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Series of articles that explore the workings of electronics, computers, finances, health, scientific and social phenomena.
http://www.howstuffworks.com/
Learn how to do just about anything and get what you need to do it.
http://www.ehow.com/
Online academic database providing citations to journal articles, conference proceedings, and more.
http://www.getcited.org/
Expert advice to make sure you select the right map or travel book from the bewildering array of maps and travel products.
http://www.worldofmaps.com/
Tutorials and advice to help in your everyday life.
http://www.kolias.com/
Interactive database providing decision-making information based on the user's preferences.
http://www.SelectSmart.com/
Learn how to do cool things.
http://www.soyouwanna.com/
Fighting ignorance since 1973 with answers to intriguing questions.
http://www.straightdope.com/
Learn how to do many things with online tips, tutorials, and how-to information.
http://www.weeno.com/
Directory of U.S. area codes and international country calling codes.
http://www.1areacodescountrycodes.com/
directory of U.S. area codes by state plus cities within each area code. Also lists Canadian area codes by province or territory.
http://www.allareacodes.com/
search by area code, state abbreviation, or city name.
http://www.areacodes.org/
features code lists, maps, and news to help you keep up with all the changes.
http://www.areacode-info.com/
zip code and area code lookup and conversion database.
http://www.jcsm.com/
information about the original area codes from 1947, their evolution to the current state, and future developments including area code splits and overlays. Also features area code maps.
http://www.LincMad.com/