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  2. Art - Wikipedia

    en.wikipedia.org/wiki/Art

    Theatre, dance, and other performing arts, as well as literature, music, film and other media such as interactive media, are included in a broader definition of "the arts". [1][8] Until the 17th century, art referred to any skill or mastery and was not differentiated from crafts or sciences.

  3. Eigenvalues and eigenvectors - Wikipedia

    en.wikipedia.org/wiki/Eigenvalues_and_eigenvectors

    Eigenvalues and eigenvectors. In linear algebra, an eigenvector (/ ˈaɪɡən -/ EYE-gən-) or characteristic vector is a vector that has its direction unchanged by a given linear transformation. More precisely, an eigenvector, , of a linear transformation, , is scaled by a constant factor, , when the linear transformation is applied to it: .

  4. Environmental, social, and governance - Wikipedia

    en.wikipedia.org/wiki/Environmental,_social,_and...

    e. Environmental, social, and governance (ESG) is shorthand for an investing principle that prioritizes environmental issues, social issues, and corporate governance. [1] Investing with ESG considerations is sometimes referred to as responsible investing or, in more proactive cases, impact investing. [1]

  5. List of presidents of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Presidents_of_the...

    Since the office was established in 1789, 45 men have served in 46 presidencies. The first president, George Washington, won a unanimous vote of the Electoral College. [4] Grover Cleveland served two non-consecutive terms and is therefore counted as the 22nd and 24th president of the United States, giving rise to the discrepancy between the ...

  6. Literature - Wikipedia

    en.wikipedia.org/wiki/Literature

    In recent centuries, the definition has expanded to include oral literature, much of which has been transcribed. [3][4] Literature is a method of recording, preserving, and transmitting knowledge and entertainment. It can also have a social, psychological, spiritual, or political role.

  7. Google Earth - Wikipedia

    en.wikipedia.org/wiki/Google_Earth

    Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering ...

  8. DNA - Wikipedia

    en.wikipedia.org/wiki/DNA

    Deoxyribonucleic acid (/ d iː ˈ ɒ k s ɪ ˌ r aɪ b oʊ nj uː ˌ k l iː ɪ k,-ˌ k l eɪ-/ ⓘ; [1] DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.

  9. Non-binary gender - Wikipedia

    en.wikipedia.org/wiki/Non-binary_gender

    A significant 2015 study by the National Center for Transgender Equality surveyed nearly 28,000 transgender people in the United States, finding that 35% identified as non-binary or genderqueer. Among them, 84% used pronouns different from those associated with the gender on their birth certificates. The breakdown of preferred pronouns was 37% ...