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Roots, often written as radicals, identify the quantity that must be raised to a specific exponent to produce a given value. A radical expression consists of two main components: the radicand, which is the value placed inside the root symbol, and the index, which indicates the degree of the root being taken. The notation n√a indicates the principal nth root of a. If n equals 2, the operation is the square root, while n = 3 defines the cube root. When n is even, a negative radicand does...
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Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
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Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic behaviors evolved because they increase the inclusive fitness of the animal providing help.
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Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
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Rainbow philanthropy.

M Navratilova, N K Gartrell

    Journal of Lesbian Studies
    |May 8, 2014
    PubMed
    Summary

    Martina Navratilova, a tennis legend, is a leading advocate for lesbian, gay, bisexual, and transgender (LGBT) causes. This article highlights her significant contributions to the LGBT community, particularly through the Rainbow Endowment.

    Area of Science:

    • Social Sciences
    • Sports History
    • LGBT Studies

    Background:

    • Martina Navratilova's pioneering public coming out as a lesbian in 1981 marked a significant moment for LGBTQ+ visibility in professional sports.
    • Post-retirement, Navratilova has become a prominent public figure, leveraging her platform as an author, commentator, and speaker.
    • Her advocacy extends to significant contributions to the lesbian, gay, bisexual, and transgender (LGBT) community.

    Purpose of the Study:

    • To detail Martina Navratilova's dedicated work and advocacy for LGBT causes.
    • To explore the impact and significance of the Rainbow Endowment, described as Navratilova's "passion and #1 cause."
    • To document Navratilova's post-athletic career as a public figure and community contributor.

    Main Methods:

    Keywords:
    Lesbianfundraisinglesbian activism

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  • Qualitative analysis of public statements and media appearances by Martina Navratilova.
  • Review of literature and reports concerning Martina Navratilova's philanthropic activities.
  • Examination of the mission and initiatives of the Rainbow Endowment.

    • Main Results:

    • Martina Navratilova has consistently used her public platform to advocate for LGBT rights and visibility.
    • The Rainbow Endowment serves as a key vehicle for her philanthropic efforts within the LGBT community.
    • Navratilova's influence extends beyond sports, establishing her as a major figure in LGBT activism.

    Conclusions:

    • Martina Navratilova's post-tennis career is characterized by impactful advocacy for the LGBT community.
    • The Rainbow Endowment represents a central focus of her commitment to "lesbigay causes."
    • Her life and work offer a compelling case study in athlete activism and community contribution.