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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22,989 | 3.699284 | http://www.ruralvt.com/ancientroads/bearingDistanceCalculations.php | |Home |||News |||Tracking |||Forms/Templates |||Tutorials/Guides |||Reference |||Minutes |||External |||ListServ||FTP|
The surveyor's bearing and distance values, known as "survey pairs", found in the record of new roads, often use a notation and units not familiar to us 21st century folks. To acquaint you with the sty... | 2026-01-18T16:15:45.699159 |
981,745 | 4.094966 | http://nature.nps.gov/geology/parks/tapr/ | Few places in the country demonstrate the connection between landscape and people better than the tallgrass prairie of the Flint Hills. The hills of the Tallgrass Prairie National Preserve and the surrounding area are shaped by the rocks that lie directly beneath the vegetation and soil— the same rocks which made culti... | 2026-02-02T11:06:21.491361 |
24,628 | 3.613995 | https://scienceafrica.co.ke/tress-in-african-drylands-critical-for-holding-groundwater-deep-soil/ | By HENRY OWINO (Senior Correspondent)
Climate change projections indicate that West Africa will experience an increase in the number of extreme rainfall events in the 21st century.
Results from a study carried out by scientists suggest that tree cover is key not only to making this an opportunity to increase soil and g... | 2026-01-18T16:53:26.121317 |
964,176 | 3.625414 | http://www.merckmanuals.com/pethealth/exotic_pets/guinea_pigs/disorders_and_diseases_of_guinea_pigs.html | Health problems among guinea pigs that live alone are usually related to aging, dental disease, reproductive disorders, injury, or improper care. Infectious diseases such as certain viruses and bacteria usually occur only in guinea pigs that live with other guinea pigs. Intestinal parasites are not common. Tumors are r... | 2026-02-02T05:22:27.890751 |
497,986 | 3.549439 | http://teachers.mam.org/resource/in-depth-discussion-thomas-gainsborough/ | Thomas Gainsborough (1727–1788) was a painter who loved landscapes, but who made his money through portraiture.
Mary, Countess Howe (ca. 1764) is commonly heralded as one of the great masterpieces of British painting. Gainsborough was paid to paint her portrait, along with that of her husband, Richard Howe, when he liv... | 2026-01-26T00:44:09.404064 |
701,309 | 3.86138 | http://www.quackwatch.org/01QuackeryRelatedTopics/lyme.html | Questionable Diagnosis and Treatment
Edward McSweegan, Ph.D.
Lyme disease is the most common tick-borne disease in the United States. In 2011, the Centers for Disease Control and Prevention (CDC) recorded recorded 24,364 cases as confimed and 8,733 cases as probable . The infection is caused by Borrelia burgdorferi, a ... | 2026-01-29T01:42:30.217993 |
401,455 | 3.726161 | http://faculty.marianopolis.edu/c.belanger/quebechistory/encyclopedia/Conthistcan.htm | L’Encyclopédie de l’histoire du Québec / The Quebec History Encyclopedia
Constitutional History of Canada
[This text was written in 1948. For the full citation, see the end of the text]
There are four well-defined periods in the constitutional development of Canada. The first of these was the period of arbitrary govern... | 2026-01-24T09:48:32.030193 |
716,295 | 3.628077 | http://msdn.microsoft.com/en-us/library/windowsphone/develop/7eddebat(v=vs.105).aspx | Array.IndexOf Method (Array, Object)
December 03, 2013
Searches for the specified object and returns the index of the first occurrence within the entire one-dimensional Array.
Assembly: mscorlib (in mscorlib.dll)
- Type: System.Object
The object to locate in array.
Return ValueType: System.Int32
The index of the first ... | 2026-01-29T07:11:50.037357 |
386,938 | 3.696978 | http://www.mesa.edu.au/seachange/98/sample.asp | Theme: Celebrate the Sea: Clean Oceans
Seaweek '98 coordinator: Barbara Jensen
Sample Materials from the Seaweek '98 kits
Seaweek Primary Activity Booklet
This activity is one from the Seaweek'98 Primary Activity booklet. There is background information and activities in outline form. Each activity explores the issues ... | 2026-01-24T04:00:54.744547 |
573,768 | 4.13805 | http://www.scpr.org/news/2009/12/14/9163/groundwater-agu/ | California scientists say water stored naturally underground in the Central Valley is disappearing at a rapid rate. The likely cause is irrigation.
UC Irvine and NASA scientists monitor tiny month-to-month differences in Earth's gravity field for the Gravity Recovery and Climate Experiment. That gravity field changes, ... | 2026-01-27T05:35:06.996140 |
12,002 | 3.619561 | https://medlineplus.gov/genetics/condition/deoxyguanosine-kinase-deficiency/ | Deoxyguanosine kinase deficiency is an inherited disorder that can cause liver disease and neurological problems. Researchers have described two forms of this disorder. The majority of affected individuals have the more severe form, which is called hepatocerebral because of the serious problems it causes in the liver a... | 2026-01-18T12:05:24.014085 |
141,149 | 3.675394 | http://www.soilassociation.org/wildlife/bees | The plight of the bee
Bees are under threat like never before, with their numbers declining. There is strong evidence that neonicotinoids – a class of pesticide first used in agriculture in the mid 1990s at exactly the time when mass bee disappearances started occurring – are involved in the deaths. Another major facto... | 2026-01-20T10:11:40.153738 |
182,809 | 3.614106 | http://en.wikipedia.org/wiki/Semimajor_axis | In geometry, the major axis of an ellipse is the longest diameter: a line (line segment) that runs through the center and both foci, with ends at the widest points of the shape. The semi-major axis is one half of the major axis, and thus runs from the centre, through a focus, and to the edge of the ellipse; essentially... | 2026-01-21T01:32:17.992395 |
785,357 | 3.536356 | http://phys.org/news147374744.html | Vitamin D deficiency—which is traditionally associated with bone and muscle weakness—may also increase the risk of cardiovascular disease (CVD). A growing body of evidence links low 25-hydroxyvitamin D levels to common CVD risk factors such as hypertension, obesity and diabetes, as well as major cardiovascular events i... | 2026-01-30T10:05:26.198431 |
273,254 | 3.781073 | http://www.ldeo.columbia.edu/~kastens/curriculum/BRF/orientation/hpuzz/HPuzz_words.html | Return to the Black Rock Forest Student Investigations Home Page
About the Harvester Puzzles:
Harvester Puzzles are designed to help students learn:
(a) to use the Earth Curriculum Data Harvester , and
(b) to use Earth data to answer questions.
The questions posed in the Harvester Puzzles are questions from everyday li... | 2026-01-22T09:29:49.045404 |
315,127 | 3.623132 | http://www.drroyspencer.com/2009/05/climate-model-predictions-it%E2%80%99s-time-for-a-reality-check/ | The fear of anthropogenic global warming is based almost entirely upon computerized climate model simulations of how the global atmosphere will respond to slowly increasing carbon dioxide concentrations. There are now over 20 models being tracked by the IPCC, and they project levels of warming ranging from pretty signi... | 2026-01-23T01:03:14.953528 |
941,577 | 4.058851 | http://serc.carleton.edu/sp/ssac_home/general/examples/14935.html | How Large is the Great Pyramid of Giza? -- Would it make a wall that would enclose France?
In this Spreadsheets Across the Curriculum module, students do an estimation calculation that sheds light on the size of the Great Pyramid. The calculation was first done by Napoleon during the Battle of the Pyramids in 1798. Whi... | 2026-02-01T21:58:24.525534 |
225,740 | 4.407016 | http://www.catlin.edu/curriculum/unit/unit-3 | - What makes a good definition?
- What are some essential definitions in geometry that we will return to all year?
- How do we solve basic problems of coordinate geometry?
- Basic geometric terms
- Midpoint formula
- Parallel and perpendicular slopes
- Triangle coordinate geometry
Skills and Processes:
- Creating a cle... | 2026-01-21T16:53:27.772362 |
519,259 | 3.527765 | http://blog.drwile.com/?p=5313 | Posted by jlwile on May 27, 2011
In my previous post, I discussed the cane toad invasion of Australia. While studies of the invasion have shown a new mechanism of selection that is distinct from classic natural selection, they have also shown how limited the range of evolutionary change in cane toads really is. This is... | 2026-01-26T09:28:26.932805 |
640,723 | 3.588419 | http://www.engr.wisc.edu/news/ar/1998/me.html | ssistant Professor Nicola Ferrier (right) is working with
postdoctoral researcher Kyunghwan Kim (left) to give robots a sense of
touch. Currently, a typical robot hand might include two ridged
fingers made of parallel plates. If an object is flat and its
placement known, the robot can successfully pick it up. But try
f... | 2026-01-28T04:03:33.968565 |
16,124 | 3.507132 | http://nautil.us/issue/46/balance/a-brief-history-of-the-grand-unified-theory-of-physics?utm_source=frontpage&utm_medium=mshare&utm_campaign=a-brief-history-of-the-grand-unified-theory-of-physics | Particle physicists had two nightmares before the Higgs particle was discovered in 2012. The first was that the Large Hadron Collider (LHC) particle accelerator would see precisely nothing. For if it did, it would likely be the last large accelerator ever built to probe the fundamental makeup of the cosmos. The second ... | 2026-01-18T13:39:31.138025 |
310,657 | 3.868502 | http://westerndiatoms.colorado.edu/about/what_are_diatoms | The Division Bacillariophyta, or diatoms, are algae with a distinct silica cell wall called a frustule.
The division Bacilliariophyta is distinguished by the presence of an inorganic cell wall composed of silica (hydrated Si02). The wall, or frustule, consists of two parts called “valves”. Diatoms have evolved to have ... | 2026-01-22T23:21:44.519165 |
152,324 | 3.565221 | http://www.chemeurope.com/en/encyclopedia/Maize.html | To use all functions of this page, please activate cookies in your browser.
With an accout for my.chemeurope.com you can always see everything at a glance – and you can configure your own website and individual newsletter.
- My watch list
- My saved searches
- My saved topics
- My newsletter
Maize (IPA: /ˈmeɪz/) (Zea m... | 2026-01-20T14:21:10.118891 |
675,872 | 3.746591 | http://www.nature.nps.gov/Geology/parks/kefj/ | Glacier-carved Valleys Filled with Ocean Waters
The Kenai Fjords are coastal mountain fjords whose placid seascapes reflect scenic icebound landscapes and whose salt spray mixes with mountain mist. Located on the southeastern Kenai Peninsula, the national park is a pristine and rugged land supporting many unaltered nat... | 2026-01-28T16:32:44.056725 |
270,771 | 3.554424 | http://ldpride.net/emotions.htm | Understand Your Learning Style
Download my free eBook, Understanding Your Learning Style. Discover tips on how to improve your learning. Enter your email and get the book now!
growing up with a learning disability often feel a sense of shame. For some, it
is a great relief to receive the diagnosis while for others the ... | 2026-01-22T08:34:11.421324 |
835,022 | 3.723813 | http://historymatters.gmu.edu/mse/maps/what.html | Maps can be an important source of primary information for historic investigation. But what is a map? This is a deceptively simple question, until you're asked to provide an answer -- you may find it far more difficult than you think. Yet we encounter maps on a daily basis. The media uses them to pinpoint the location ... | 2026-01-31T06:00:38.986265 |
487,108 | 3.582522 | http://www.teacherspayteachers.com/Product/Scientist-Lingo-Science-vocabulary-used-by-scientists-scientific-method-342605 | Academic Vocabulary can be quite difficult for students especially in science. This product uses many of the common words that scientists use. The list of words can be seen in the bingo thumbnail picture. Some include: measure, model, hypothesis, predict, results, etc. Some of these materials can be reused if you have ... | 2026-01-25T20:03:39.075340 |
15,869 | 4.212487 | http://edu.lva.virginia.gov/virginia-women-in-history/for-educators/ | Using the Primary Resources Associated with the Virginia Women in History Program
The Library of Virginia hopes that the Virginia Women in History program can be a part of your classroom curriculum. Each honoree’s page features a concise biography along with an image. These tools can help your students sharpen their an... | 2026-01-18T13:34:19.763064 |
40,800 | 4.672068 | http://www.newworldencyclopedia.org/entry/Acceleration | In physics, acceleration is defined as the rate of change of velocity—that is, the change of velocity with time. An object is said to undergo acceleration if it is changing its speed or direction or both. A device used for measuring acceleration is called an accelerometer.
An object traveling in a straight line undergo... | 2026-01-18T23:13:32.797974 |
362,529 | 3.842683 | http://www.centuryinter.net/tjs11/hist/clovis.htm | Mystery of the Clovis Point
What happened to Clovis?
During the last ice age, 15,000 years ago, Asia and North America were connected near the Bering Sea by a 1,000 mile wide grassy plain. Hunters followed herds of large game animals across the land bridge to spread over North America during the next ten centuries. The... | 2026-01-23T18:47:47.659854 |
762,746 | 3.729007 | http://www.newworldencyclopedia.org/entry/Fern | Polystichum setiferum showing unrolling young frond
A fern, or pteridophyte, is any one of a group of plants classified in the Division Pteridophyta, formerly known as Filicophyta. A fern is a vascular plant that differs from the more primitive lycophytes in having true leaves (megaphylls) and from the more advanced se... | 2026-01-30T01:12:20.588717 |
538,436 | 3.600562 | http://wordpress.clarku.edu/tlivdahl/research/egg-hatch/egg-hatch-inhibition/ | Larva-induced egg hatch inhibition
Eggs within the genera Ochlerotatus and Aedes are capable of refraining from hatching when their environment is crowded with large larvae. We have shown this in laboratory situations (below, Livdahl et al. 1984) and field experiments (below, Livdahl and Edgerly 1987) with O. triseriat... | 2026-01-26T17:27:28.493566 |
1,095,357 | 3.710434 | http://astronomy.com/news-observing/news/2006/04/prometheus%20pull | Saturn's moon Prometheus borrows material from the planet's faint F ring.
April 12, 2006
Saturn's faint outer ringlets have been a source of fascination since the Voyager spacecraft flybys in the early 1980s first showed them to have mysterious kinks and twists. While scientists think these rings are gravitationally co... | 2026-02-04T03:38:20.732706 |
165,588 | 3.660825 | http://news.discovery.com/human/psychology/walking-rooms-forget-111123.htm | Ever get up to retrieve something from another room only to completely forget what you needed after crossing the doorway?
You’re not alone, and scientists think forgetful trips between rooms result from how our brains interpret spatial information.
Researchers already know that walking from one space to another makes p... | 2026-01-20T19:09:09.620007 |
1,061,911 | 3.565742 | http://www.webelements.com/nexus/search/results/taxonomy%3A257?page=1 | The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Chemistry for 2006 to Prof Roger D. Kornberg of Stanford University (Stanford, CA, USA) "for his studies of the molecular basis of eukaryotic transcription".
In order for our bodies to make use of the information stored in the genes, a copy m... | 2026-02-03T15:24:58.795952 |
1,017,656 | 3.814957 | http://www.crystalinks.com/prehistoric_mining.html | Since the beginning of civilization, people have used stone, ceramics and, later, metals found on or close to the Earth’s surface. These were used to manufacture early tools and weapons, for example, high quality flint found in northern France and southern England were used to create flint tools. Flint mines have been ... | 2026-02-02T23:22:12.346012 |
944,222 | 3.706111 | http://www.slashgear.com/researchers-discover-mice-have-complex-singing-skills-11251363/ | A recent study shows that mice have pretty sophisticated singing skills, including the ability to change tunes. While scientists have known that dolphins and various birds possess the same ability as humans to learn and change tunes. Previously, the vocal abilities in mice was believed to be innate.
Scientists believe ... | 2026-02-01T22:49:22.241914 |
210,603 | 3.595655 | http://www.sierraclub.ca/en/node/4448 | Schools of fish show engineers how to squeeze much more power from wind farms
A new wind farm design mimics a school of fish to exploit wind turbulence, and could dramatically improve power output.
Familiar propeller-style wind turbines with large sweeping blades have almost reached their limit of efficiency.
But in a ... | 2026-01-21T11:35:33.091367 |
920,927 | 3.819763 | https://news.nationalgeographic.com/news/2013/13/130517-billion-year-old-water-mine-canada-ancient-microbes-science/ | Photograph by J. Telling
Published May 17, 2013
Pockets of water trapped in rocks from a Canadian mine are over a billion years old, and the water could contain life forms that can survive independently from the sun, scientists said this week.
The ancient water was collected from boreholes at Timmins Mine beneath Ontar... | 2026-02-01T15:16:22.515052 |
468,143 | 3.870726 | http://lejos.sourceforge.net/nxt/nxj/tutorial/WheeledVehicles/WheeledVehicles.htm | Controlling Wheeled Vehicles
A common type of robot is the two wheeled vehicle with independently controlled motors. This design uses differential steering and can turn in place. There are other possible mechanical designs which controlled by other classes. The classes that control vehicles work at several levels of ab... | 2026-01-25T12:07:58.226754 |
806,943 | 4.240938 | http://www.antennex.com/preview/Dec03/Dec603/Loopantennas.htm | By David Jefferies
What is a loop antenna?
loop antenna has a continuous conducting path leading from one conductor of a two-wire transmission line to the other conductor. You may think of it as a "coil that radiates". The coil may have only a single turn. It may have arbitrary shaped perimeter, but the essence of a co... | 2026-01-30T18:33:59.882020 |
872,188 | 3.571428 | http://web.nickshanks.com/history/medieval/manor | |Medieval Economy Home||
Feudalism and Manorialism
What is Maniorialism?
Manorialism, otherwise known as the Manorial System, is the political, economic, and social system by which peasants of medieval Europe were made dependent on their land and on their lord derived from the word ‘manor.’ Its basic unit was the manor... | 2026-01-31T21:17:06.551378 |
275,001 | 3.661204 | http://www.newton.dep.anl.gov/askasci/eng99/eng99161.htm | Liquid Density Applications
Name: Sonya H.
My nine year old son and I are working on his science
project. We have mixed three different types of liquids together to prove
that one liquid is more dense than the other, and will separate. In other
words, one liquid is heavier than the other.
I am having problem applying t... | 2026-01-22T10:07:01.809601 |
191,169 | 3.50111 | http://programmers.stackexchange.com/questions/125883/are-there-any-languages-that-have-both-high-and-low-level-facilities/125888 | C++ is the canonical example of a language that combines low-level and high-level features1. It doesn't simulate anything, it provides native support for almost every high-level construct you'll usually find in a common high-level language and almost every low-level construct you'll find in C.
But of course the terms a... | 2026-01-21T04:49:04.587162 |
955,282 | 3.922036 | http://en.wikipedia.org/wiki/Alogia | In psychology, alogia (Greek ἀ-, “without”, and λόγος, “speech”), or poverty of speech, is a general lack of additional, unprompted content seen in normal speech. As a symptom, it is commonly seen in patients suffering from schizophrenia, and is considered as a negative symptom. It can complicate psychotherapy severely... | 2026-02-02T02:25:29.767733 |
1,060,833 | 3.916428 | http://learner.org/courses/teachingmath/grades3_5/session_05/section_03_b.html | Teacher resources and professional development across the curriculum
Teacher professional development and classroom resources across the curriculum
|Introduction | Defining Representation | Connecting Representations | The Teacher's Role | Your Journal|
Using Variety of Representations
Much of students' mathematical le... | 2026-02-03T15:01:35.503443 |
935,530 | 3.596875 | http://docs.scipy.org/doc/numpy-1.5.x/reference/generated/numpy.random.multivariate_normal.html | Draw random samples from a multivariate normal distribution.
The multivariate normal, multinormal or Gaussian distribution is a generalisation of the one-dimensional normal distribution to higher dimensions.
Such a distribution is specified by its mean and covariance matrix, which are analogous to the mean (average or ... | 2026-02-01T20:01:08.570065 |
225,507 | 4.137381 | http://www.history.navy.mil/branches/teach/pearl/infamy/infamy.htm | A Date Which Will Live in Infamy
- Use President Franklin D. Roosevelts radio address following the attack on Pearl Harbor as a primary source to understand American reaction following the attacks.
- Synthesize knowledge from all lesson plans to understand how different Americans reacted to FDR's call for war.
Resource... | 2026-01-21T16:48:51.368783 |
295,827 | 3.943143 | http://www.icr.org/article/human-evolution-story-stumbles-over/ | Human Evolution Story Stumbles Over Footprints
by Brian Thomas, M.S. *
Sometime in the distant past, two or three individuals walked across wet volcanic ash, leaving a trail that continues to puzzle scientists. When the Laetoli footprints were discovered over 30 years ago in Tanzania, the tracks looked like they were c... | 2026-01-22T17:50:27.291699 |
385,337 | 3.87707 | http://io9.com/5903221/meet-xna-the-first-synthetic-dna-that-evolves-like-the-real-thing | New research has brought us closer than ever to synthesizing entirely new forms of life. An international team of researchers has shown that artificial nucleic acids - called "XNAs" - can replicate and evolve, just like DNA and RNA.
We spoke to one of the researchers who made this breakthrough, to find out how it can a... | 2026-01-24T03:24:03.477817 |
458,128 | 3.719285 | http://dgcorner.ifpri.info/2012/07/26/responding-to-drought-to-prevent-another-global-food-crisis/ | According to the Economic Research Service of the USDA, 62 percent of US farms are located in areas experiencing drought. About 40 percent of maize and soybeans and 44 percent of livestock are produced in areas experiencing severe drought. As a result, national crop yield and harvest estimates for maize and soybeans ha... | 2026-01-25T08:04:27.296000 |
879,655 | 3.684069 | http://www.britannica.com/print/topic/146212 | cultural evolution, also called sociocultural evolution, the development of one or more cultures from simpler to more complex forms. The subject may be viewed as a unilinear phenomenon that describes the evolution of human behaviour as a whole, or it may be viewed as a multilinear phenomenon, in which case it describes... | 2026-02-01T00:20:49.073504 |
998,379 | 3.716734 | http://www.enotes.com/topics/crime-and-punishment/reference | Crime and Punishment (American History Through Literature)
Scenes of transgressions and consequences inform Western cultural discourse going back to the first story of humankind in the Bible, so it is not surprising that crime and punishment form the basis of a number of literary works in the mid-nineteenth century. Un... | 2026-02-02T16:39:05.058626 |
936,720 | 3.860343 | http://www.beliefnet.com/healthandhealing/getcontent.aspx?cid=%0D%0A%09%09%09%09%09%09311800 | Gastroesophageal Reflux Disease—Child
(GERD—Child; Chronic Heartburn—Child; Reflux Esophagitis—Child; Gastro-oesophageal Reflux Disease—Child; GORD—Child; Heartburn—Child; Reflux—Child)
Pronounced: Gas-tro-ee-sof-a-geal re-flux diseaseEn Español (Spanish Version)
Gastroesophageal reflux disease (GERD) is a disorder tha... | 2026-02-01T20:25:00.131670 |
953,497 | 3.669912 | http://www.oxfordbiblicalstudies.com/resource/lessonplan_15.xhtml | Lesson Plan: Exploring Biblical Poetry
Anne W. Stewart
Audience: Undergraduate Introduction to Bible course
By completing this lesson, the student will:
- 1. Gain an introduction to the nature of poetry in the Hebrew Bible, including its common features and forms
- 2. Explore the diverse genres of poetry in the Hebrew ... | 2026-02-02T01:50:59.797109 |
756,883 | 3.529491 | http://www.allinahealth.org/mdex/ND2603G.HTM | Internal Radiation Therapy
What is internal radiation therapy? Internal radiation therapy, also called brachytherapy, is a type of radiation to treat cancer. The source of radiation is placed in your body or on an area of your body close to the tumor. It is used to shrink the tumor or kill the cancer cells. Brachythera... | 2026-01-29T22:53:34.285985 |
950,242 | 3.64641 | http://www.instructables.com/id/Geodesic-Dome-Greenhouse/?ALLSTEPS | For more information about the YES program please visit www.youthexploringscience.com.
Working and building the domes has been exciting, but also very beneficial. We traveled around St. Louis teaching kids and adults about the purpose and functions of the greenhouses. Also, we supervised the building of domes at differ... | 2026-02-02T00:45:48.935139 |
5,743 | 3.687085 | http://www.environment.gov.au/science/supervising-scientist/research/hgp/waterquality | Impacts on downstream water quality
This research area is closely aligned with research on sediment/contaminant delivery from mine sites to stream systems. Once the quantity of sediment eroded from a mine site, transported through a catchment and delivered to the stream system has been determined, the impact of this se... | 2026-01-18T09:43:01.662145 |
817,100 | 3.816616 | http://scini1.mlml.calstate.edu/goals-2/sciencegoals/ | In our first year (2007) our scientific goal was to search for “The Lost Experiments” – a set of recruitment, colonization and predation experiments that were started in the early 1960’s by Dr. Paul Dayton at Scripps Institution of Oceanography. Those were the earliest days of Scuba diving, when depth limitations had n... | 2026-01-30T22:37:54.090364 |
1,105,415 | 3.824599 | http://thecephalopodpage.org/ | |Home | What's New? | Cephalopod Species | Cephalopod Articles | Lessons | Bookstore | Resources | About TCP | FAQs|
Cephalopods, the class of mollusks which scientists classify octopuses, squid, cuttlefish and nautiluses, can change color faster than a chameleon. They can also change texture and body shape, and, and i... | 2026-02-04T07:45:12.518708 |
879,105 | 3.950445 | http://www.alpharubicon.com/med/enviroemerg.html | Probably the most common emergency weíll see as survivalists is some type of environmental emergency, such as hypothermia or hyperthermia. Being outdoors, training, or doing other vigorous activities can lead to temperature control problems within the body.
Hypothermia is caused from prolonged exposure to cold. It can ... | 2026-02-01T00:07:23.346086 |
191,813 | 3.948024 | http://libcom.org/book/export/html/39391 | The First World War and then immigration restrictions instituted afterward cut off the flow of European immigrants into the United States. Between 1920 and 1930 the numbers of Russian-born people had fallen 16%, Irish by 11%; Germans and Czechs also registered slight declines. Blacks continued to move north as they had... | 2026-01-21T05:02:38.181418 |
378,814 | 4.123274 | http://www.liveleak.com/view?i=464_1208951613&comments=1 | When Darwin's The Origin of Species was published in 1859, it was believed that he had put forward a theory that could account for the extraordinary variety of living things. He had observed that there were different variations within the same species. For instance, while wandering through England's animal fairs, he no... | 2026-01-24T00:55:58.984644 |
468,818 | 3.647521 | http://en.wikipedia.org/wiki/Thomas_Cavendish | Sir Thomas Cavendish (19 September 1560 – May 1592) was an English explorer and a privateer known as "The Navigator" because he was the first who deliberately tried to emulate Sir Francis Drake and raid the Spanish towns and ships in the Pacific and return by circumnavigating the globe. While members of Magellan's, Loa... | 2026-01-25T12:24:18.843027 |
594,530 | 3.886091 | http://en.wikipedia.org/wiki/Reciprocity_(Canadian_politics) | Reciprocity (Canadian politics)
In nineteenth and early twentieth century Canadian politics, reciprocity meant the removal of protective tariffs on all natural resources being imported and exported between Canada and the United States. Reciprocity and free trade have been emotional issues in Canadian history, as they p... | 2026-01-27T12:31:26.309732 |
531,722 | 3.583409 | http://www.healthline.com/galecontent/allergic-bronchopulmonary-aspergillosis | Allergic Bronchopulmonary Aspergillosis
Allergic bronchopulmonary aspergillosis, or ABPA, is one of four major types of infections in humans caused by Aspergillus fungi. ABPA is a hypersensitivity reaction that occurs in asthma patients who are allergic to this specific fungus.
ABPA is an allergic reaction to a species... | 2026-01-26T14:35:31.876916 |
969,491 | 3.804676 | http://en.wikipedia.org/wiki/Great_Highland_Bagpipe | Great Highland Bagpipe
The Great Highland Bagpipe (Scottish Gaelic: a' phìob mhòr; often abbreviated GHB in English) is a type of bagpipe native to Scotland. It has achieved widespread recognition through its usage in the British military and in pipe bands throughout the world.
The bagpipe is first attested in Scotland... | 2026-02-02T07:05:43.001231 |
1,016,369 | 3.846082 | http://pandasthumb.org/archives/2013/05/press-release-t.html | Introgression or genetic exchange between crops and their wild relatives is of broad interest due to concern regarding the escape of transgenes from genetically engineered crops. Many fear the potential deleterious effects of such introgression including decreased fitness or diversity of wild relatives and/or the creat... | 2026-02-02T22:54:16.292641 |
642,181 | 3.562742 | http://www.understandingrace.org/resources/glossary.html | A | B | C | D | E | F | G | H | I - K | L | M | N-O | P | R | S | T | U | W-Z
ABO blood system: a human blood typing system that consists of 4 distinct types: A, B, AB, and O. ABO blood type is determined by the alleles present at a single locus, which are inherited from parents.
abolition: the abolition movement consi... | 2026-01-28T04:33:45.553562 |
1,148,687 | 3.542144 | http://www.britannica.com/print/topic/334981 | Adrien-Marie Legendre, (born September 18, 1752, Paris, France—died January 10, 1833, Paris), French mathematician whose distinguished work on elliptic integrals provided basic analytic tools for mathematical physics.
Little is known about Legendre’s early life except that his family wealth allowed him to study physics... | 2026-02-05T01:12:55.018403 |
29,617 | 4.604753 | http://www.borenson.com/Standards/tabid/866/Default.aspx | “Without any doubt, the foundational skill of
algebra is fluency in the use of symbols.”
Final Report of the National Mathematics Advisory Panel
Report of the Task Group on Conceptual Knowledge and Skills, Page 17
The NCTM Principles and Standards for School Mathematics notes that “a strong foundation in algebra should... | 2026-01-18T19:21:36.809620 |
1,098,270 | 3.968345 | http://www.eurekalert.org/pub_releases/2010-06/uog-sbn062310.php | This release is available in Spanish.
The separation of Neardenthal and Homo sapiens might have occurred at least one million years ago, more than 500.000 years earlier than previously believed after DNA-based analyses. A doctoral thesis conducted at the National Center for Research on Human Evolution (Centro Nacional ... | 2026-02-04T04:50:15.986473 |
395,839 | 3.662946 | http://www.cartage.org.lb/en/themes/sciences/Earthscience/Geology/WaterCycles/EfficientUseofWater/EfficientUseofWater.htm | |Themes > Science > Earth Sciences > Geology > Water and Water Cycles > Efficient Use of Water in the Garden and Landscape|
During 1984, an estimated 1.25 million acre feet of water were used by Texans in the care and maintenance and residential landscapes. Texas is expected to soon become the second most popular state... | 2026-01-24T07:34:55.687790 |
163,169 | 3.582091 | http://www.colby.edu/personal/r/rmscheck/GermanyB4.html | The Social Democrats:
The anti-socialist laws had strengthened but also radicalized and ostracized the socialist workers' movement. The fall of the anti-socialist laws in 1890 allowed the SPD to build up a centrally organized mass party. Membership grew impressively: 100,000 in 1890; 1.1 million in 1914. Votes rose as ... | 2026-01-20T18:18:20.132419 |
428,800 | 4.370888 | http://www.teachervision.fen.com/musical-notation/lesson-plan/4862.html | Jazz and Math: Improvisation Permutations
Grade Levels: 9 - 12
After an introduction to improvisation through a drama game, a discussion, and a video clip, students explore how many different rhythmic combinations can be improvised in a jazz/blues piece of music. They use trial and error techniques, derive a mathematic... | 2026-01-24T20:31:05.375460 |
537,035 | 3.540358 | http://phys.org/news/2011-04-complex-protein-networks-cells-insights.html | (PhysOrg.com) -- Scientists have developed a way of studying cells by comparing how proteins inside them bind with one another.
The team, from Imperial College London, have developed an algorithm called MI-GRAAL that enables them to study protein-protein interaction (PPI) networks, where a cells proteins bind together ... | 2026-01-26T16:50:38.827904 |
302,402 | 4.121898 | http://ecmweb.com/nec/grounding-bonding-definitions | 250.2 Definitions Find more on Grounding and Bonding
Why is grounding so difficult to understand? One reason is because many do not understand the definition of many important terms. So let’s review a few important definitions contained in Articles 100 and 250.
Bonding . The permanent joining of metal parts together to... | 2026-01-22T20:18:14.281521 |
719,690 | 3.59639 | http://www.theregister.co.uk/2013/10/24/boffins_hide_supercapacitors_on_silicon_chips/ | Boffins hide supercapacitors on silicon chips
We don't need no STEEENKING BATTERIES
Scientists at Vanderbilt University have created a silicon-based supercapacitor they say could scale all the way from grid-level storage down to consumer electronics.
The reason they're trumpeting it as a breakthrough is that silicon, w... | 2026-01-29T08:25:27.409408 |
950,023 | 3.691441 | http://edition.tefl.net/ideas/grammar/present-simple-continuous/ | 15 fun activities for Present Simple/Present Continuous
The best way of teaching the present tenses is to compare and contrast them. These ideas will show you how to do the even more difficult task of combining them in practice activities, all of them done in simple and entertaining ways.
There are many well-known and ... | 2026-02-02T00:41:42.693386 |
194,139 | 3.535885 | http://www.timesrepublican.com/page/content.detail/id/556562/A-woodpecker-as-big-as-a-crow.html?nav=5127 | PILEATED WOODPECKERS (Dryocopus pileatus) are big birds that do draw attention to themselves. They are not particularly common for us in central Iowa, but they do call our mature forest areas home. Almost the same size as a crow, this woodpecker makes a lot of noise whether it is its load calls or its hammer loud chise... | 2026-01-21T05:51:52.152141 |
1,143,174 | 3.652355 | http://www.thinknovation.com/section-blog/38-global-warming/48-whats-wrong-with-the-weather.html | The average temperature of Earth's atmosphere reached the highest level ever recorded in the first two-thirds of 1998, jumping off the charts. Six of the first eight months of the year were the warmest since records began in 1866. The warning signs are clear.
Even before 1998, the 14 hottest years on record occurred si... | 2026-02-04T23:03:26.150169 |
1,017,750 | 3.56857 | http://www.livinganthropologically.com/anthropology/many-origins-of-agriculture/ | Many Origins of Agriculture – Anthropology 2.4
Just as there is no single way to gather and hunt, there are many different ways to cultivate plants and interact with non-human animals. Major forms of agriculture arose independently in at least seven different areas of the world. Each depended on a different mix of plan... | 2026-02-02T23:24:22.280252 |
634,658 | 3.785539 | http://www.thefullwiki.org/History_of_Sicily | The history of Sicily has seen it usually controlled by greater powers—Roman, Vandal, Byzantine, Islamic, Hohenstaufen, Catalan, Spanish—but also experiencing periods of independence, as under the Greeks and later as the Emirate then Kingdom of Sicily. Although today part of the Republic of Italy, it has its own distin... | 2026-01-28T01:58:13.221822 |
743,474 | 3.952898 | http://www.mnn.com/earth-matters/space/stories/far-side-of-the-moon-explained | Far side of the moon explained
The moon always keeps the same side turned toward Earth, and now scientists have a way to describe the far side.
Thu, Nov 11 2010 at 3:26 PM
NOW YOU SEE IT: This graphic (not to scale) shows that the moon's crust is thickest on the central far side and becomes thinner towards the north po... | 2026-01-29T17:38:25.535254 |
20,529 | 3.665148 | https://tedi31.com/2010/08/16/theory-of-psychological-types/ | Jung’s Theory of Psychological Types
Berens (1999) describes Jung’s theory of Psychological Types as a departure from the works of Sigmund Freud and Alfred Adler as Freud’s focus on his patients “seemed to be on the external world of adjustment to the outside world,” while Adler’s practice “seemed to be more focused on... | 2026-01-18T15:21:09.121719 |
231,081 | 3.546728 | http://www.bio.davidson.edu/courses/genomics/2005/Cowell/MFYG1.html | If dogs hadn't gotten it first, Saccharomyces cervisiae would probably have been bequeathed the title of "Man's Best Friend." Although they don't fetch or bark or radiate a sense of everlasting companionship, the unicellular fungi can be counted on to metabolize sugar by fermentation. Scientists discovered that this pr... | 2026-01-21T18:41:36.613926 |
481,624 | 3.675947 | http://mathequalslove.blogspot.com/2012_05_01_archive.html | Tuesday, May 1, 2012
After my 8th graders finished their state testing, my cooperating teacher and I decided to plan a mini-unit on probability. Probability is an 8th grade math standard in Oklahoma, but it is not tested by the state.
To be clear, I did not make up this game. I discovered this probability game a few we... | 2026-01-25T17:45:18.601833 |
43,654 | 3.660064 | http://www.trust.org/item/?map=do-earthworms-contribute-to-climate-change/ | By Neil Palmer
We often hear about livestock being a major cause of greenhouse gas emissions. Picture them: Formidable herds of flatulent quadrupeds munching their way – figuratively speaking – through millions of hectares of rainforest.
But it seems we need to look below the surface, literally, to find another climate... | 2026-01-19T00:11:23.130583 |
235,525 | 3.658766 | http://www.lavidalocavore.org/showDiary.do?diaryId=2789 | |Famine in Pre-British India
An 1878 study published in the Journal of the Statistical Society found that there were 31 serious famines in 120 years of British rule compared to 17 famines in 2000 years of Indian rule. And that doesn't even count two more major famines, in 1888 and in the late 1890s. How can this be?
Pr... | 2026-01-21T20:12:21.076602 |
978,006 | 3.922406 | http://www.reference.com/browse/re-absorb | In aerodynamics, hypersonic speeds are speeds that are highly supersonic. Since the 1970s, the term has generally been assumed to refer to speeds of Mach 5 (5 times the speed of sound) and above. The hypersonic regime is a subset of the supersonic regime.
Supersonic airflow is decidedly different from subsonic flow. Ne... | 2026-02-02T09:50:03.563548 |
945,631 | 3.58617 | http://scienceblogs.com/tetrapodzoology/2009/10/19/sex-among-toads/ | After a brief hiatus we return to the remarkable world of toads, and this time round we look at reproductive biology. As a western European person, the toad species I’m most familiar with (the Common toad Bufo bufo and Natterjack Epidalea calamita [see later articles for details on the name changes]) are seasonal breed... | 2026-02-01T23:17:33.549759 |
449,933 | 3.69905 | http://www.saintmarksschool.org/academics/media-literacy/index.aspx | Saint Mark's Media Literacy program teaches students to become both critical consumers and inventive creators of mass media. This exciting, innovative program - honored by the National Association of Independent Schools Leading Edge Award in 2005 - raises students' awareness of how mass media influences individuals and... | 2026-01-25T04:49:57.651418 |
813,862 | 3.760162 | http://history1800s.about.com/od/innovators/p/darwinbio.htm | Charles Darwin's Great Achievement:
As the foremost proponent of the theory of evoution, the British naturalist Charles Darwin holds a unique place in history. While he lived a relatively quiet and studious life, his writings were controversial in their day, and can still inspire controversy in the modern world.
Early ... | 2026-01-30T21:21:18.653397 |
1,124,377 | 4.334073 | http://ebookily.org/pdf/articles-definite-and-indefinite-worksheets | Articles Definite And Indefinite Worksheets PDF
GRAMMAR / Definite and Indefinite Articles INSTRUCTIONS FOR THE TEACHER This exercise is a supplement to the exercises of In Charge 1, Unit 9, pages 109 through 112. 1. Distribute the Student Worksheet to your students. Ask them if they have seen the
Write the correct for... | 2026-02-04T15:28:02.871802 |
1,042,815 | 3.866618 | http://psychology.wikia.com/wiki/Biomedical_intervention_for_autism | Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Autism therapies attempt to lessen the deficits and family distress associated with autism and other autism spectrum disorders (ASD), and to increase the quality of life and functional independe... | 2026-02-03T08:28:31.291633 |
474,218 | 3.634469 | http://www.squamishhistory.ca/history-squamish | History of Squamish
Thank you for visiting the History Section of SHS website The Shining Valley of Squamish This is a shortened edition of the full 26,000 word history in Squamish The Shining Valley, written by the same author, and published by Elaho Press. Kevin McLane Copyright 2006, 2007, 2008, 2009, 2010, 2011, 20... | 2026-01-25T14:38:45.359848 |
125,825 | 3.596903 | http://www.criticalthinking.org/resources/articles/an-interview-l-elder-ct-concepts-tools.shtml | Michael F. Shaughnessy
Eastern New Mexico University
Portales, New Mexico
1) You have recently co-authored a miniature guide with Richard Paul on “How to Study and Learn.” Briefly explain the purpose of this guide.
The Miniature Guide for Students on How to Study and Learn is designed to help students become “master st... | 2026-01-20T04:36:37.206929 |
164,052 | 4.257794 | http://en.wikipedia.org/wiki/Prime_meridian | A prime meridian is a meridian, i.e. a line of longitude, at which longitude is defined to be 0°. A prime meridian and its opposite in a 360°-system, the 180th meridian (at 180° longitude), form a great circle.
This great circle divides the sphere, e.g. the Earth, into two hemispheres. If one uses directions of East an... | 2026-01-20T18:35:59.350291 |
1,137,168 | 3.854662 | http://www.newworldencyclopedia.org/entry/Sperm | |A sperm cell attempts to penetrate an ovum coat to fertilize it.|
|Human spermatozoön. Diagrammatic. A. Surface view. B. Profile view. In C the head, neck, and connecting piece are more highly magnified.|
|Gray's||subject #258 1243|
A spermatozoon or spermatozoan (pl. spermatozoa), from the ancient Greek σπερμα (seed)... | 2026-02-04T20:37:58.499695 |
160,500 | 4.075963 | http://en.wikipedia.org/wiki/Kingdom_of_Abkhazia | Kingdom of Abkhazia
|Part of a series on the|
|History of Georgia|
|Early Middle Ages|
|19th century onwards|
|Georgia (country) portal|
|Part of a series on the|
|History of Abkhazia|
|8th to 19th century AD|
|19th century to 1921|
The Kingdom of Abkhazia (Georgian: აფხაზეთის სამეფო; Aphkhazetis Samepo), also known as... | 2026-01-20T17:19:25.515897 |
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