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  2. Cataracts of the Nile - Wikipedia

    en.wikipedia.org/wiki/Cataracts_of_the_Nile

    The word "cataract" comes from the Greek word καταρρέω ("to flow down"), although the original Greek term was the plural-only Κατάδουποι. However, contrary to this, none of the Nile's six primary cataracts could be accurately described as waterfalls, and given a broader definition, this is the same with many of the minor ...

  3. Mental mapping - Wikipedia

    en.wikipedia.org/wiki/Mental_mapping

    We don’t expect an accurate drawing- just a rough sketch.” (Lynch 1960, p 141) In the field of human geography mental maps have led to an emphasizing of social factors and the use of social methods versus quantitative or positivist methods. [3] Mental maps have often led to revelations regarding social conditions of a particular space or area.

  4. List of waterfalls by type - Wikipedia

    en.wikipedia.org/wiki/List_of_waterfalls_by_type

    Cataract: A large, powerful waterfall. [1] Multi-step: A series of waterfalls one after another of roughly the same size each with its own sunken plunge pool. [1] Block: Water descends from a relatively wide stream or river. [1] [2] Cascade: Water descends a series of rock steps. [1] [2] Segmented: Distinctly separate flows of water form as it ...

  5. Waterfall - Wikipedia

    en.wikipedia.org/wiki/Waterfall

    Waterfalls are sometimes interchangeably referred to as "cascades" and "cataracts", though some sources specify a cataract as being a larger and more powerful waterfall [1] [4] [5] and a cascade as being smaller. [6] A plunge pool is a type of stream pool formed at the bottom of a waterfall. [7] A waterfall may also be referred to as a "foss ...

  6. Cataract - Wikipedia

    en.wikipedia.org/wiki/Cataract

    An immature cataract has some transparent protein, but with a mature cataract, all the lens protein is opaque. In a hypermature or Morgagnian cataract, the lens proteins have become liquid. Congenital cataract, which may be detected in adulthood, has a different classification and includes lamellar, polar, and sutural cataracts. [44] [45]

  7. What Is a Cataract? These Are the Causes, Symptoms, and ... - AOL

    www.aol.com/lifestyle/cataract-causes-symptoms...

    Cataracts are like death and (yup) taxes: Inevitable. At some point—usually as you enter middle age—most people develop this eye condition, which is a clouding of the eye’s lens that can ...

  8. Cognitive geography - Wikipedia

    en.wikipedia.org/wiki/Cognitive_geography

    Cognitive geography is an interdisciplinary study of cognitive science and geography.It aims to understand how humans view space, place, and environment. It involves formalizing factors that influence our spatial cognition to create a more effective representation of space.

  9. Cognitive map - Wikipedia

    en.wikipedia.org/wiki/Cognitive_map

    Cognitive geography is distinctive because of its emphasis on geography as well as perception of space and environment. [31] Fuzzy cognitive map establishes an important connection between concepts and actual events. [32] Motion perception is more directly related to speed and direction processing. [33] Repertory grid is a technique for ...