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Education & Languages

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Examining Rap's Origins

The rap music of today is an outgrowth of the mid-1970s hip-hop, a brash mixture of rhythm and boastful talking. Out of nowhere, the Sugarhill Gang's "Rapper's Delight, [more…]

Latin: Exploring Roman Athletics

As one of the first great multicultural societies, the Roman Empire understood something about entertainment. From cathartic tragedies to bawdy comedies to the sands of the arena, the Romans knew how to [more…]

Alien Secrets: The Vril Society

The Vril Society is a troublesome topic because there's no authentic proof that this secret society really existed, even though there's no shortage of people who claim that it did. What makes the Vril [more…]

Getting to Know Einstein's Wives

Einstein obviously had a tremendous influence on the scientific community and the entire world. Einstein enjoyed people's company and learned a great deal from those around him – including the two women [more…]

Conjugating the Spanish Verb Vivir (to Live)

Spanish verbs fall into different groups, and each group is conjugated a little differently. If you’re going to master Spanish verbs like vivir, you need to be able to identify which group a verb belongs [more…]

Declaring Independence for America

Starting in 1763, England and her American colonies began to irritate each other almost incessantly. Once blood was spilled at Lexington and Concord, war became inevitable, even though there were some [more…]

Exploring the Ancient Pyramids

From the ancient civilizations of the Near East to the native peoples of Central America, pyramid building has been a common architectural design for thousands of years. [more…]

Conjugating the Spanish Verb Comprar (to Shop/Buy)

Spanish verbs fall into different groups, and each group is conjugated a little differently. If you’re going to master Spanish verbs like comprar, you need to be able to identify which group a verb belongs [more…]

Adding Firepower with the Invention of Gunpowder

Between the twelfth and the eighteenth centuries, guns spread from China to western Asia, to Europe, and then around the world. They advanced from primitive experiments to precision technology. Warriors [more…]

Robert's Rules: Participating in Meetings as a Member

Fundamental to effective meeting participation is knowing how to get the attention of your presiding officer so you can be recognized and permitted to speak. Just as important is understanding the way [more…]

Determining Whether You Really Want to Become a U.S. Citizen

Becoming a U.S. citizen carries important duties and responsibilities, as well as rights, rewards, and privileges. Before you make the decision to pursue U.S. citizenship, you need to be aware of what [more…]

How to Use the Spanish Preposition De

The Spanish preposition de (deh) has several meanings: of, from, or about, depending on your context. De’s multiple personalities make using the word correctly a bit tough — unless you know the specific [more…]

Planning Your LSAT Test-Taking Tactics

You'll have an easier time on test day if you consider some strategic matters beforehand. The following sections provide a few simple strategies to ease your test-taking venture. You can't [more…]

Physics -- Drawing Electric Field Lines

The electric field is defined as the force per unit charge exerted on a small positive test charge placed at that point. The rules for drawing electric field lines for any static configuration of charges [more…]

Physics -- Newton's Laws of Motion

Sir Isaac Newton (a.k.a. "The Big Fig") learned a lot from his famous apple-on-the-head incident. If you're studying physics this year, you'll soon come to know his three laws of motion very well. [more…]

When to Take the NCLEX-RN Exam

How soon after graduation you take the NCLEX-RN exam is up to you, with some caveats. Some eager-beaver types want to take the test 14 minutes after graduation, while others are still dragging their feet [more…]

Constructing Basic Spanish Sentences

Sentences are vital to communicating in Spanish (or any language) because, when you meet people, you need to form sentences to talk with them. In Spanish, as in English, you form a basic sentence by combining [more…]

Chemistry -- Hydrocarbons

An infinite variety of compounds can be assembled from only carbon and hydrogen atoms. So-called hydrocarbonsmay be the simplest organic compounds, but they have mighty economic importance because they [more…]

Conjugating the Spanish Verb Nadar (to Swim)

Spanish verbs fall into different groups, and each group is conjugated a little differently. If you’re going to master Spanish verbs like nadar, you need to be able to identify which group a verb belongs [more…]

Grasping the Global Geographical Grid: Hip, Hip, Hipparchus!

In geography, the world as a whole possesses a grid whose coordinates may be used to identify the absolute location of things. Indeed, that is why a Greek named Hipparchus invented the global grid some [more…]

Five Frequently Mixed-Up French Verbs

French has many ways a nonnative speaker can mix up verbs or use them incorrectly. The mix-ups are a result of these three problems: [more…]

Transportation Within and Between Cells

Within and around cells, materials are constantly being shipped one way or another across membranes. At any given moment, a particular substance may exist in higher or lower concentrations on one side [more…]

A War with Words: The Role of Conflict in Literature

Conflict is essential to fiction, and so even a short passage for the AP English Literature exam generally depicts at least one instance of unrest. A character's approach to the conflict, as well as its [more…]

Evaluating U.S. Presidents

U.S. presidents are evaluated in many ways. The major characteristics that academic and public polls use to evaluate the 44 U.S. presidents vary from survey to survey, but the main standards remain consistent [more…]

Shopping at a Spanish Market: Fruit and Vegetable Vocabulary

When you’re going shopping at a Spanish market for fresh fruits and vegetables, knowing the Spanish vocabulary for the foods you’re buying can make your shopping endeavors much easier. Following are the [more…]

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