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  2. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    Chalkboard scraping. Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its ...

  3. Blackboard Learn - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Learn

    Blackboard Learn (previously the Blackboard Learning Management System) is a web-based virtual learning environment and learning management system developed by Blackboard Inc. The software features course management, customizable open architecture , and scalable design that allows integration with student information systems and authentication ...

  4. I'itoi - Wikipedia

    en.wikipedia.org/wiki/I'itoi

    The Pima also refer to I'itoi as Se:he "Elder Brother", also See-a-huh. The term I'ithi is a dialectal variant used by the Hia C-eḍ O'odham. He is most often depicted as the Man in the Maze, a design appearing on O'odham basketry and petroglyphs. This positions him at the entry to a labyrinth. This labyrinth is believed by the Akimel O'odham ...

  5. Bipolar I Disorder Symptoms, Treatments, Causes, and More - WebMD

    www.webmd.com/bipolar-disorder/bipolar-1-disorder

    Bipolar I disorder (pronounced " bipolar one" and also known as manic-depressive disorder or manic depression) is a form of mental illness. A person affected by bipolar I disorder has had at least ...

  6. Blackboard Inc. - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Inc.

    Website. blackboard.com. Blackboard Inc., now Anthology is an American educational technology company with corporate headquarters in Boca Raton, Florida. Blackboard was known for Blackboard Learn, a learning management system. [4] Blackboard Inc. merged with Anthology in late 2021. [5]

  7. Akimel O'odham - Wikipedia

    en.wikipedia.org/wiki/Akimel_O'odham

    One was known commonly as the Pima or River Pima. Since the late 20th century, they have been called by their own name, or endonym: Akimel Oʼotham. Akimel O'odham (Akimel Au-Authm, meaning "River People", often simply called Pima, by outsiders, lived north of and along the Gila, the Salt, and the Santa Cruz rivers in what is today defined as ...

  8. Blackboard Jungle - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Jungle

    Blackboard Jungle is a 1955 American social drama film about an English teacher in an interracial inner-city school, based on the 1954 novel The Blackboard Jungle by Evan Hunter and adapted for the screen and directed by Richard Brooks. It is remembered for its innovative use of rock and roll in its soundtrack, for casting grown adults as high ...

  9. Pima Community College - Wikipedia

    en.wikipedia.org/wiki/Pima_Community_College

    Pima Community College ( PCC) is a public community college in Pima County, Arizona. It serves the Tucson metropolitan area with a community college district consisting of five campuses, four education centers, and several adult education learning centers. It provides traditional and online instruction for over 144 programs. [2]