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Wikipedia: Gravitropism (Geotropism)
Gravitropism (or geotropism) is how a plant responds to gravity. Roots have a positive reaction to gravity and they grow toward it. Stems have a negative reaction and grow away from gravity. Learn more about what happens inside a plant...
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Wikipedia: Microphones
Encyclopedia article on microphones that provides information about kinds of microphones and microphoning techniques. There are also links to microphone manufacturers and additional information.
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Wikipedia: Alphonse Bertillon
On-line encyclopedia provides information pertaining to Alphonse Bertillon's life work and accomplishments, particularly in the area of forensic science.
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Wikipedia: Haitian Creole
A Wikipedia encyclopedia entry on the Haitian Creole language. Includes information about the African and European origins of the language and sample words and phrases. Additional links to a passable online dictionary, Radio France...
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Wikipedia: Urdu Language
A Wikipedia encyclopedia entry with detailed information on Urdu, the language of more than a 100 million people living in Pakistan, India and other parts of the world. Includes a clear explanation of the relationship between Hindi and...
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Wikipedia: Tagalog Language
A Wikipedia encyclopedia entry on Tagalog / Filipino, the official language of the Phillipines. Provides information on known history and influences and Tagalog's selection as the national language. Gives examples of words incorporated...
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Wikipedia: Hurricane Katrina
Complete coverage of Hurricane Katrina is given including societal repercussions and political fallout.
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Wikipedia: Tony Hawk
Wikipedia describes the life and career of Tony Hawk, "often regarded as the best-known skateboarder today." His video games, commercial endorsements, and television cameos are listed, with links to more information.
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Wikipedia: Indigenous Peoples of the Americas
Looks at migration theories proposed in regard to the early peopling of the Americas, European colonization, early agriculture and culture. Also looks at contemporary indigenous groups, then groups within each country in the Americas.
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Wikipedia: Sojourner Truth
Easy to read biography of anti-slavery activist, abolitionist and feminist, Sojourner Truth. Article covers her early life as a slave, her Civil War years, and her famous speeches.
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Wikipedia: Speed Skating
This detailed article includes a history of speed skating, information on rules, different tracks and competitions, and links form more information. A good starting point for students researching this Winter Olympics sport.
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Wikipedia: Tariff
Wikipedia gives an excellent definition of the term, "Tariff," including different types of tariffs, tariff rules, and more.
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Wikipedia: Refracting Telescope
Wikipedia provides detailed information on refracting telescopes, including an image, technical difficulties, and a hyperlinked list to info on notable refracting telescopes.
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Wikipedia: Namib Desert
Wikipedia offers several useful paragraphs of information on the Namib Desert of Africa. Includes image.
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Wikipedia: Theorem
Wikipedia offers a detailed description of a theorem, or a statement that can be proven true. Includes many terms related to theorems, also.
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Wikipedia: John Tyndall
Detailed information on nineteenth-century scientist and natural philosopher John Tyndall.
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Wikipedia: Billy Sunday
Wikipedia encyclopedia article on Billy Sunday, noted for his fire and brimstone evangelism.
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Wikipedia: Miguel De Unamuno
Wikipedia offers biographical information on Spanish writer, Miguel de Unamuno (1864-1936 CE). Includes a list of works.
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Wikipedia: Steve Jobs
A biography of Apple co-founder Steve Jobs gives details on his various business ventures, such as his founding of Apple Computers with Steve Wozniak, his time at Pixar and NeXT, and his return to Apple in 1997.
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Wikipedia: Vegetative Reproduction
Wikipedia offers detailed information on vegetative reproduction, including a hyperlinked list of cultivated plants propagated by vegetative methods.
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Wikipedia: George Wallace
Biographical information on American politician and Governor of Alabama, George Wallace (1919-1998).
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Wikipedia: Tower of Babel
Wikipedia provides detailed information on the Tower of Babel, a tower built by a united humanity in order to reach the heavens.
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Wikipedia: Dead Sea Scrolls
Wikipedia offers detailed information and an image of the collection of Hebrew works, the Dead Sea Scrolls.
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Wikipedia: Hatshepsut
Wikipedia offers detailed information on Hatshepsut, the 5th Pharoah of the 18th dynasty of Egypt.