UNT College of Arts and Sciences - 684 Matching Results
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- The Economic impact of ME/CFS: Individual and societal costs
- This article discusses the economic impact of Myalgic Encephalopathy and Chronic Fatigue Syndrome by examining the direct and indirect costs to the individual and to society.
- A theoretical analysis of an alternative CUSUM statistic called CUSUM-slope for detecting signals from background noise in a low signal-to-noise environment
- Article accompanying a poster presentation for the 2009 Computational Neuroscience Meeting. This article discusses a theoretical analysis of an alternative CUSUM statistic called CUSUM-slope for detecting signals from background noise in a low signal-to-noise environment.
- A theoretical model of emotion processing for optimizing the cost function of discrepancy errors between wants and gets
- Article accompanying a poster presentation for the 2009 Annual Computational Neuroscience Meeting. This article discusses a theoretical model of emotion processing for optimizing the cost function of discrepancy errors between wants and gets.
- Identification of functional information subgraphs in cultured neural networks
- This paper accompanies an oral presentation on the identification of functional information subgraphs in cultured neural networks.
- Use of tree-based models to identify subgroups and increase power to detect linkage to cardiovascular disease traits
- This article discusses the use of tree-based models to identify subgroups and increase power to detect linkage to cardiovascular disease traits.
- A self-adaptive burst-detection algorithm
- Article accompanying a poster presentation for the 2007 Computational Neuroscience Meeting. This article discusses a self-adaptive burst-detection algorithm.
- Genetic analysis of the spindle checkpoint genes san-I, mdf-2, bub-3 and the CENP-F homologues hcp-1 and hcp-2 in Caenorhabditis elegans
- Article on a genetic analysis of the spindle checkpoint genes san-I, mdf-2, bub-3 and the CENP-F homologues hcp-1 and hcp-2 in Caenorhabditis elegans.
- Theoretical derivation of EMOTION-II model for happy and unhappy emotions
- Article accompanying a poster presentation for the 2008 Computational Neuroscience Meeting. This article discusses the theoretical derivation of EMOTION-II model for happy and unhappy emotions.
- Role of Hypoxia in the Evolution and Development of the Cardiovascular System
- Article on the role of hypoxia in the evolution and development of the cardiovascular system.
- Rediscovery of the Elements: Montpellier and Bromine
- Article recounting the history of the element Bromine, including its discovery in the salt lagoons of the Montpellier region of France by Antoine-Jérome Balard. Maps of the region and of Balard's birthplace are presented.
- Rediscovery of the Elements: Germanium
- Article recounting the history of the element Germanium, including background material on mining in Germany and the isolation of Germanium by Clemens A. Winkler. Tourist information is provided regarding Winkler's laboratory and mines open to the public as museums.
- Rediscovery of the Elements: Carl Wilhelm Scheele
- Article describing the career and discoveries of Carl Wilhelm Scheele. Tourist information regarding locations important to Scheele's life are visited and discussed.
- Rediscovery of the Elements: Thorium
- Article recounting the discovery of the element Thorium in Norway by Hans Morten Thrane Esmark. Maps and tourist information regarding the area are provided.
- Rediscovery of the Elements: Joseph Priestley
- Article describing the career and discoveries of Joseph Priestley. Tourist information regarding locations important to Priestley's life are visited and discussed.
- Rediscovery of the Elements: Jöns Jakob Berzelius
- Article describing the life and career of Jöns Jakob Berzelius. Tourist information regarding locations significant to his history is included.
- Rediscovery of the Elements: Yttrium and Johan Gadolin
- Article describing the life and career of Johan Gadolin. Tourist information regarding locations significant to his history is included.
- Rediscovery of the Elements: Ruthenium
- Article describing the discovery of platinum in Russia and the history of ruthenium. Tourist information regarding sites pertinent to this history are included.
- A Dream of Toasted Cheese, the Bunsen Burner, and Beatrix Potter
- Front cover of The Hexagon, featuring a painting by Beatrix Potter. In the painting, a mouse wearing glasses sits on the intake tube of a lit Bunsen burner and reads a red book. Behind this is a group of unpainted mice using chemistry equipment. "A Dream of Toasted cheese" is written to the left of the burner's flame, and a note concerning NH3 is written to the bottom left. Above these images is the title of the magazine. Above that are pictures concerning other articles. The inside cover features a table of contents, work credits, and an introductory editorial.
- Rediscovery of the Elements: Riddarhyttan, Sweden
- Article describing the authors' tour through Riddarhyttan, Sweden, to visit the areas where cerium and cobalt were discovered. Maps and photographs of pertinent locations are located as well as a history of the area and the elements discovered there.
- Rediscovery of the Elements: The Undiscovery of Vanadium
- Article describing the how the original vanadium sample was misanalysed and identified as chromium. Includes tourist information regarding Paris, France.
- Rediscovery of the Elements: Vanadium
- Article describing the discovery of Vanadium and tracing the footsteps of the discoverers.
- Rediscovery of the Elements: Gallium
- Article describing the discovery of the element gallium. The authors travel to sites pertinent to the history of gallium, including the home and laboratory of its discoverer and the location from which it was procured.
- Rediscovery of the Elements: Fluorine
- Article describing the isolation of elemental fluorine. Tourist information is given regarding locations pertinent to the element's history.
- The Statue of Copernicus
- Front cover of the Summer 2009 issue of The Hexagon, featuring a statue of Copernicus sitting on a block, wearing a flowing robe, and holding a compass up to a heliocentric model. The next page contains a table of contents, a staff list, and an editorial regarding the twentieth anniversary of the events at Tiananmen Square.
- Rediscovery of the Elements: Courtois and Iodine
- Article describing the history of iodine, including its discovery by Bernard Courtois while during the production of saltpeter. Tourist information regarding pertinent locations is included.
- Rediscovery of the Elements: Strontium
- Article describing the history of the element strontium from its discovery in Strontian, Scotland, to its early uses in English medicine. Maps with directions and photographs of pertinent locations are included.
- Riddarhyttan City Motif
- First page of The Hexagon of Alpha Chi Sigma. The blue cover features a black and white drawing of a medieval knight wearing mail and a tunic with a cross motif. He is holding a shield that bears the image of a stone building with flames shooting out of the roof. The word "Riddarhyttan" appears on a banner above the knight's head. Two photographs are arranged to the left of the knight, with text and an image of a computer mouse to the right. The next page includes a table of contents, an editorial, and a list of contributors. Near the bottom of this second page is a piece labeled "On the Cover," which describes the previous page.
- Rediscovery of the Elements: The Road to Karlsruhe
- Article describing the history of atomic weight and the events leading up to the Karlsruhe Congress of chemists. The authors visited several sites pertinent to these events and offer tourist information.
- Rediscovery of the Elements: Tellurium and Fata Baii (Fascebanya), Romania.
- Article describing the discovery of the element tellurium. The authors travel through Romania to visit the Transylvanian mine where tellurium was discovered. They also visit the Brukenthal Museum of Sibiu and describe the museum's mineral collection.
- Rediscovery of the Elements: The Platinum Metals
- Article describing the history of the platinum metals, from its discovery in the New World and subsequent experiments in Europe. Tourist information is provided regarding areas pertinent to the history of platinum.
- Rediscovery of the Elements: Johann Wolfgang Döbereiner
- Article describing the life of Johann Wolfgang Döbereiner and his attempts to systematically organize the elements. Tourist information regarding locations significant to his history is included.
- Rediscovery of the Elements: Titanium, Manaccan, Cornwall, England
- Article wherein James and Virginia Marshall visit Manaccan, England, to explore the site where titanium was first discovered. The area is described, as well as the man who discovered titanium, Reverend William Gregor.
- Rediscovery of the Elements: Aluminum
- Article describing the history of aluminum, from its use in alum to its isolation. Tourist information is given regarding locations pertinent to aluminum.
- Rediscovery of the Elements: Mineral Waters and Spectroscopy
- Article describing the career of Robert Bunsen and the history of spectroscopy and its use in mineral analysis. The discovery of cesium and rubidium using spectroscopy on mineral water is included. In addition, the authors offer tourist information regarding locations pertinent to Bunsen and certain mineral water springs.
- The Story Behind the Cover
- Article explaining the front cover of issue 3 of volume 99 of The Hexagon, which features a painting of mice around a Bunsen burner. James Marshall discusses the picture and how it relates to the history of chemistry.
- Rediscovery of the Elements: Klaproth
- Article describing the life and career of Martin Heinrich Klaproth, including his discoveries of uranium and zirconium. Tourist information regarding locations significant to his history is included.
- Rediscovery of the Elements: The Periodic Table
- Article recounting the history of the development of the Periodic Table. Sites pertinent to this development were visited by the authors, who provide related tourist information.
- Rediscovery of the Elements: Paracelsus
- Article describing the career and discoveries of Phillippus Aureolus Theophrastus Paracelsus Bombastus von Hohenheim. Tourist information regarding locations important to his life are visited and discussed.
- Rediscovery of the Elements: The Second Discovery of Vanadium
- Article describing how vanadium was "rediscovered" in Sweden and found to be identical to del Rio's sample. Includes tourist information regarding areas relevant to this portion of vanadium's history.
- Rediscovery of the Elements: Phosphoro di Bologna
- Article recounting a visit to sites related to the discovery of phosphorescent stone (barium sulfide) in Bologna, Italy. Maps with driving directions are included.
- Rediscovery of the Elements: Phlogiston and Lavoisier
- Article describing the rise and fall of the eighteenth century idea of phlogiston. Tourist information is provided regarding pertinent areas of phlogiston's history.
- Manaccan Church, Lizard Peninsula, Cornwall, England.
- Cover of The Hexagon bearing the image of the Church of Manacca in Cornwall, England. The church is a stone building with arched windows visible on two levels. A crenelated tower extends up from the nearest portion of the church. Tombstones are visible near the bottom of the image, with a fronded plant to the left. The picture has the logo of The Hexagon across its top, a photo of James and Virginia Marshall on the right, and a photo from an article about pharmaceutical jobs near the center.
- Discovering "Rediscovery"
- Article containing an interview of James Marshall by Brian Coppola regarding Marshall's "Rediscovery of the Elements" articles. Marshall discusses his motivations for traveling to European locations where elements were discovered, his plans for the future, and other projects.
- Rediscovery of the Elements: Althofen, Austria and Auer von Welsbach
- Article recounting a visit to sites related to Baron Carl Auer von Welsbach, discoverer of lutetium and ytterbium and inventor of the incandescent "Welsbach mantle." Maps and tourist information are provided regarding the Welsbach Museum in Treibach, Austria.
- Rediscovery of the Elements: Europium. Eugène Demarcay
- Article describing Eugène Demarcay and his discovery of europium. The authors toured Paris, France, in search of locations important to Demarcay, providing the reader with maps and historical information regarding the sites.
- Rediscovery of the Elements: Agricola
- Article describing the career and discoveries of Georgius Agricola. Tourist information regarding locations important to his life are visited and discussed.
- Rediscovery of the Elements: The Grand Tour
- Article advertising the release of "Rediscovery of the Elements" on DVD with additional information.
- Rediscovery of the Elements: Jáchymov (Joachimsthal), Czech Republic
- Article describing Jáchymov, Czech Republic, and its relation to radon. Tourist information is included for pertinent areas.
- Nikolaikirche and Apotheke zum Bären, Berlin, Germany
- Front cover of volume 100, issue 1 of The Hexagon, featuring the multistory brick and stone church, Nikolaikirche. The church's first several floors are comprised of older stone work while the upper stories use newer red brick. People and vehicles are on the street near the church, and a row of buildings can be seen in the background to the left. The magazine's logo is printed over the church's bluish roof spires. The inside cover contains a table of contents, staff credits, and an editorial.
- Delivering Pretzels in Berlin
- Front cover of the Winter 2009 issue of The Hexagon, featuring a man in a Berlin shirt riding a bicycle laden with large pretzels. A small dog on a leash follows alongside of him. The inside cover has a table of contents, a list of staff, and an editorial.