Although it has been studied since the eighteenth century, the mystery of what causes lightning has not been completely unlocked.
With the presidential election just a month away, the campaigns are heating up. In addition to the official candidate sites for Barack Obama and John McCain, here are some online resources for students to learn about the election process...
Each fall, as a chill returns to the evening air, and homework returns to the kitchen table, parents repeat the dictionary mantra: "Look it up!"
Dictionary.com includes biblical names, chemical elements, computer terms, international statistics, and zip codes as well as the correct spelling and definition of English words — all in one search function.
The Free Dictionary is designed to be a customized home page, with optional word-related content that can be dragged, dropped or removed.
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