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  2. Seven Bridges of Königsberg - Wikipedia

    en.wikipedia.org/wiki/Seven_Bridges_of_Königsberg

    The problem was to devise a walk through the city that would cross each of those bridges once and only once. By way of specifying the logical task unambiguously, solutions involving either reaching an island or mainland bank other than via one of the bridges, or; accessing any bridge without crossing to its other end; are explicitly unacceptable.

  3. Sliding filament theory - Wikipedia

    en.wikipedia.org/wiki/Sliding_filament_theory

    Cross-bridge theory states that actin and myosin form a protein complex (classically called actomyosin) by attachment of myosin head on the actin filament, thereby forming a sort of cross-bridge between the two filaments. The sliding filament theory is a widely accepted explanation of the mechanism that underlies muscle contraction.

  4. Development theory - Wikipedia

    en.wikipedia.org/wiki/Development_theory

    Human development theory is a theory which uses ideas from different origins, such as ecology, sustainable development, feminism and welfare economics. It wants to avoid normative politics and is focused on how social capital and instructional capital can be deployed to optimize the overall value of human capital in an economy.

  5. Ecological systems theory - Wikipedia

    en.wikipedia.org/wiki/Ecological_systems_theory

    Ecological systems theory is a broad term used to capture the theoretical contributions of developmental psychologist Urie Bronfenbrenner. [1] Bronfenbrenner developed the foundations of the theory throughout his career, [2] published a major statement of the theory in American Psychologist, [3] articulated it in a series of propositions and hypotheses in his most cited book, The Ecology of ...

  6. Social ecological model - Wikipedia

    en.wikipedia.org/wiki/Social_ecological_model

    Bronfenbrenner made his Ecological systems theory to explain how everything in a child and the child's environment affects how a child grows and develops. In his original theory, Bronfenbrenner postulated that in order to understand human development, the entire ecological system in which growth occurs needs to be taken into account.

  7. Developmental systems theory - Wikipedia

    en.wikipedia.org/wiki/Developmental_systems_theory

    Developmental systems theory (DST) is an overarching theoretical perspective on biological development, heredity, and evolution. [1] It emphasizes the shared contributions of genes , environment, and epigenetic factors on developmental processes.

  8. Urie Bronfenbrenner - Wikipedia

    en.wikipedia.org/wiki/Urie_Bronfenbrenner

    It is from this vantage point that Bronfenbrenner conceives his theory of human development, the ecological systems theory. His theory states that there are many different levels of environmental influences that can affect a child's development, starting from people and institutions immediately surrounding the individual to nationwide cultural ...

  9. Lewis Cubitt - Wikipedia

    en.wikipedia.org/wiki/Lewis_Cubitt

    He built many bridges in his career, most of them being in South America, Australia and India. Lewis was jointly responsible for designing the rebuilt London Bridge railway station in 1844. [4] He also designed Bricklayers Arms (1844) and King's Cross railway stations (1851–52) and the Great Northern Hotel (1854).