey P. Newton and Bobby Seale; known for armed self-defense, the Ten-Point Program, free breakfast and health clinics, and FBI COINTELPRO repression.