id int64 110 1.16M | edu_score float64 3.5 5.1 | url stringlengths 21 286 | text stringlengths 507 485k | timestamp stringdate 2026-01-18 07:33:45 2026-02-05 07:22:54 |
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999,877 | 3.536067 | http://niu.edu/disability/resources/disruptive.shtml | Proactive and reactive methods offer a comprehensive approach for working with students who exhibit disruptive behavior. When considering options for addressing negative student behavior in the classroom, remember:
Know the policies of the NIU Student Code of Conduct regarding appropriate behavior inside and outside th... | 2026-02-02T17:09:45.700296 |
362,305 | 3.844622 | http://edu.learnsoc.org/Chapters/9%20gender/3%20feminity-masculinity.htm | Femininity and masculinity, or one’s gender identity (Burke et al. 1988; Spence 1985), refer to the degree to which persons see themselves as masculine or feminine given what it means to be a man or woman in society. Femininity and masculinity are rooted in the social (one’s gender) rather than the biological (one’s se... | 2026-01-23T18:42:27.002930 |
72,318 | 4.095714 | http://millercenter.org/academic/americanpresident/lincoln/essays/biography/4 | A Reference Resource
Abraham Lincoln's presidential campaign victory lit the fuse that would explode into the Civil War. Between the time of his election in November and his inauguration in March of 1861, seven states from the lower South seceded from the Union. Delegates from these states met in Montgomery, Alabama, a... | 2026-01-19T10:07:53.129342 |
406,752 | 3.861175 | http://folger.edu/eduLesPlanDtl.cfm?lpid=516 | Anne Turner, Folger Shakespeare Library.
This lesson deals with the lovers' scenes from A Midsummer Night's Dream (1.1, 2.2, and 3.2), although it can be adapted for many of Shakespeare's other plays.
What's On for Today and Why
Middle school students are often hesitant to perform Shakespeare. They tend towards two ext... | 2026-01-24T11:53:48.587976 |
1,034,567 | 3.624824 | http://en.wikipedia.org/wiki/Turbo-compound_engine | A turbo-compound engine is a reciprocating engine that employs a blowdown turbine to recover energy from the exhaust gases. The turbine is usually mechanically connected to the crankshaft, as on the DC-7B and the Super Constellation, but electric and hydraulic systems have been investigated as well. The turbine increas... | 2026-02-03T05:29:48.281711 |
850,188 | 3.527528 | http://www.indiana.edu/~deanfac/blfal02/educ/educ_g203_5678.html | Education | Communication in the Classroom
G203 | 5678 | Dr. Amy Heesacker
"Healthy and effective communication is one of the most important
skills in teaching. Success will depend not only on how well you
listen, but also how well you communicate your thoughts and feelings
to the students, parents of the students, oth... | 2026-01-31T12:17:16.714446 |
739,600 | 3.63006 | http://highperformancerowing.net/journal/tag/aerobic-capacity | By David R. Lamb, Ph.D. Exercise Physiology Laboratory, Sport and Exercise Science Faculty, The Ohio State University, Columbus, OH , Chairman,
Gatorade Sports Science Institute. Print copy: Basic Principles for Improving Sports Performance
1. For most sports, the top competitor is generally the one who can appropriate... | 2026-01-29T16:07:41.160393 |
1,149,197 | 4.066618 | http://www.learner.org/courses/essential/physicalsci/session3/interactive.html | Physical Science: Session 3
Virtual Particle Lab: Dissolving
During Session 3, one of the physical changes we examined was dissolving, particularly dissolving salt in water. The biggest question we faced was, “Does the salt disappear and, if not, where does it go?” The principle of conservation of mass tells us that no... | 2026-02-05T01:25:43.188718 |
610,345 | 3.931125 | http://www.pbs.org/wnet/facesofamerica/lessons/i-dream-of-genome/lesson-overview/156/ | (Click here for a printer-friendly version of this lesson.)
3 – 4 45-minute class periods
One of our strongest desires as humans is to know our roots – where we came from, and why we are the way we are. In recent years, we have been able to discover more information about ourselves than ever before, thanks to the seque... | 2026-01-27T17:45:08.485467 |
43,804 | 3.77548 | http://en.wikipedia.org/wiki/Mac_address | A media access control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet. Logically, MAC addresses are used in the media access control pro... | 2026-01-19T00:14:45.089473 |
318,857 | 3.704295 | http://www.archives.gov/federal-register/write/legal-docs/ambiguity.html | Drafting Legal Documents
Home | Previous | Next
An ambiguous sentence is a sentence that a reader can interpret in two or more ways.
Ambiguity has at least two common sources -- word order and word meaning.
A. WORD ORDER
The position of words in a sentence is the principal means of showing their relationship. You shoul... | 2026-01-23T02:27:28.909558 |
298,871 | 3.88821 | http://www.sciencedaily.com/releases/2005/03/050325100541.htm | Mar. 25, 2005 Conventional wisdom among paleontologists states that when dinosaurs died and became fossilized, soft tissues didn’t preserve – the bones were essentially transformed into “rocks” through a gradual replacement of all organic material by minerals. New research by a North Carolina State University paleontol... | 2026-01-22T19:00:09.998299 |
111,749 | 3.710326 | http://www.ni.com/white-paper/10528/en | 1. Example Circuit
This example investigates the dependency of the transistor parameter on the collector bias current. Use a discrete BJT to investigate the relationship (Figure 1).
Figure 1. Example Circuit
For this exercise, apply a constant voltage source and a DC current source to the base. By performing a DC analy... | 2026-01-19T23:32:39.023701 |
1,049,128 | 4.03857 | http://www.reference.com/browse/aluminum+hydrate | In organic chemistry, a hydrate is a compound formed by the addition of water or its elements to a host molecule. For example, ethanol, CH3—CH2—OH, can be considered as a hydrate of ethylene, CH2=CH2, formed by the addition of H to one C and OH to the other C. A molecule of water may be eliminated, for example by the a... | 2026-02-03T10:45:58.144741 |
768,525 | 3.530312 | http://www.nzdl.org/gsdlmod?e=d-00000-00---off-0hdl--00-0----0-10-0---0---0direct-10---4-------0-1l--11-en-50---20-about---00-0-1-00-0--4----0-0-11-10-0utfZz-8-00&a=d&c=hdl&cl=CL3.27&d=HASHe9e0240a6c0a0e862af72d.9 | | Boiling Point No. 28- August 1992 |
A short extract from "Wood Combustion Studies Part 11", July 1991 from Wood Stoves Group, Eindhoven, Holland by A M Hasan and R Khan (pp 35)
Khan's paper is a detailed study of wood combustion with down draught air supply. This is very efficient but not yet practical for domestic c... | 2026-01-30T03:31:46.990520 |
469,730 | 3.519348 | http://www.everydayhealth.com/kids-health/types-of-eating-disorders.aspx | Kids and Eating Disorders
Anorexia and bulimia are the most common eating disorders that can strike children and teens. Learn more about these conditions and how to tell if your child is at risk.
We tend to think of models, actresses, and other young adults as being the victims of eating disorders, but the truth is tha... | 2026-01-25T12:47:08.057199 |
926,829 | 4.178967 | http://en.wikipedia.org/wiki/Helminths | Helminths (//) are a polyphyletic group of eukaryotic parasites. They are worm-like organisms living in and feeding on living hosts, receiving nourishment and protection while disrupting their hosts' nutrient absorption, causing weakness and disease. Those that live inside the digestive tract are called intestinal para... | 2026-02-01T17:12:00.078014 |
600,715 | 3.773438 | http://en.wikipedia.org/wiki/Bleach_(chemical) | Bleach refers to a number of chemicals which remove color, whiten or disinfect, often via oxidation.
The bleaching process has been known for millennia, but the chemicals currently used for bleaching resulted from the work of several 18th century scientists. Chlorine is the basis for the most commonly used bleaches, fo... | 2026-01-27T14:33:44.773949 |
506,721 | 3.528346 | http://www.newscientist.com/article/dn17140-introduction-food-and-drink.html?page=1 | Food isn't just a necessity: it is one of our greatest sources of pleasure. Treats like champagne, chocolate and chips all give your brain a big "pleasure hit" that keeps us coming back for more. And preparation is as important as the ingredients: food with a browned crust generally tastes better than food without it –... | 2026-01-26T04:20:25.082888 |
393,455 | 3.620865 | http://www.gits4u.com/water/water10.htm | UN report: Sick Water
The World Health Organisation (WHO) has issued revised drinking water
guidelines, urging governments to strengthen water quality management and asking water suppliers to improve their faulty service to consumers,
in order to prevent often fatal water-borne diseases. In a statement issued in July 2... | 2026-01-24T06:38:34.556119 |
363,394 | 3.901723 | http://msdn.microsoft.com/en-us/library/zc2b427x(v=vs.90).aspx | Shared (Visual Basic)
Specifies that one or more declared programming elements are associated with a class or structure at large, and not with a specific instance of the class or structure.
When to Use Shared
Sharing a member of a class or structure makes it available to every instance, rather than nonshared, where eac... | 2026-01-23T19:07:34.654390 |
543,084 | 4.082777 | http://mathforum.org/library/drmath/sets/mid_algebra.html?start_at=521&num_to_see=40&s_keyid=38891712&f_keyid=38891713 | See also the
Dr. Math FAQ:
order of operations
3D and higher
Browse Middle School Algebra
Stars indicate particularly interesting answers or
good places to begin browsing.
Selected answers to common questions:
Direct and indirect variation.
Inequalities and negative numbers.
Positive/negative integer rules.
Solving sim... | 2026-01-26T19:18:22.734345 |
900,357 | 3.818181 | http://www.icr.org/articles/view/6739/295/ | Mouse to Elephant Needs How Much Evolution?
by Brian Thomas, M.S. *
How much time would evolution need in order to make a mouse the size of an elephant?
Since this kind of evolution supposedly occurs too slowly for biologists to observe, one place to look for answers is in the fossil record. But in order to answer this... | 2026-02-01T08:38:01.953427 |
360,543 | 3.550045 | http://violet.pha.jhu.edu/~wpb/spectroscopy/atm_trans.html | Atmospheric Transmission--Good News and Bad News
It is not coincidence that our eyes are sensitive to optical light waves. Optical
light can travel nearly unimpeded through our atmosphere, and so our eyes have adapted
themselves to be sensitive at these wavelengths. For thousands of years, optical
light was our only "w... | 2026-01-23T18:03:27.387153 |
579,971 | 3.966509 | http://technet.microsoft.com/en-us/library/ms184391(v=sql.105) | Is a clause that can be applied to a database definition or a column definition to define the collation, or to a character string expression to apply a collation cast.
The COLLATE clause can be specified at several levels. These include the following:
Creating or altering a database.
You can use the COLLATE clause of t... | 2026-01-27T07:39:48.552202 |
714,048 | 3.735526 | http://www.sonoma.edu/users/w/wallsd/on-the-naming-of-appalachia.shtml | On the Naming of Appalachia
"On the Naming of Appalachia," from An Appalachian Symposium: Essays written in honor of Cratis D. Williams, edited by J. W. Williamson (Boone, NC: Appalachian State University Press, 1977).
The circumstances surrounding the naming of Appalachia are as hazy as a mid-summer's day in the Blue ... | 2026-01-29T06:23:23.356649 |
117,671 | 3.536272 | http://www.nap.edu/openbook.php?record_id=11991&page=24 | The following HTML text is provided to enhance online
readability. Many aspects of typography translate only awkwardly to HTML.
Please use the page image
as the authoritative form to ensure accuracy.
Earth Observations from Space: The First 50 Years of Scientific Achievements
FIGURE 3.7 Winds obtained by tracking cloud... | 2026-01-20T01:41:29.753903 |
446,892 | 4.400815 | http://theconversation.com/was-our-two-faced-moon-in-a-small-collision-2659 | As of today, we have a cataclysmic new explanation for one of solar system astronomy’s most long-standing questions: why do the near- and far-sides of the Moon look so different?
This new theory, published in Nature, suggests our moon collided with a smaller object, also a moon of Earth, a few million years after both ... | 2026-01-25T03:37:38.850767 |
597,337 | 3.692608 | http://bioexpedition.com/ocean-biome/ | Ocean Biome Facts
Ocean Biome Description
A common belief is that the ocean biome was the first one to exist. More than 3 million years ago the first life forms were able to derive from here. While that is still a debated fact, you can’t help but recognize the importance of the ocean biome. While the water is refreshin... | 2026-01-27T13:26:39.176227 |
732,636 | 3.765983 | http://www.gearfire.net/4-tips-reading-retaining/ | Reading is critical to success in school, whatever point in your education you are at. But there are better and worse ways to do it. Here are a few tips on how to read better, retain more and save yourself study time later.
- Read with a purpose: Beyond “the teacher said so” there is always a reason why you are reading... | 2026-01-29T13:22:23.424168 |
592,122 | 3.811861 | http://www.dummies.com/how-to/content/how-to-expand-a-binomial-whose-monomials-have-no-c.html | How to Expand a Binomial Whose Monomials Have No Coefficients or Exponents
The final outcomes of a binomial expansion depend on whether the original monomial had no coefficients or exponents (other than 1) of the variables. To find the expansion of binomials with the theorem in a basic situation, follow these steps:
Wr... | 2026-01-27T11:43:37.889032 |
662,577 | 3.992795 | http://www.the-scientist.com/?articles.view/articleNo/29691/title/Deep-sea-taxis/ | Deep sea taxis
Swirling surface currents reach deep into the ocean to scoop up larvae from hydrothermal vents and transport them to distant locales
Invertebrate larvae at hot, biologically active deep sea vents can be swept up and transported hundreds of kilometers by surface-generated currents caused by the weather, a... | 2026-01-28T11:49:27.014479 |
944,869 | 3.520065 | http://en.wikipedia.org/wiki/Tsimshianic | |British Columbia, Alaska|
|Linguistic classification:||Penutian ?
Pre-contact distribution of Tsimshianic languages
The Tsimshianic languages are a family of languages spoken in northwestern British Columbia and in southern Alaska on Annette Island and Ketchikan. About 2,170 people of the ethnic Tsimshian // populatio... | 2026-02-01T23:02:04.057602 |
917,629 | 3.876439 | http://en.wikipedia.org/wiki/Carbon_(fiber) | To produce carbon fiber, the carbon atoms are bonded together in crystals that are more or less aligned parallel to the long axis of the fiber as the crystal alignment gives the fiber high strength-to-volume ratio (making it strong for its size). Several thousand carbon fibers are bundled together to form a tow, which ... | 2026-02-01T14:11:18.745141 |
1,061,638 | 3.595283 | http://schoolhouseteachers.com/schoolhouse-teachers/art-techniques/ | Welcome to the Art Techniques Lessons
March Lessons: Pencil Landscape with Thick and Thin Lines
This month you will create a landscape drawing using pencils to create thick and thin lines!
You just might find a few days in March that are warm enough to spend outdoors. If so, then don’t miss the opportunity to draw a la... | 2026-02-03T15:19:50.034953 |
329,521 | 3.809042 | http://wwf.panda.org/about_our_earth/about_forests/importance/forestsairclimate/ | Forests, air & climate
Forest as the Earth's air purifiers
We all know about photosynthesis - the production of energy in the presence of light by chlorophyll-containing plant parts for the subsistence of the organism. Carbon dioxide, the major greenhouse gas, is a major requirement of photosynthesis.
This suits us jus... | 2026-01-23T06:24:49.736220 |
720,711 | 4.079094 | http://www.reference.com/browse/halftone+process | In printing, a technique of breaking up an image into a series of dots to permit reproduction of the full tone range of a photograph or artwork. It is traditionally done by placing a glass screen printed with a tight grid of lines over the plate being exposed. The grid breaks up the image into hundreds of tiny dots, ea... | 2026-01-29T08:49:21.412006 |
171,099 | 3.844993 | http://nrich.maths.org/6413/note | Skip over navigation
Guide and features
Guide and features
Science, Technology, Engineering and Mathematics
Featured Early Years Foundation Stage; US Kindergarten
Featured UK Key Stage 1&2; US Grades 1-4
Featured UK Key Stage 3-5; US Grades 5-12
Featured UK Key Stage 1, US Grade 1 & 2
Featured UK Key Stage 2; US Grade ... | 2026-01-20T21:14:31.151301 |
868,580 | 3.537225 | http://www.uwyo.edu/slce/programs/goodmulesocialjsuticetermsa-k.html | Need some help with definitions of hip social justice terms?
This glossary is intended to help keep you informed about terms related to social justice issues. To see the list of words L-Z click here.
- A - B - C - D - E - F - G - H - I - J - K - L-Z -
Absolute/Extreme Poverty - The point at which you are unable to achi... | 2026-01-31T19:47:50.971860 |
327,819 | 3.602186 | http://en.wikipedia.org/wiki/Adiabatic_cooling | An adiabatic process is a process occurring without exchange of heat of a system with its environment. It is the opposite of a diabatic process, in which heat exchange occurs. A key concept in thermodynamics, many rapid chemical and physical processes are described using the adiabatic approximation. Such processes are ... | 2026-01-23T05:47:03.584667 |
39,739 | 3.578167 | http://www.kidspot.com.au/familyhealth/Learning-and-Behaviour-Understanding-Oppositional-Defiance-Disorder+4807+188+article.htm | Understanding Oppositional Defiance Disorder
If your child displays wilful behaviour that is disruptive, disrespectful and creates disharmony amongst his friends and family, you may be wondering if this is simply a stage he is going through – or could it be a symptom of a more serious behavioural condition such as Oppo... | 2026-01-18T22:53:20.186129 |
464,426 | 3.539612 | http://ced.ochs.org.uk/node/127 | We will look for the main themes of Krishna’s discourse and to try to establish the principal ideas presented in each chapter.
The Bhagavad Gita appears as a section of the Bhishma Parvan, the sixth book of the Mahabharata, at the point just prior to the eighteen-day battle at Kurukshetra. The hopes of the Pandava fact... | 2026-01-25T10:36:41.714557 |
783,151 | 3.524069 | http://www.news-medical.net/news/20130619/New-chemical-probe-confirms-that-hydrogen-sulfide-is-generated-by-bodys-growing-cells.aspx | A new study confirms directly what scientists previously knew only indirectly: The poisonous "rotten egg" gas hydrogen sulfide is generated by our body's growing cells.
Hydrogen sulfide, or H2S, is normally toxic, but in small amounts it plays a role in cardiovascular health.
In the new study, chemists developed a chem... | 2026-01-30T09:13:03.357895 |
1,107,255 | 3.988412 | http://news.nationalgeographic.com/news/energy/2013/03/pictures/130328-methane-hydrates-for-energy/ | Photograph by Issei Kato, Reuters
A liquefied natural gas (LNG) tanker docks at Tokyo Electric Power's Futtsu power station early in early 2013, as Japan's imports of the fuel reached record levels.
Methane, the primary component of natural gas, has many advantages as a fuel, but its use has always been somewhat constr... | 2026-02-04T08:27:58.128583 |
1,015,729 | 3.634084 | https://www.tshaonline.org/handbook/online/articles/upm02 | MOSCOSO EXPEDITION. Luis de Moscoso Alvarado was a member of Hernando De Soto's expedition to explore La Florida-today's southeastern United States-and to obtain gold and other riches from the native peoples of the North American continent. The army of an estimated 600 men sighted land on May 25, 1539, on the western c... | 2026-02-02T22:41:06.494944 |
454,701 | 3.844723 | http://main.zerotothree.org/site/PageServer?pagename=ter_key_social_persistent&AddInterest=1157 | Persistence is the desire to have an impact on the world, and the determination to act on that desire. While children are born with a motivation to explore and learn, persistence helps them accomplish their goals. Following are examples of how persistence develops in the first three years:
A 6-week-old smiles at her mo... | 2026-01-25T06:41:57.173350 |
317,341 | 3.619099 | http://www.fhwa.dot.gov/bridge/tunnel/pubs/nhi09010/appb.cfm | Technical Manual for Design and Construction of Road Tunnels - Civil Elements
Appendix B - Description of Rock Core Samples
Glossary of Terms Used in Rock Core Boring Logs
Arenaceous: A sedimentary rock descriptive term that signifies the rock consists in part of sand-size
Argillaceous: A sedimentary rock descriptive t... | 2026-01-23T01:53:23.908951 |
1,126,189 | 3.59612 | http://serc.carleton.edu/introgeo/mathstatmodels/examples/SFSxlII.html | Sea Floor Spreading II
In this Activity students import ocean bathymetry data from text files. Students then graph these observations along with model predictions to assess the model's ability to simulate the observed topographic features of the North Atlantic.
Activity I is the first part of this activity for students... | 2026-02-04T16:12:48.001510 |
103,500 | 3.676409 | http://www.reference.com/browse/rusticism | In art and anthropology, color symbolism refers to the use of color as a symbol throughout culture. Color psychology refers to investigating the effect of color on human behavior and feeling, distinct from phototherapy (the use of ultraviolet light to cure infantile jaundice).
Color symbolism and color psychology are c... | 2026-01-19T20:39:15.727863 |
146,548 | 3.541296 | http://www.deq.utah.gov/Pollution_Prevention/CFLs.htm | DEQ Home > Pollution Prevention > What You Should Know About Mercury and CFLs
Pollution Prevention (P2):
What You Should Know About Mercury and CFLs
Compact fluorescent light bulbs (CFLs) are highly efficient. They use 75 percent less energy and on average last 7 to 10 times longer than standard incandescent bulbs. By ... | 2026-01-20T12:11:35.109086 |
1,017,262 | 3.555992 | http://www.sciencedaily.com/releases/2013/04/130410155001.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Fsea_life+%28Sea+Life+News+--+ScienceDaily%29 | A recent study has shown that bottom-dwelling goosefish, also known as monkfish, prey on dovekies, a small Arctic seabird and the smallest member of the puffin family. To understand how this deep-water fish finds a shallow-feeding bird in offshore waters, researchers looked at when, where, and how these animals were mo... | 2026-02-02T23:14:02.503708 |
798,728 | 3.828523 | http://eolspecies.lifedesks.org/pages/23200 | The phylum Onychophora includes around 110 described species (and likely a similar number undescribed) of caterpillar-like relatives of arthropods. The first description of a living onychophoran was in 1826 (misinterpreted as a leg-bearing "slug", a mollusc). All living species are terrestrial, but a number of marine s... | 2026-01-30T15:21:07.949534 |
190,961 | 3.792683 | http://www.home.earthlink.net/~blindworld2/MEDICAL/5-08-08-02.htm | August 08, 2005.
University of Florida scientists have used a healthy human gene to prevent blindness in mice with a form of an incurable eye disease that strikes one in 5,000 boys in the United States.
Retinoschisis is a rare genetic disorder that is passed from mothers, who retain their sight, to their sons. In boys ... | 2026-01-21T04:39:40.002898 |
477,434 | 3.713121 | http://quizlet.com/3094883/export/ | ← Chemistry Exam Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Homogeneous A mixture with the same particles Heterogeneous A mixture with different particles Atom The smallest particle of an ele... | 2026-01-25T15:59:22.997659 |
613,874 | 3.744725 | http://en.wikipedia.org/wiki/Tibetan_sovereignty_debate | Tibetan sovereignty debate
The Tibetan sovereignty debate refers to two political debates. The first is whether the various territories within the People's Republic of China (PRC) that are claimed as political Tibet should separate and become a new sovereign state. Many of the points in the debate rest on a second deba... | 2026-01-27T18:55:46.009611 |
636,369 | 3.994644 | http://www.education.com/study-help/article/critical-reading-history-politics-practice-exercises-questions-6875/ | U.S. History and Politics Critical Reading Practice Exercises Set 2
U.S. History and Politics Critical Reading
Questions 1–8 are based on the following passage.
The following passage explores the role of Chinese Americans in the nineteenth-century westward expansion of the United States, specifically their influence on... | 2026-01-28T02:34:08.623163 |
911,717 | 3.785248 | http://www.ibtimes.com/space-alcohol-formation-explained-quantum-tunneling-1328895 | Alcohol such as ethanol and methanol shouldn't exist in space, but it does, and in vast quantities. But how does this happen? A new study suggests alcohol formation in space is the result of "quantum tunneling."
Alcohols are complex compounds that need a chemical reaction to be created. The extreme cold of space, with ... | 2026-02-01T12:17:59.617605 |
534,886 | 4.003562 | http://en.wikipedia.org/wiki/Nitrogen_asphyxiation | Inert gas asphyxiation
Inert gas asphyxiation is a form of asphyxiation which results from respiration of inert gas in the absence of oxygen rather than atmospheric air (a mixture of oxygen and the inert nitrogen). The painful experience of suffocation is not caused by lack of oxygen, but because carbon dioxide builds ... | 2026-01-26T15:55:09.103898 |
519,099 | 4.314557 | http://www.brighthubeducation.com/teaching-methods-tips/79912-activities-for-different-learning-styles/ | - slide 1 of 10
Educational researchers have long advocated a shift in the way we think of learning and processing information. The original research indicated that there are three basic “learning styles,” including visual, auditory and tactile/kinesthetic. Since then, Howard Gardiner has proposed a wider scale describ... | 2026-01-26T09:24:30.776861 |
682,933 | 3.595454 | http://en.wikipedia.org/wiki/Large_extra_dimensions | Large extra dimension
In particle physics, the ADD model, also known as the model with large extra dimensions, is an alternative scenario to explain the weakness of gravity relative to the other forces. This theory requires that the fields of the Standard Model are confined to a four-dimensional membrane, while gravity... | 2026-01-28T19:03:02.225059 |
1,013,701 | 3.873645 | http://www.enotes.com/topics/books-prophets | Overview (Masterplots II: Christian Literature)
The author of the Old Testament book of Isaiah flourished between 760 and 701/680 b.c.e., but many modern scholars think that much in the book by his name originated c. 540 and later. The author of the book of Jeremiah lived from c. 645 to after 587. A collection of his s... | 2026-02-02T21:59:46.228462 |
1,043,966 | 3.599657 | http://www.reference.com/browse/Navahrudak | First mentioned in the Hypatian Codex under 1252 as Novogorodok (i.e. "new little town") the town was a major settlement in the remote western lands of the Krivichs that came under the control of the Kievan Rus at the end of the 10th century. Later hypothesis is disputed, as there are earliest archaeological findings f... | 2026-02-03T08:53:37.646307 |
309,078 | 3.544604 | http://sleepdisorders.about.com/od/commonsleepdisorders/a/What-Is-Sleep-Onset-Association-Type-Of-Behavioral-Insomnia.htm | Sleep-onset insomnia is one of the two types of behavioral insomnia of childhood. It occurs when a parent's absence at bedtime causes a child to have difficultly falling asleep. This condition often occurs in infants and younger children around bedtime or after awakenings during the night.
What Causes Sleep-Onset Insom... | 2026-01-22T22:46:35.279647 |
7,928 | 3.621029 | http://homepages.inf.ed.ac.uk/rbf/CVonline/LOCAL_COPIES/AV0405/DONAVANIK/bezier.html | This article assumes a basic familiarity with Bézier curves.
A Bézier surface patch is a 4 x 4 grid of 16 control points* which describe a parametric bicubic surface, giving a compact mathematical definition of such a surface without the need to store each of the interpolated points. It is a generalization of the Bézie... | 2026-01-18T10:34:02.253609 |
40,802 | 3.561623 | http://www.physicsclassroom.com/class/waves/U10L2b.cfm | Properties of Waves
Looking for a lab that coordinates with this page? Try the Period of a Pendulum Lab from The Laboratory.Curriculum Corner
Learning requires action. Give your students this sense-making activity from The Curriculum Corner.Treasures from TPF
Need ideas? Need help? Explore The Physics Front's treasure ... | 2026-01-18T23:13:32.797974 |
365,574 | 3.619689 | http://www.depauw.edu/news-media/latest-news/details/27419/ | August 11, 2011
What began as a joke resulted in a legitimate science experiment that involved more than 100 “parachuting” frogs. This summer three students are working with Biology Professor James “Jim” H. Benedix. Ashley M. Conard ’14, Stephen G. Hesterberg ’13 and Luke B. Miller ’14 admit they were pleased and surpr... | 2026-01-23T19:55:06.189365 |
456,447 | 3.791312 | http://www.daltonstate.edu/faculty-staff/tveve/hist2111/Civil_War_Major_Events.htm | THE AMERICAN CIVIL WAR
Robert E. Lee
The Eastern Theater
1861April - Fort Sumter - the Civil War began when General Pierre Beauregard bombarded the fort. Sumter surrendered after two days of artillery fire. July- 1st Battle of Bull Run - Beauregard and Joe Johnston forced Union troops under Irwin McDowell, in the vicin... | 2026-01-25T07:23:29.885714 |
889,087 | 3.827884 | http://ohioline.osu.edu/aex-fact/0742.html | Assistant Professor and Extension Soil Scientist
Professor and Extension Water Quality Specialist
Food, Agricultural and Biological Engineering
Soil is an excellent medium for treating wastewater, and it is the most important part of a septic system. A detailed assessment of a proposed site and its soil resources is es... | 2026-02-01T04:18:15.476706 |
1,065,015 | 3.869274 | http://caseagrantnews.org/2013/07/30/new-study-adds-urgency-to-abalone-recovery/ | The white abalone is a deep-water marine snail that, like our common garden snail, scoots slowly on a large muscular foot. A single hard shell armors its soft body and lets the gastropod hunker down and hide completely within its domed, thin-walled mobile home.
Unlike garden snails, though, the white abalone – a Southe... | 2026-02-03T16:30:44.391369 |
810,015 | 3.648216 | http://econlib.org/library/YPDBooks/Lalor/llCy214.html | Cyclopædia of Political Science, Political Economy, and the Political History of the United States
CHIVALRY. It was not in the middle ages that the word knight made its first appearance in the language of politics. The small cities of Greece and the republic of Rome had their knights. They formed a distinct class in th... | 2026-01-30T19:47:51.360634 |
213,211 | 3.848756 | http://en.wikipedia.org/wiki/International_HapMap_Project | International HapMap Project
|This article relies on references to primary sources. (October 2012)|
The International HapMap Project is an organization that aims to develop a haplotype map (HapMap) of the human genome, which will describe the common patterns of human genetic variation. HapMap is a key resource for rese... | 2026-01-21T12:30:43.204686 |
635,809 | 3.529718 | http://en.wikipedia.org/wiki/Northern_White_Rhinoceros | Northern white rhinoceros
|This article needs additional citations for verification. (August 2013)|
|Northern white rhinoceros|
|A male northern white rhinoceros at the San Diego Wild Animal Park|
|Subspecies:||C. s. cottoni|
|Ceratotherium simum cottoni
|Range map in orange|
The northern white rhinoceros, or northern ... | 2026-01-28T02:22:15.286442 |
196,211 | 3.545618 | http://www.oliverheaviside.com/biograph.htm | Heaviside, Oliver (b. May 18, 1850), London. d. Feb 3, 1925, Torquay
British physicist and mathematician whose theoretical work played a large part in the understanding of radio transmissions and long distance telephony.
In 1902 his famous prediction about an ionised layer in the atmosphere which would deflect radio wa... | 2026-01-21T06:34:19.593892 |
762,004 | 3.514752 | http://en.wikipedia.org/wiki/Binge_drinking | |Classification and external resources|
1912 US. Happy New Year postcard
Binge drinking or heavy episodic drinking is a modern epithet for drinking alcoholic beverages with the primary intention of becoming intoxicated by heavy consumption of alcohol over a short period of time. It is a kind of purposeful drinking styl... | 2026-01-30T00:55:02.151199 |
309,192 | 3.515534 | http://www.cirm.ca.gov/our-funding/awards/ovol-genes-and-hes-differentiation-hair-producing-cells | Each year in America, there are 700,000 emergency visits and 45,000 hospitalizations for burn treatments, and 4,500 deaths due to fire and burns (http://www.ameriburn.org/resources_factsheet.php). Since twenty years ago, the use of artificial skin generated from human skin cells has tremendously improved the survival r... | 2026-01-22T22:49:10.495690 |
877,975 | 4.025283 | http://www.directfitautoparts.com/simple-machines-used-in-autos.html | Most people think about mechanical components when they think of the word "machine." In fact, images of airplanes, cars, computers, cell phones, and power saws come to mind when asked to think about machines. What they may not realize is that not every machine requires a motor to run. What about manually powered machin... | 2026-01-31T23:38:59.045640 |
503,566 | 3.615275 | http://www.hildene.org/tours/exhibits.html | “… the struggle to live up to Lincoln’s standards defines us as a people."
The American Ideal:
Abraham Lincoln and the Second Inaugural
Although this exhibit has many wonderful artifacts, it is not about the artifacts; it is about Lincoln’s words. The artifacts are there for the sole purpose of helping to illuminate th... | 2026-01-26T03:02:18.171764 |
759,655 | 3.810239 | http://www.macalester.edu/its/about/policies/strong-passwords/index.html | Three Approaches to Creating and Protecting Strong Passwords
Strong passwords are an important protection to help you have safer online transactions. The key to a password strength is length. An ideal password is at least 15 chracters and has letters and numbers.
Things to avoid when creating strong passwords
- Special... | 2026-01-30T00:00:18.268233 |
1,003,053 | 3.599835 | http://www.claimsjournal.com/news/national/2009/09/10/103659.htm | There are several basic biomechanical engineering principles that need to be understood before discussing low speed rear end collision scenarios.
First, when objects collide with each other, momentum changes. The vehicle being struck experiences an increase in its momentum, while the striking vehicle generally experien... | 2026-02-02T18:16:49.997686 |
628,898 | 4.355927 | http://auburn.edu/~mbl0011/lewisbl.html | Uhhh...Do You Hear That Sound?
by Miranda Lewis
Students must learn how to identify letters with their vocal gestures and sounds before developing the phonemic awareness needed to become readers. Students will learn how to identify the short U sound, (u=/u/), in words by learning a visual and oral representation of the... | 2026-01-28T00:02:22.608892 |
576,851 | 3.964685 | http://en.wikipedia.org/wiki/Prisoners_dilemma | ||This article has an unclear citation style. (October 2012)|
The prisoner's dilemma (or prisoners' dilemma) is a canonical example of a game analyzed in game theory that shows why two individuals might not cooperate, even if it appears that it is in their best interests to do so. It was originally framed by Merrill Fl... | 2026-01-27T06:37:02.618701 |
760,530 | 3.651818 | http://www.haaretz.com/news/features/this-day-in-jewish-history/this-day-in-jewish-history-august-23-1.460152 | This day in Jewish history / August 23
Escalating tensions between Arabs and Jews culminated in a brutal massacre in Hebron on this day in 1929, clearing the city of its Jewish population for years to come.
On this day in 1929, the infamous massacre of the Jews of Hebron by Palestinian Arabs began. Unrest had spread to... | 2026-01-30T00:20:19.951370 |
158,606 | 3.642568 | http://www.asbury.edu/offices/library/library-help/workshops | Library Instruction Topics
The Kinlaw Library Reference Librarians can instruct students about finding sources, evaluating materials, and using those materials effectively. Sessions can be conducted as part of a class session (focusing on one skill per session), or by asking a Librarian to do personal one-on-one instru... | 2026-01-20T16:37:09.278929 |
372,685 | 3.811698 | http://www.math.ubc.ca/~cass/courses/m309-01a/cook/hist1.html | Albert Michelson and Edward Morley tried to measure the properties of the aether. Light should propagate through the aether at a constant speed, so if one was moving with the light, it should appear to be moving slower, relative to the observer. Using an interferometer, they detected no effect.
George Fitzgerald and He... | 2026-01-23T22:39:12.891222 |
1,028,570 | 4.139368 | https://student.societyforscience.org/article/flight-without-sonar | Bats are famous for their ability to use sound to "see." The technique, called echolocation, involves making high-pitched sounds that bounce off objects and return to the animal. On the basis of the pattern of sound that comes back, a bat gets a good picture of what's out there.
More than one-fifth of mammal species al... | 2026-02-03T03:21:31.896589 |
68,355 | 3.919136 | http://www.vigyanprasar.gov.in/scientists/INewton.htm | Isaac Newton, one of the foremost scientific intellects of all time,
single-handedly contributed more to the development of science than
any other individual in history. It may not be exaggeration to state
that Newton was the single most important contributor to the development
of modern science. He surpassed the achie... | 2026-01-19T08:45:08.788242 |
661,967 | 3.845527 | http://philosophyofscienceportal.blogspot.com/2011/12/geminid-meteor-shower.html | "The 2011 Geminid Meteor Shower"
Dec. 13, 2011: The 2011 Geminid meteor shower peaks on the night of Dec. 13-14, and despite the glare of a nearly-full Moon, it might be a good show.
"Observers with clear skies could see as many as 40 Geminids per hour," predicts Bill Cooke of the NASA Meteoroid Environment Office. "Ou... | 2026-01-28T11:37:40.970109 |
195,895 | 3.637918 | http://hydraulicspneumatics.com/heat-exchangers/how-handle-hot-situation | Most hydraulic systems generate substantial heat, so they can benefit from using a heat exchanger. Here's why and how.
Hydraulic systems can use either of two methods of load control: the energy-loss method, in which flow to the actuator is set by valving, or the volumecontrol method, in which a variabledisplacement pu... | 2026-01-21T06:28:00.705185 |
514,534 | 3.81718 | http://www.pearltrees.com/rhatori/chm/id2542234 | Get flash to fully experience Pearltrees
Predicting Bond Type Previous Page: Naming Molecules When two (or, in reality many, many, many) sodium atoms get together they pool their valence electrons. When two (or, in reality exactly two) fluorine atoms approach, they each grab onto one of the other’s valence electrons, w... | 2026-01-26T07:31:05.925222 |
962,640 | 4.327352 | http://www.weatherexplained.com/Vol-1/El-Ni-o-La-Ni-a.html | El Niño & La Niña
The original definition of El Niño goes back to the eighteenth or nineteenth century when Peruvian sailors coined the term to describe a warm southward current that appeared annually near Christmas off the Peruvian coast. Hence the name El Niño, Spanish for "the Child," referring to the Christ Child. ... | 2026-02-02T04:51:53.930675 |
627,427 | 3.930547 | http://www.millbraemontessori.com/curriculum.html | Our curriculum gives children an opportunity to learn at their own pace and allows them to participate in programs designed especially for their abilities and interests. Each child experiences success and confidence through non-competitive activities. Dr. Maria Montessori stated, "Never let a child risk failure, until ... | 2026-01-27T23:30:35.443150 |
775,963 | 4.289386 | http://darwins-god.blogspot.com/2009/09/mammalian-like-clockwork-in-honey-bee.html | You may remember from second grade that honey bees perform a dance to guide other bees to food sources. Aristotle observed their intricate movements and Karl von Frisch won a Nobel Prize in 1973 for decoding the language of the bee. In fact bees can return to the same source many miles away and at precise times during ... | 2026-01-30T06:30:37.768414 |
72,678 | 3.974826 | http://Shannon_Hlebichuk@uml.edu/News/press-releases/2011/umass_researchers_create_ultra.aspx | By For more information, contact firstname.lastname@example.org or 978-934-3224
LOWELL, Mass. - Scientists at the University of Massachusetts Lowell and the University of Glasgow have created an ultra-fast 1,000-core computer processor. By contrast, today’s commonly used computers have up to only 16 “cores,” which read... | 2026-01-19T10:15:50.811487 |
891,992 | 3.70728 | http://en.wikipedia.org/wiki/Flagship_Program | The Flagship Program is a series of NASA missions to explore the Solar System. It is the largest and most expensive of three classes of NASA Solar System Programs – the other two being the Discovery Program, which is the cheapest in cost, and the New Frontiers Program, which is medium-cost.
According to NASA, the cost ... | 2026-02-01T05:30:58.837315 |
612,447 | 4.217137 | http://www.r-bloggers.com/detecting-an-unfair-die-with-bayes-theorem/ | I saw an interesting problem that requires Bayes’ Theorem and some simple R programming while reading a bioinformatics textbook. I will discuss the math behind solving this problem in detail, and I will illustrate some very useful plotting functions to generate a plot from R that visualizes the solution effectively.
Th... | 2026-01-27T18:26:12.844617 |
428,250 | 3.5323 | http://www.israelnationalnews.com/Articles/Article.aspx/12745 | Judaism: The Exodus and Tefillin
HaRav Avraham Yitzchak HaCohen Kook zts"lFirst Ashkenazi Chief Rabbi of Israel, revered and famed Torah sage, philosopher, writer, poet, iconic and beloved leader of religious Zionism and the return to Zion (1865-1935).
The Torah commands us to commemorate the Exodus from Egypt by weari... | 2026-01-24T20:18:25.200939 |
1,040,270 | 3.678893 | http://www.thinktoomuch.net/2008/03/16/batten-2-transitional-fossils-and-quote-mining/ | Stephen Jay Gould (September 10, 1941 — May 20, 2002) was an American paleontologist, evolutionary biologist, and historian of science. He was also one of the most influential and widely read writers of popular science of his generation. (Wikipedia) He and Niles Eldredge developed the theory of punctuated equilibrium, ... | 2026-02-03T07:33:34.860101 |
989,772 | 3.603582 | http://www.svh-mt.org/body_iframe.cfm?id=213&action=detail&AEArticleID=000788&AEProductID=Adam2004_5117&AEProjectTypeIDURL=APT_1 | |Back to Main Print This Page Email to a Friend|
Creutzfeldt-Jakob disease (CJD) is a form of brain damage that leads to a rapid decrease of mental function and movement.
Transmissible spongiform encephalopathy; vCJD; CJD; Jacob-Creutzfeldt disease
CJD is thought to be caused by a protein called a prion. A prion causes... | 2026-02-02T13:47:50.268040 |
1,069,762 | 3.636344 | http://solarsystem.nasa.gov/scitech/display.cfm?ST_ID=205 | 1997 Apparition of Comet Hale-Bopp
Historical Comet Observations
by Karen Meech
To primitive man, a comet was something to be feared, a portent of an impending disaster. Because comets brighten relatively rapidly when they get close to the sun, and because bright comets (visible to the naked eye) are relatively rare, c... | 2026-02-03T18:12:40.442749 |
204,303 | 3.875429 | http://www.chemicalprocessing.com/articles/2008/117/?show=all | Learn more about pH measurement by visiting these articles, books and whitepapers
> pH measurement faces acid test
Many processing operations depend upon pH measurement. Yet, too often plants find it challenging to get accurate readings. So, we’ll discuss the variety of factors — ranging from the nature of the pH senso... | 2026-01-21T09:26:11.148024 |
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