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  2. Portal (series) - Wikipedia

    en.wikipedia.org/wiki/Portal_(series)

    Portal is a series of first-person puzzle-platform video games developed by Valve.Set in the Half-Life universe, the two main games in the series, Portal (2007) and Portal 2 (2011), center on a woman, Chell, forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence, GLaDOS, that controls the facility.

  3. Portal Hypertension Causes, Symptoms, Treatments, Tests - WebMD

    www.webmd.com/.../digestive-diseases-portal

    Portal hypertension is an increase in the blood pressure within a system of veins called the portal venous system. Veins coming from the stomach, intestine, spleen, and pancreas merge into the ...

  4. Category:Web portals - Wikipedia

    en.wikipedia.org/wiki/Category:Web_portals

    Enterprise portal. Érudit. Esmas.com. Eurochicago.com. Euromuse. Europa (web portal) European Marine Observation and Data Network. Excite (web portal)

  5. Wikipedia:WikiProject Portals - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject_Portals

    Welcome to WikiProject Portals, dedicated to developing and maintaining portals and portal tools. New participants are welcome; please feel free to join. This project collaborates to build, improve and maintain portals, their support pages, and portal tools. Maintaining portals means updating them, and fixing problems that arise.

  6. Portal:Video games - Wikipedia

    en.wikipedia.org/wiki/Portal:Video_games

    The Video Games Portal. A video game or computer game is an electronic game that involves interaction with a user interface or input device (such as a joystick, controller, keyboard, or motion sensing device) to generate visual feedback from a display device, most commonly shown in a video format on a television set, computer monitor, flat ...

  7. Category:Portals - Wikipedia

    en.wikipedia.org/wiki/Category:Portals

    A portal is a focus page which highlights a particular subject to complement the main article on that subject. Portals feature articles covering the portal's theme, and generally provide lists of related articles, and thus provide an alternative means to browse on Wikipedia. Besides this category and its subcategories, there is also a complete ...

  8. Portal:Music - Wikipedia

    en.wikipedia.org/wiki/Portal:Music

    The Music Portal. Grooved side of the Voyager Golden Record launched along the Voyager probes to space, which feature music from around the world. Music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content. However, definitions of music vary depending on culture, though it is ...

  9. Portal:Physics - Wikipedia

    en.wikipedia.org/wiki/Portal:Physics

    The Physics Portal. Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, with its main goal being to understand how the universe behaves.