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Panama Canal

The 48 mile-long (77 km) international waterway known as the Panama Canal allows ships to pass between the Atlantic Ocean and Pacific Ocean, saving about 8000 miles (12,875 km) from a journey around the southern tip of South America, Cape Horn. History of the Panama Canal The new Panamanian government authorized French businessman Philippe Bunau-Varilla, to negotiate a treaty with the United States.

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Margaret Beaufort: The Making of the Tudor Dynasty

Margaret Beaufort Biography: Also see: basic facts and a timeline about Margaret Beaufort Margaret Beaufort's Childhood Margaret Beaufort was born in 1443, the same year Henry VI became king of England. Her father, John Beaufort, was the second son of John Beaufort, the 1 st Earl of Somerset, who was the later-legitimized son of John of Gaunt by his mistress, Katherine Swynford.
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Chemical Engineering Courses

Are you interested in studying chemical engineering? Here's a look at some of the courses chemical engineering students are expected to take in college. The actual courses you would take depend on which institution you attend, but expect to take a lot of math, chemistry, and engineering courses. You'll also study environmental sciences and materials.
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The Parts of a Speech in Classical Rhetoric

In classical rhetoric, the parts of a speech are the conventional divisions of a speech (or oration) - also known as arrangement . Roman orators recognized as many as seven parts: Exordium Narratio Division Proof ( or Confirmation) Refutation Digression Peroration Epilogue In contemporary public speaking, the major parts of a speech are often identified more simply as the introduction, body, transitions, and conclusion.
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Biography of Kate Chopin, American Author and Protofeminist

Kate Chopin (born Katherine O'Flaherty; February 8, 1850-August 22, 1904) was an American author whose short stories and novels explored pre- and post-war Southern life. Today, she is considered a pioneer of early feminist literature. She is best known for her novel The Awakening , a depiction of a woman's struggle for selfhood that was immensely controversial during Chopin's lifetime.
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General Rules for Having a Pet in College

For some students, daily life involves being around a pet or pets. At college, however, animals usually aren't allowed. So is it possible to have a pet in college? You Have a Few Options Those college students interested in having a pet in college have a few options. Mostly, however, pets are not allowed in places like residence halls - or even on campus - for a variety of reasons.
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How to Make Invisible Ink With Baking Soda

Follow these easy instructions to make nontoxic invisible ink, in just a few minutes, using baking soda (sodium bicarbonate.) The advantages of using baking soda are that it's safe (even for kids), simple to use, and readily available. Ingredients Baking soda Paper Water Light bulb (heat source) Paintbrush or swab Measuring cup Purple grape juice (optional) Make and Use the Ink Mix equal parts water and baking soda.
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Making New Words With Affixation

In English grammar and morphology, affixation is the process of adding a morpheme-or affix-to a word to create either a different form of that word or a new word with a different meaning; affixation is the most common way of making new words in English. The two primary kinds of affixation are prefixation, the addition of a prefix, and suffixation, the addition of a suffix, while clusters of affixes can be used to form complex words.
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Setting and Characters in Act Two of the Play "Clybourne Park"

During the intermission of Bruce Norris' play Clybourne Park , the stage undergoes a significant transformation. The former home of Bev and Russ (from Act One) ages fifty years. In the process, it erodes from a quaint, well-kept home into a residence that features, in the words of the playwright, "an overall shabbiness.
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Profile of Serial Killer Kristen Gilbert

Kristen Gilbert is a former Veterans Administration (VA) nurse who was found guilty of murdering four VA patients in the early 1990s. She was also convicted of attempting to murder two other hospital patients and has been suspected in the deaths of dozens more. Childhood Years Kristen Heather Strickland was born Nov.
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Mexican Revolution: Occupation of Veracruz

Occupation of Veracruz - Conflict & Dates: The Occupation of Veracruz lasted from April 21 to November 23, 1914, and occurred during the Mexican Revolution. Forces & Commanders Americans Rear Admiral Frank Friday Fletcher 757 rising to 3,948 men (during the fighting) Mexicans General Gustavo Maass Commodore Manuel Azueta unknown Occupation of Veracruz - The Tampico Affair: Early 1914 found Mexico in the midst of civil war as rebel forces led by Venustiano Carranza and Pancho Villa battled to overthrow usurper General Victoriano Huerta.
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Timeline from 1890 to 1900

Decade By Decade: Timelines of the 1800s 1890 July 2, 1890: The Sherman Anti-Trust Act became law in the United States. July 13, 1890: John C. Frémont, American explorer and political figure, died in New York City at the age of 77. July 29, 1890: Artist Vincent Van Gogh died in France at the age of 37 after shooting himself two days earlier.
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How Does Regenerative Braking Work?

Hybrids and all-electric vehicles create their own power for battery recharging through a process known as regenerative braking (regen mode). We've explained what regenerative braking is and how the process works in general terms, but many folks are interested in the deeper nuts and bolts of electricity generation.
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Introduction to Slavic Mythology

Early Slavic mythology has been a challenge for historians to study. Unlike many other mythologies, there is no existing original source material because the early Slavs left no records of their gods, prayers, or rituals. However, secondary sources, mostly written by monks during the period in which the Slavic states were Christianized, have provided a rich cultural tapestry woven with the mythology of the region.
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What Is a Ratio? Definition and Examples

Ratios are a helpful tool for comparing things to each other in mathematics and real life, so it is important to know what they mean and how to use them. These descriptions and examples will not only help you to understand ratios and how they function but will also make calculating them manageable no matter what the application.
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Stained Glass Windows: Medieval Art Form and Religious Meditation

Stained glass is transparent colored glass formed into decorative mosaics and set into windows, primarily in churches. During the art form's heyday, between the 12th and 17th centuries CE, stained glass depicted religious tales from the Judeo-Christian Bible or secular stories, such as Chaucer's Canterbury tales.
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An Introduction to Blank Verse

Blank verse is poetry with a consistent meter but no formal rhyme scheme. Unlike free verse, blank verse has a measured beat. In English, the beat is usually iambic pentameter , but other metrical patterns can be used. From William Shakespeare to Robert Frost, many of the greatest writers in the English language embraced the blank verse form.
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0.5 M EDTA Solution Recipe

Ethylenediaminetetraacetic acid (EDTA) is used as a ligand and chelating agent. It's especially useful for sequestering calcium (Ca 2+ ) and iron (Fe 3+ ) metal ions. This is the lab recipe for 0.5 M EDTA solution at pH 8.0: Solution Materials 186.1 grams EDTA (disodium ethylenediaminetetraacetate•2H 2 O) 800 milliliters distilled water Sodium hydroxide (NaOH) solution or solid (to adjust pH) Procedure Stir 186.
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Is Deoxygenated Human Blood Blue?

Some animals have blue blood. People only have red blood. It's a surprisingly common misconception that deoxygenated human blood is blue. Why Blood Is Red Human blood is red because it contains a large number of red blood cells, which contain hemoglobin. Hemoglobin is a red-colored, iron-containing protein that functions in oxygen transport by reversibly binding to oxygen.
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Building the Brooklyn Bridge

Of all the engineering advances in the 1800s, the Brooklyn Bridge stands out as perhaps the most famous and most remarkable. It took more than a decade to build, cost the life of its designer, and was constantly criticized by skeptics who predicted the entire structure was going to collapse into New York's East River.
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Properties of Ionic and Covalent Compounds

If you know the chemical formula of a compound, you can predict whether it contains ionic bonds, covalent bonds, or a mixture of bond types. Nonmetals bond to each other via covalent bonds while oppositely charged ions, such as metals and nonmetals, form ionic bonds. Compounds which contain polyatomic ions may have both ionic and covalent bonds.
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