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Researchers at the European Molecular Biology Laboratory (EMBL) and the University of Rome "La Sapienza" have found a way to restore some of the "regenerative" ability of tissues, which happens naturally in animals at the embryonic stage of development, but is lost shortly after birth. The scientists work, published th... | <urn:uuid:b68305b0-1de3-46d3-81ac-067adbb0fce9> | 3.40625 | 899 | Content Listing | Science & Tech. | 39.77119 | 95,638,243 |
AD Geothermal energy. By : Alegría Rosales and Dorothy Puga. Geothermal energy. E nergy that comes from the beneath the Earth’s surface down where the temperatures are extremely high. It is the heat from the Earth that can be hot water or hot rock.
By: Alegría Rosales and Dorothy Puga
Only suitable in places that have ... | <urn:uuid:d51a3500-9f22-4328-ae73-39dd938464fb> | 2.5625 | 115 | Knowledge Article | Science & Tech. | 53.340238 | 95,638,263 |
Moment magnitude scale
|Part of a series on|
The scale was developed in the 1970s to succeed the 1930s-era Richter magnitude scale (ML). Even though the formulas are different, the new scale retains a continuum of magnitude values similar to that defined by the older one. Under suitable assumptions, as with the Richter... | <urn:uuid:2e133996-8497-4d0a-a47d-0277a7798c23> | 4.21875 | 4,157 | Knowledge Article | Science & Tech. | 51.078874 | 95,638,269 |
What is byssal thread?
byssal thread meaning one of many thin, hairlike filaments secreted by certain mollusks for attachment to a substrate
The byssal gland is located within the foot of the mussel. It produces secretions which are used to form byssal threads for attachment to substrates. (Photo: Great Lakes Sea Grant... | <urn:uuid:18e5a609-a416-4138-8c99-40b448c3654d> | 2.734375 | 101 | Knowledge Article | Science & Tech. | 24.581275 | 95,638,293 |
|You might also like:||What is Pi? EnchantedLearning.com||Calculating Pi||Daylight Saving Time||Daylight Saving Time Alphabet Code||Daylight Saving Time: Spelling Word Questions||Today's featured page: What Animal Am I? #1 Worksheet Printout|
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Math Lessons... | <urn:uuid:a149d5d3-0975-4dd9-a72f-5ad810d3438e> | 3.59375 | 976 | Tutorial | Science & Tech. | 58.847191 | 95,638,294 |
Restrictions on night flights could ease the aviation industry's fast-growing contribution to global warming, say UK scientists.
Dr Nicola Stuber and fellow meteorologists at the University of Reading report
their findings in today's issue of the journal Nature.
certain altitudes, aircraft produce contrails - condensat... | <urn:uuid:47c24078-261b-417f-b59e-68e1b505584b> | 3.6875 | 623 | News Article | Science & Tech. | 45.998122 | 95,638,317 |
is a right angled triangle.
It is measured that
Now, calculate value of the cosine at angle by considering the length of the adjacent side and length of the hypotenuse.
The value of cosine at the angle is for the triangle .
is another right angled triangle and it is measured that,
Repeat same procedure to calculate the... | <urn:uuid:2633c57b-ce9a-4ee7-8135-50fb44c2884e> | 3.703125 | 122 | Content Listing | Science & Tech. | 47.353127 | 95,638,323 |
The atom consists of a nucleus, where most of the mass of the atom is concentrated, with electrons in orbits around the nucleus. The electrons are negatively charged. In a material that is an electrical conductor, such as copper, aluminum, and a number of other metals, it is possible for certain of the electrons to mov... | <urn:uuid:3d7d251a-ac0f-4017-8fea-93efb21e9387> | 3.765625 | 126 | Truncated | Science & Tech. | 32.275899 | 95,638,327 |
Members of Working Group 4 attempted to account for human needs and impacts in the understanding of the role of forests in the global carbon (C) cycle. A major factor in the postindustrial era is the rapidly expanding human population, and the attendant acceleration of landuse change which directly influences C storage... | <urn:uuid:da5e5792-f4c6-4d26-a8be-0608ace8699d> | 3.171875 | 215 | Truncated | Science & Tech. | 7.276739 | 95,638,328 |
This chapter outlines the Basic programming concepts in MATLAB such as loop generation and program flux control. Programming style and debugging techniques are also presented.
KeywordsEvent Table Output Argument Input Argument Catch Statement Programming Style
These keywords were added by machine and not by the authors... | <urn:uuid:64e78717-7110-4554-bee5-92f99b46ca6b> | 2.609375 | 303 | Truncated | Software Dev. | 28.518061 | 95,638,329 |
Floods, Food Chains, and Ecosystem Processes in Rivers
Disturbance regimens link species and ecosystems. For example, floods that scour channels in river drainage networks can also alter trophic networks that link river biota. The impacts of flood disturbance regimens on trophic structure vary among communities, depend... | <urn:uuid:3649ef13-ec41-49cf-9431-65f65c85a162> | 3.296875 | 332 | Truncated | Science & Tech. | 6.879889 | 95,638,330 |
In offshore waters with relatively low primary production, drifting seaweeds composed of Sargassum species form an identical ecosystem such as an oasis in desert. Commercially important pelagic fishes such as jack mackerel (Trachurus japonicus) and yellow tail (Seriola quinqueradiata) spawn in East China Sea pass their... | <urn:uuid:9a140bed-565d-4482-a369-44559cec0277> | 3.5625 | 420 | Academic Writing | Science & Tech. | 39.293763 | 95,638,334 |
A nitrogenous base, or nitrogen-containing base, is an organic molecule with a nitrogen atom that has the chemical properties of a base. The main biological function of a nitrogenous base is to bond nucleic acids together. A nitrogenous base owes its basic properties to the lone pair of electrons of a nitrogen atom.
Ni... | <urn:uuid:e0ac02c8-b62a-4dd0-a62f-a0e61714416b> | 3.890625 | 497 | Knowledge Article | Science & Tech. | 41.077725 | 95,638,343 |
When a copy constructor may be called?
(A) When an object of the class is returned by value.
(B) When an object of the class is passed (to a function) by value as an argument.
(C) When an object is constructed based on another object of the same class
(D) When compiler generates a temporary object.
(E) All of the above... | <urn:uuid:530624e8-5e9d-4be9-b7e8-3f257251e3f6> | 2.796875 | 203 | Q&A Forum | Software Dev. | 69.603034 | 95,638,347 |
A progressive increase in the brightness of the planet Neptune suggests that, like Earth, the distant planet has seasons.
A time series of images of the planet Neptune taken by the Hubble Space Telescope illustrate increasing cloudiness that is a hallmark of seasonal change. The growing bands of clouds in the southern ... | <urn:uuid:e0987f45-3ce6-412b-90ca-194107caa555> | 3.46875 | 919 | Content Listing | Science & Tech. | 38.026937 | 95,638,348 |
Altogether, the six tables of Chapters 2–7 list a grand total of 465 enzymes, each of which during its catalytic cycle forms a covalent bond with its substrate or some fragment of it. These long lists of enzymes point the contrast between the abundance of positive evidence for covalent catalysis and the total dearth of... | <urn:uuid:0c464669-08a1-4608-a274-803f4e42ff36> | 2.859375 | 244 | Truncated | Science & Tech. | 32.236696 | 95,638,357 |
Energy Band Theory
In this chapter the one-electron energy band theories for the crystalline solids are presented. The importance of energy band theories for a crystalline solid is due to the fact that many important physical and optical properties of a solid can be readily explained by using its energy band structure.... | <urn:uuid:5e96c607-8582-4093-87f8-6bfe29711198> | 2.546875 | 609 | Truncated | Science & Tech. | 54.073866 | 95,638,358 |
By Rick Moriarty | firstname.lastname@example.org
By now, you're probably aware of the impending 2017 solar eclipse. On Aug. 21, the moon will block the sun's light along a 70-mile-wide path from the West Coast to the East Coast of the United States.
Those inside the path will see a total eclipse, in which the day will... | <urn:uuid:3d37de3e-e2bb-46be-b561-d0998473a65d> | 3.671875 | 555 | Listicle | Science & Tech. | 75.121224 | 95,638,386 |
Mystery of 'proton spin' solved? Particle collider reveals that quarks AND gluons may hold answer to great subatomic puzzle
- Researchers using a collider in New York say they have solved 'spin' mystery
- Since an experiment in 1987 the origins of proton spin have been unknown
- It had once been thought to be cause exc... | <urn:uuid:a6066e6e-439a-4eb1-9701-a2bc7db33bcc> | 3.171875 | 1,608 | Truncated | Science & Tech. | 46.764584 | 95,638,403 |
The evidence for this potentially record-breaking speed comes, in part, from the features highlighted in this composite image. X-ray observations from Chandra (green) and XMM-Newton (purple) have been combined with infrared data from the 2MASS project and optical data from the Digitized Sky Survey (colored red, green a... | <urn:uuid:fea1ffd4-1552-42b3-8119-83b2c6d1ab4c> | 3.671875 | 1,917 | Content Listing | Science & Tech. | 48.910263 | 95,638,407 |
The ends of the chromosomes, the telomeres, are repetitive DNA sequences that shorten every time a cell divides during the process of duplicating its genome. Once the telomeres become very short the cell stops dividing. Thus, telomeres work like a cellular clock that keeps an eye on the number of cell divisions.
And on... | <urn:uuid:01028a8e-727f-4785-84c7-fbcbc49ccff2> | 3.3125 | 1,346 | Content Listing | Science & Tech. | 40.008305 | 95,638,438 |
UConn study finds that catch-and-release practices in recreational fishing may not be as benign as intended.
The most aggressive largemouth bass in the lake are also the ones most prized by anglers. These are the fish that literally 'take the bait' and put the fun into both competitive and casual sport fishing.
Then, a... | <urn:uuid:d1aa5761-b539-47cd-917f-6d3715ae9a05> | 3.359375 | 1,514 | Content Listing | Science & Tech. | 37.712879 | 95,638,439 |
Small forces make a big difference in beach erosion, according to new article in Physics of Fluids, which may lead to better solutions for sustainable beaches
People standing on a beach often feel the water tugging the sand away from under their feet. This is the undertow, the current that pulls water back into the oce... | <urn:uuid:6432200a-6564-4fd3-bebb-a7e0d33fffd7> | 3.9375 | 1,544 | Content Listing | Science & Tech. | 45.492892 | 95,638,454 |
Paper Published Based on RNA Game
News Feb 18, 2016
A scientific paper written by video-gamers has been accepted for publication in a peer-reviewed journal, perhaps the first time since the days of Benjamin Franklin that work led by non-credentialed “citizen scientists” will appear in such a format.
The paper describes... | <urn:uuid:1746e348-c3ef-42e9-849c-1ef3d95148d0> | 2.984375 | 1,298 | News Article | Science & Tech. | 22.422434 | 95,638,457 |
Functions (Section 1.4, Chapter 3) are convenient tools to abstract behaviour and computation. E.g. once the function sqrt (double) has been properly defined, one does not need to remember how it computes its result in order to use it. Moreover, if one prefers an alternative algorithm for the computation of sqrt (doubl... | <urn:uuid:b2adfbe0-6760-469a-87c0-8826bd2d77dd> | 3.078125 | 166 | Truncated | Software Dev. | 49.897466 | 95,638,465 |
Observations of Shock and Undular Bore Formation in Internal at a Shelf Break
Large amplitude internal waves at semi-diurnal tidal frequency (internal tides) are observed to be generated over the slope region of the Australian North West Shelf and propagate shoreward over shoaling bathymetry. In deep water the waves ar... | <urn:uuid:13522655-6dfa-4ec2-863a-16c9fd988148> | 2.796875 | 332 | Academic Writing | Science & Tech. | 40.803994 | 95,638,466 |
A Basic Mathematics Approach to Concepts of Chemistry
This book should be of interest to chemistry students.
- Paperback | 320 pages
- 213.36 x 281.94 x 12.7mm | 793.78g
- 08 Feb 1990
- Cengage Learning, Inc
- CA, United States
- 4th Revised edition
Table of contents
Whole numbers. Signed numbers. Powers of ten. Logari... | <urn:uuid:9b7a021e-f5f3-4d3a-9bb9-271469652e74> | 3.6875 | 167 | Product Page | Science & Tech. | 48.502946 | 95,638,481 |
Geothermal and Seismic Activity
At least four volcanoes have had seismic activity since 1985, including Mount Garibaldi (three events), Mount Cayley (four events), Mount Meager (seventeen events) and the Silverthrone Caldera (two events). Seismic data suggest that these volcanoes still contain active magma chambers, in... | <urn:uuid:3a07c9cd-a834-4724-8a0b-bf77e83ac115> | 3.703125 | 388 | Knowledge Article | Science & Tech. | 30.735888 | 95,638,526 |
In physics, a quantum mirage is a peculiar result in quantum chaos. Every system of quantum dynamical billiards will exhibit an effect called scarring, where the quantum probability density shows traces of the paths a classical billiard ball would take. For an elliptical arena, the scarring is particularly pronounced a... | <urn:uuid:d8e8fa3b-b49f-4716-9932-d6877e033ccd> | 2.6875 | 717 | Knowledge Article | Science & Tech. | 48.24454 | 95,638,537 |
Mechanisms of cross-shore distribution pattern of the intertidal mud crabMacrophthalmus japonicus
- 73 Downloads
In the intertidal mud crabMacrophthalmus japonicus, most large crabs occurred in the upper sandy areas. Mechanisms of the size-dependent distribution were interpreted experimentally. In the lower muddy area,... | <urn:uuid:88414184-17f7-4c57-bd97-b80c32cea942> | 2.84375 | 644 | Academic Writing | Science & Tech. | 46.415673 | 95,638,539 |
whats the square root of 72
Jul 27, 2015
Scientific Notation Beginner Help (aka the Scientific Notation Batle against Challenger Base VIII)
Why does -2000 * 10^-6= -2.0-*10^-3
If i sell 64 of something and for each something i get 75$ from how much money would i get?
How to simplify equation with exponent?
Write the ex... | <urn:uuid:de9dbe24-daa3-4615-8590-fac4b1e7e8d4> | 3.109375 | 259 | Q&A Forum | Science & Tech. | 77.537214 | 95,638,543 |
New camera will help scientists further understand neutrinos
Down at the South Pole, where temperatures drop below negative 100 degrees Fahrenheit and darkness blankets the land for six months at a time, the South Pole Telescope (SPT) searches the skies for answers to the mysteries of our universe.
Photo: Bradford Bens... | <urn:uuid:14f23246-6a31-4815-8809-a82c2327f2c7> | 3.6875 | 1,535 | Content Listing | Science & Tech. | 37.474732 | 95,638,545 |
1.1 – The Nature of Environmental Threats
Most of our economic and social activities are supported by services provided by the natural environment. We extract from it natural resources, such as fresh water, minerals and energy and discharge waste residuals into it. The natural environment is important to our well being... | <urn:uuid:af465a96-4a26-4f0a-a672-0c414ed15e34> | 3.65625 | 1,194 | Academic Writing | Science & Tech. | 12.168799 | 95,638,551 |
|M4 in Scorpius. Click for larger view.|
Messier 4 is a very rich globular cluster, and was the first globular cluster in which individual stars were resolved. It also happens to one of the closest globular clusters to Earth, at a mere 7,200 light years. Because it's so close, it appears fairly large on the sky: depend... | <urn:uuid:71013eef-5360-4ea0-bc6e-bad0ddb1dea5> | 3.40625 | 256 | Personal Blog | Science & Tech. | 61.363442 | 95,638,575 |
Accepted name: Falco vespertinus
Common name: Red-footed Falcon
Georgian name: წითელფეხა შავარდენი
Taxonomic rank: Species
Taxonomy according to: http://www.birdlife.org/datazone/info/taxonomy
Registration reference not available, personal observation by author.
Remark: BB, M
Species seasonal life history at a given si... | <urn:uuid:2c0508c5-c3d5-41b4-89a1-e62481d74f54> | 2.671875 | 446 | Structured Data | Science & Tech. | 44.079097 | 95,638,592 |
Tin: the essentials
Tin atoms have 50 electrons and the shell structure is 126.96.36.199.4. The ground state electronic configuration of neutral tin is [Kr].4d10.5s2.5p2 and the term symbol of tin is 3P0.
Ordinary tin is a silvery-white metal, is malleable, somewhat ductile, and has a highly crystalline structure. Due ... | <urn:uuid:f16aae7f-4baf-4b1b-a4f7-4be49ea91d05> | 3.828125 | 1,035 | Knowledge Article | Science & Tech. | 65.04187 | 95,638,606 |
I am moving on to writing more applets. These are simple programs to get my bearings. The most important methods in JApplet are init() and paint(). You add items or objects to the screen in the init() function. And you draw things such as labels and buttons in the paint() function.
If you handle some GUI events like bu... | <urn:uuid:ad953b9c-3f18-4435-955a-3066af64f6f9> | 2.75 | 320 | Personal Blog | Software Dev. | 64.822028 | 95,638,623 |
Concept: Materials science
- Proceedings of the National Academy of Sciences of the United States of America
- Published 3 months ago
Poly(ethylene terephthalate) (PET) is one of the most abundantly produced synthetic polymers and is accumulating in the environment at a staggering rate as discarded packaging and textil... | <urn:uuid:2af2eb23-f31f-4f2b-b108-67d19ab3797a> | 2.640625 | 2,653 | Content Listing | Science & Tech. | 18.005634 | 95,638,627 |
Laser-cooled positron source
- 56 Downloads
We examine, theoretically, the feasibility of producing a sample of cold (⩽4 K), high-density (≈1010/cm3) positrons in a Penning trap. We assume9Be+ ions are first loaded into the trap and laser-cooled to approximately 10 mK where they form a uniform density column centered o... | <urn:uuid:01e39033-3caa-424b-b1fd-1b61143f775f> | 2.53125 | 871 | Academic Writing | Science & Tech. | 86.954069 | 95,638,643 |
A fundamental challenge to understanding patterns in ecological systems lies in employing methods that can analyse, test and draw inference from measured associations between variables across scales. Hierarchical linear models (HLM) use advanced estimation algorithms to measure regression relationships and variance-cov... | <urn:uuid:e480d408-4d05-4ce0-ba8b-7f3cf4ecde2f> | 2.78125 | 298 | Academic Writing | Science & Tech. | -13.296949 | 95,638,658 |
Nucleation is the first step in the formation of either a new thermodynamic phase or a new structure via self-assembly or self-organization. Nucleation is typically defined to be the process that determines how long an observer has to wait before the new phase or self-organized structure appears. For example, if a volu... | <urn:uuid:ff6ec8bf-4fa3-4b49-bc1f-fea22079b7d7> | 3.953125 | 3,764 | Knowledge Article | Science & Tech. | 49.277041 | 95,638,669 |
Electron Configurations Animation
With the assistance of an undergraduate student, Mr. Tim Perk, the electron configuration animation has been converted from a Shockwave to a Flash version. The new link to the animaton is
Dr. Michael Abraham (The University of Oklahoma) and I are working on an activity that will use th... | <urn:uuid:121bbee9-c6da-4251-98f5-d052782cd6d8> | 2.5625 | 458 | Tutorial | Science & Tech. | 24.611571 | 95,638,698 |
Ground StationsThe Space Flight Laboratory operates a Mission Control Center (MCC) that is connected to S-band and UHF ground stations located at UTIAS.
Propulsion for Micro and Small SatellitesPropulsion systems that leverage existing cold gas systems that have been previously developed by the University of Toronto In... | <urn:uuid:972d2412-73b7-478b-8db4-8795a74b210a> | 2.734375 | 420 | Content Listing | Science & Tech. | -10.311 | 95,638,717 |
This tutorial explains and gives examples on how to make a web page dynamic by using Ajax technology. It is not intended to be an Ajax reference, but rather contains practical code samples showing how to make web pages dynamic and pleasant to use. The examples shown here can be used as building blocks for your own web ... | <urn:uuid:cf09adb8-a387-4b89-b75a-34abae1638a4> | 2.734375 | 235 | Tutorial | Software Dev. | 29.960256 | 95,638,723 |
Study suggests honeybees have zero knowledge
In the new study, researchers from Australia and France trained bees to determine the value of zero
Honeybees have now mastered a concept that even a preschool-aged child can't—the value of zero. In other words, they can recognize that zero means nothing.
There's been quite ... | <urn:uuid:9be3da9d-6edd-4c2d-a45a-bba8fd9d4f8a> | 3.296875 | 840 | News Article | Science & Tech. | 50.971565 | 95,638,724 |
How the discovery of water and carbon monoxide vapour surrounding alien planet could hold the key to how Earth was formed
- The planet, known as HR 8799c, has seven times the mass of Jupiter
- Observations suggest the solar system was created in a similar way to Earth
- Discovery means there could be as-yet undetected ... | <urn:uuid:1ffd5fcd-ae91-4ecb-b882-c258e16ad7a5> | 3.046875 | 730 | Truncated | Science & Tech. | 27.648573 | 95,638,725 |
Directions and possibilities of mathematical geology
- 103 Downloads
This paper considers the present state of mathematical geology. Three directions are recognized: applied, theoretical, and mathematical. Applied mathematical geology includes formal use of mathematics to solve problems and computer processing of data.... | <urn:uuid:f37f2dd9-1f2f-49ad-97ef-f4c65b8c6329> | 3.359375 | 251 | Truncated | Science & Tech. | -16.186382 | 95,638,730 |
Now, a University of Florida researcher has concluded that crocodiles really do bawl while banqueting – but for physiological reasons rather than rascally reptilian remorse.
UF zoologist Kent Vliet observed and videotaped four captive caimans and three alligators, both close relatives of the crocodile, while eating on ... | <urn:uuid:a319e313-b073-494e-a77e-3556232d4842> | 2.765625 | 1,517 | Content Listing | Science & Tech. | 43.066415 | 95,638,733 |
A leading astrophysicist from Queen's University Belfast has warned that an asteroid strike is just a matter of time.
Professor Alan Fitzsimmons from the University's Astrophysics Research Centre has said it is a case of when an asteroid collision will happen, rather than if it will happen.
This is an Asteroid impact n... | <urn:uuid:80b6039e-ddc3-41b1-a009-b909dacb0974> | 2.828125 | 1,060 | Content Listing | Science & Tech. | 40.897284 | 95,638,734 |
Extended Discrete Green's Theorem
Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram CDF Player or other Wolfram Language products.
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This discrete Green's theorem (A Discret... | <urn:uuid:c42ed350-110f-49c8-9976-b6f7030bf927> | 2.53125 | 853 | Documentation | Science & Tech. | 43.742051 | 95,638,739 |
Scientists are exploring an irregularity in Earth’s cautious magnetic field that has been named the ‘South Atlantic Anomaly’.
College of Rochester analysts have accumulated new information from locales in southern Africa to broaden their record of Earth’s magnetic field back a large number of years to the principal tho... | <urn:uuid:952d189f-212a-47f1-86d0-3be9ab4e0ef3> | 3.140625 | 789 | News Article | Science & Tech. | 27.039459 | 95,638,747 |
Is the story of Exploding Dots truly relevant to both primary AND secondary students? You said it starts at the very beginning of mathematics.
Have you ever seen an abacus? It just a set of rods with beads on it. On a basic abacus each rod has ten beads which you slide to the top. But the idea is that when you do slide... | <urn:uuid:f6ccbe92-2efb-40dc-978c-de037148e988> | 3.546875 | 1,721 | FAQ | Science & Tech. | 58.651868 | 95,638,750 |
Virtual Python Environment builder
You can install virtualenv with pip install virtualenv, or the latest development version with pip install virtualenv==dev.
You can also use easy_install, or if you have no Python package manager available at all, you can just grab the single file virtualenv.py and run it with python ... | <urn:uuid:dd965768-dfc6-48ff-9c57-691043499731> | 2.6875 | 7,069 | Documentation | Software Dev. | 51.97416 | 95,638,779 |
Wildlife face many threats with spreading urbanization, including habitat loss and inbreeding when populations become fragmented and isolated. It doesn't help that there is a billion-dollar international industry dedicated to the illegal trafficking of wild animals or wild animal parts.
The Conservation Genetics Lab at... | <urn:uuid:97467ed9-da96-49ac-a47a-8b90ef11df4a> | 4.15625 | 2,000 | Content Listing | Science & Tech. | 35.132642 | 95,638,784 |
+44 1803 865913
Series: The Butterflies of Costa Rica and their Natural History Volume: 2
By: Philip J DeVries
288 pages, Col plates, bw plates, illus, figs, tabs
The first detailed treatment of over 250 species, the book provides a thorough natural history for each. The guide illustrates nearly all of the Costa Rican ... | <urn:uuid:3501a876-24ba-41ba-b253-a238f9f0904a> | 2.84375 | 216 | Product Page | Science & Tech. | 40.059028 | 95,638,820 |
Greater Resolution for Cryo-Electron Microscopy
News Mar 24, 2017 | Original Story from Lawrence Berkeley National Laboratory
Credit: C. Hryc and the Chiu Lab, Baylor College of Medicine
Cryo-electron microscopy (cryo-EM), which enables the visualization of viruses, proteins, and other biological structures at the mole... | <urn:uuid:d0daf43e-6e44-4ade-9676-adb8b8ed8808> | 2.78125 | 880 | News Article | Science & Tech. | 33.234263 | 95,638,824 |
Chief Meteorologist Eric Elwell explains about what we can expect to see during the eclipse.
Whether or not you’re inside the path of totality will determine what you see in the sky. If you’re outside the path, you’ll likely see a partial (not total) eclipse.
To determine the most accurate eclipse path, according to Wr... | <urn:uuid:07fe4547-555f-4e2d-adad-ee58549020ae> | 2.9375 | 187 | News Article | Science & Tech. | 47.792 | 95,638,825 |
Earth's internal heat budget
Earth's internal heat budget is fundamental to the thermal history of the Earth. The flow of heat from Earth's interior to the surface is estimated at 47 terawatts (TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of isotope... | <urn:uuid:28df1263-129a-4dd9-9e44-2be64898d4b8> | 4.21875 | 2,498 | Knowledge Article | Science & Tech. | 62.568049 | 95,638,851 |
Aristotle, writing in 350 BCE in his History of Animals, pondered the origin of life. He favored spontaneous generation, where “some come from putrefying earth or vegetable matter, as is the case with a number of insects, while others are spontaneously generated in the inside of animals out of the secretions of their s... | <urn:uuid:a5ff6274-60e9-4719-9ff1-aabd9d77faed> | 3.84375 | 597 | Nonfiction Writing | Science & Tech. | 34.394416 | 95,638,887 |
These simulations are examples of how global land-use changed from 1700 to 1990. The human-disturbed landscape includes intensive cropland (red), and marginal cropland used for grazing (pink). Other landscape includes, for example, tropical evergreen and deciduous forest (dark green), savanna (light green), grassland a... | <urn:uuid:dcbba8b1-eb56-491f-b953-8da66c170063> | 3.90625 | 1,030 | Content Listing | Science & Tech. | 32.505 | 95,638,906 |
Understanding Oxygen as an Exoplanet BiosignatureJune 18, 2018 / Written by: Julie Fletcher
Potential false positive mechanisms for O2. This cartoon summarizes the atmospheric mechanisms by which O2 could form abiotically at high abundance in a planetary atmosphere (Meadows, 2017).
Researchers are studying how environm... | <urn:uuid:10df3101-dd06-433f-baee-099e8e0cb170> | 2.828125 | 349 | News (Org.) | Science & Tech. | -12.564231 | 95,638,920 |
This is an image of Newton’s Cannon. Given a high enough elevation, shooting a canon-ball at increasing velocity will cause it to travel further and further until it just goes into orbit, falling around the earth. That is what’s happening inside the ISS. It’s called free-fall - the same as Newton’s canon-ball. The ISS ... | <urn:uuid:65ff41f2-7289-4e64-b80d-c99e9e275b8d> | 2.609375 | 208 | Content Listing | Science & Tech. | 69.539091 | 95,638,922 |
Python's filesystem abstraction layer
Python's Filesystem abstraction layer.
Think of PyFilesystem's
FS objects as the next logical step to
file objects. In the same way that file objects abstract a
single file, FS objects abstract an entire filesystem.
Let's look at a simple piece of code as an example. The following
... | <urn:uuid:bb072238-f2a5-498b-b582-ae3067df5490> | 3.171875 | 736 | Documentation | Software Dev. | 59.378551 | 95,638,964 |
Stick some cubes together to make a cuboid. Find two of the angles by as many different methods as you can devise.
A right-angled isosceles triangle is rotated about the centre point of a square. What can you say about the area of the part of the square covered by the triangle as it rotates?
A ladder 3m long rests agai... | <urn:uuid:c1452559-0b48-43f5-b9e2-7562275d81e6> | 3.953125 | 1,715 | Content Listing | Science & Tech. | 73.836804 | 95,638,974 |
Download file to see previous pages...
The author also uses research materials of other environmental scientists which complements his own study of the environmental problems.
The research made by UNEP is a deep study into environmental problems affected by adverse actions of the tourists and their activity. The articl... | <urn:uuid:3c69c11c-6205-4cbf-8d14-1acff12d4741> | 2.859375 | 779 | Truncated | Science & Tech. | 29.903182 | 95,638,975 |
This tutorial explains, Introduction to java bean and How to create first java Bean program step by step. The prerequisite required is understanding of core-java and servlet and jsp technologies. you can find step by step development of first servlet program and jsp program.
Java bean is a reusable software component. ... | <urn:uuid:a302b898-02e5-4bb2-b7d1-b012320274e9> | 3.4375 | 562 | Tutorial | Software Dev. | 38.390662 | 95,638,984 |
phaeophyta defined in 1951 yearphaeophyta - phaeophyta;
phaeophyta - Brown algae (seaweeds). Division of algae. Brown to olive-green in colour. Possess chlorophylls a and c, α-, β-carotene and xanthophylls, including brown pigment fucoxanthin which masks other pigments. Main food reserve is polysaccharide laminarin. Ce... | <urn:uuid:59dd5e31-b682-4072-bccf-9abcc51ac82a> | 3.25 | 353 | Knowledge Article | Science & Tech. | 33.37767 | 95,638,994 |
Jicamarca Radio Observatory
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Jicamarca Radio Observatory - Lima, Peru
Geophysics Institute of Peru|
National Science Foundation
|Wavelength||6 m (50 MHz)|
|Telescope style||Radio telescope|
|Colle... | <urn:uuid:787e13e4-c8b3-4e86-8852-aa6b0add2a82> | 2.796875 | 4,043 | Knowledge Article | Science & Tech. | 34.524503 | 95,639,007 |
It seems the Earth is trying to balance out global warming itself. There could be a natural balance level that the planet is attempting to reach. In Australia an unusual phenomenon has taken place.
We have had a lot of rain in coastal regions, while inland it remains dry. The arid regions have soaked up the excess wate... | <urn:uuid:582c5004-fd97-49f5-96bb-f79be43ad77c> | 3.09375 | 324 | Personal Blog | Science & Tech. | 57.528225 | 95,639,026 |
Part of the Graduate Texts in Physics book series (GTP)
The essential points of this first chapter are The definition of a complex system The notion of emergence The definition of a model The notion of dynamical system
KeywordsPhase Space Wood Chip Emergent Property Logistic Equation Emergent Behavior
These keywords we... | <urn:uuid:4ce02f62-37fd-4a2a-a746-c48db31fd79c> | 2.625 | 111 | Truncated | Science & Tech. | 33.062198 | 95,639,029 |
A new article by researchers from the University of Montana, the U.S. Geological Survey and Montana Fish, Wildlife & Parks asserts that climate warming is increasing the hybridization of trout – interbreeding between native and non-native species – in the interior western United States.
Clint Muhlfeld, a research assis... | <urn:uuid:1e287cf3-13ef-4f6f-9541-694dcd713257> | 3.25 | 1,739 | Content Listing | Science & Tech. | 24.241578 | 95,639,032 |
Working with accessibility in mind should be a default consideration for every website you build. Unfortunately, that is not always the case, especially for new developers. Many of us are not initially aware of the extremely helpful and important Web Content Accessibility Guidelines (WCAG) that define how to make web c... | <urn:uuid:74063dbd-4193-40d7-92e6-ca84eb16197f> | 2.515625 | 858 | Tutorial | Software Dev. | 51.777531 | 95,639,045 |
Oversized landforms discovered beneath the Antarctic ice sheet
Former ice sheets occupying Scandinavia and North America left numerous landforms on today's surface that witness of their hydrological system underneath them. However, most landforms have, so far, never been observed under contemporary ice sheets - not lea... | <urn:uuid:cecb71ef-131b-4d30-8625-5c15e3339ba9> | 4.375 | 726 | Knowledge Article | Science & Tech. | 23.699369 | 95,639,054 |
1031 of 2221« Return to Image BankGeneral Image Bank
"Adapting to Change"Image by Linda Feltner (visit gallery »)
Copyright © 2007 Pinellas County, FL. This image is not available for reuse and is protected by copyright.
TitleAdapting to Change Contact
»Linda Feltner DescriptionBrooker Creek Preserve Environmental Educ... | <urn:uuid:056d8c39-7cc0-4640-bc60-1bf9f55b7f95> | 2.671875 | 197 | Truncated | Science & Tech. | 2.457727 | 95,639,066 |
From Microservices Patterns by Chris Richardson
In this article, I describe the API gateway pattern. I discuss its benefits and drawbacks. I also describe various design issues that you must address when developing an API gateway.
As you may know, there are numerous drawbacks with services accessing services directly. ... | <urn:uuid:919321e8-2c02-440a-ace8-bbbcbc275826> | 2.859375 | 3,152 | Truncated | Software Dev. | 34.453168 | 95,639,068 |
Authors: George Rajna
EPFL physicists have found a way to reverse electron spins using electric fields for the first time, paving the way for programmable spintronics technologies. Manipulating light in a variety of ways—shrinking its wavelength and allowing it to travel freely in one direction while stopping it cold ... | <urn:uuid:fd526220-1023-4b89-876a-7ad336c2e6fe> | 3.234375 | 574 | Content Listing | Science & Tech. | 28.984098 | 95,639,099 |
| Bothroponera crassa|
The few collections of B. crassa indicate that it is neither common nor widespread in Africa. Ten males were collected from Kenya, Laikipia District, Mpala Research Centre at night (8:30 to 9:30 pm) where they were flying at lights. (Joma and Mackay 2017)
Joma and Mackay (2017) - A member of the ... | <urn:uuid:8c84e32b-1708-4bff-bbe7-4d4e63d0eaf3> | 2.703125 | 3,664 | Knowledge Article | Science & Tech. | 67.280881 | 95,639,102 |
Q1. à¿-D-Galactopyranose has [à¿]D = +150.7o, and à¿-D-galactopyranose has [à¿]D = +52.8o. When either of them is dissolved in water and allowed to reach equilibrium, the specific rotation of the solution will be +80.2o. What are the percentages of each anomer at equilibrium?© BrainMass Inc. brainmass.com July 22, 2018... | <urn:uuid:a6a27afe-1789-4f74-b05d-b8b744945d00> | 3.03125 | 187 | Q&A Forum | Science & Tech. | 83.578729 | 95,639,105 |
This ring system is the most distinctive of the entire solar system and consists mostly of dust, gas, rock and ice particles. Saturn is not the only planet in our solar system with rings: Jupiter, Uranus and Neptune also have ring systems – these are however much smaller and darker.
An international team of scientists ... | <urn:uuid:1bbbd26d-6d80-4c5c-bf71-6cc9a2672535> | 3.375 | 863 | Content Listing | Science & Tech. | 40.903889 | 95,639,146 |
+44 1803 865913
By: Tim R New(Editor)
435 pages, 41 colour & 19 b/w photos and illustrations, tables
The history of interest and practice in insect conservation is summarised and traced through contributions from many of the leaders in the discipline, to provide the first broad global account of how insects have become... | <urn:uuid:bbf27b33-a8db-49d7-92f2-d3149c6afad6> | 2.53125 | 199 | Product Page | Science & Tech. | 32.155839 | 95,639,148 |
Suborbital spacecraft are launched into space, but do not have enough speed to achieve orbit. They experience several minutes of microgravity ("free fall") and exposure to the environment of space before falling back to Earth.
Dr Duncan Law-Green and Mr David Boyce of the Department of Physics & Astronomy at the Univer... | <urn:uuid:563932f2-9a75-44ae-a452-4909ed2162f7> | 3.15625 | 1,008 | Content Listing | Science & Tech. | 38.661662 | 95,639,179 |
On the measurement of proper time in general relativity by means of atomic clocks
The quantity τ, which is called the proper time of a particle in the general theory of relativity, has the following meaning: it is the time measured by clocks moving with the particle. The question arises of how proper time is measured b... | <urn:uuid:b2f84bf4-4afc-43ec-bc65-84ca34c23294> | 3.453125 | 453 | Truncated | Science & Tech. | 73.022208 | 95,639,193 |
In July Matthias joined an international research campaign at a drying lake in Spain (Laguna de Gallocanta)
Microbiology of lakes and reservoirs
As a consequence of temporary or permanent stratification and external inputs of nutrients and organic matter, lakes develop redox gradients which are associated with a variet... | <urn:uuid:aace1e65-4722-4cdb-a31b-8090fee2b04d> | 2.734375 | 408 | Knowledge Article | Science & Tech. | 8.223112 | 95,639,212 |
Broadening the Global Security Debate: Regional and Global Dialogues on Environmental Issues
Evidence is mounting in many countries that traditional, economically-important activities are posing increasing threats to the environment. The stresses are being felt simultaneously at the regional, national and global level.... | <urn:uuid:dcc38235-88be-40bf-bdb4-9ba5bd88972d> | 2.984375 | 188 | Truncated | Science & Tech. | 2.688001 | 95,639,219 |
A joint University of Hawaii / Carnegie Institution study published in the advance online edition of Nature Geoscience links the pre-human stability to connections between carbon dioxide in the atmosphere and the breakdown of minerals in the Earth’s crust. While the process occurs far too slowly to have halted the hist... | <urn:uuid:a8007944-8b37-479c-ac9b-40147da2511b> | 4.3125 | 1,229 | Content Listing | Science & Tech. | 35.771129 | 95,639,233 |
UGA Researchers Work on Creating Stress- and Disease-resistant Trees
News Feb 21, 2015
Researchers at the University of Georgia think they've come up with a system to identify the genes in trees responsible for stress tolerance, which includes everything from extreme temperatures to disease. Now they're using a new $49... | <urn:uuid:f5b149f3-4730-4d95-b7c6-679cc3410dfc> | 2.640625 | 1,439 | News Article | Science & Tech. | 29.270383 | 95,639,239 |
|Emperor gum moth, Opodiphthera eucalypti|
Moths comprise a group of insects related to butterflies, belonging to the order Lepidoptera. Most lepidopterans are moths, and there are thought to be approximately 160,000 species of moth, many of which are yet to be described. Most species of moth are nocturnal, but there a... | <urn:uuid:5dd0efdb-4a2c-4e2b-b9c7-2f549f844715> | 3.796875 | 3,022 | Knowledge Article | Science & Tech. | 42.624 | 95,639,247 |
Outstanding places with cryptozoological phenomena around the world
This is unique list of some 50 cryptids which are linked to certain place and observed repeatedly over a longer time period.
- Ennedi Tiger – Chad, Ennedi. People in Ennedi mountains have interesting stories about very strong, elusive tigerlike cat, si... | <urn:uuid:a6a6032f-fdd7-4ac2-b486-6307a7ba236a> | 2.546875 | 4,376 | Listicle | Science & Tech. | 42.997909 | 95,639,265 |
Environmental scientists have new tools for monitoring the health of northern forests — and they’re orbiting many miles above Earth.
Using sensor data collected by satellites, scientists have developed an index to track photosynthesis in evergreens, revealing subtle natural rhythms and seasonal cycles that signal how t... | <urn:uuid:e3fc26bc-d465-4133-82d1-da8c8b3c7c25> | 3.875 | 687 | News Article | Science & Tech. | 27.955938 | 95,639,274 |
Polymer plastic solar cells remain an industry priority because of their light weight, flexibility and cost-effectiveness. Now scientists from Stony Brook University and the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory (BNL) have demonstrated that these types of solar cells can be more efficient and... | <urn:uuid:4f7e25a6-57e1-4bdd-937f-0c78516b7b3d> | 2.953125 | 435 | News Article | Science & Tech. | 31.537017 | 95,639,279 |
Temporal sequences of images called Satellite Image Time Series (SITS). a multitemporal classification approach for Very High Resolution (VHR) SITS to use .
A Satellite Image Time Series (SITS) is a set of satellite images taken from the same scene at different times. A SITS makes use of different satellite sources to ... | <urn:uuid:3dffa4d6-72cc-4dae-b128-c120451ea7b1> | 2.8125 | 384 | Content Listing | Science & Tech. | 19.996924 | 95,639,280 |
Carbon atoms can attach to each other and form straight or branched chains and ringed structures of organic compounds.
Today millions of different organic compounds are known.
- 4 classes of macromolecules and their functions
- Isomers of biomolecules
- Functional groups
- Monomers and polymers
Structures of organic co... | <urn:uuid:47605eb1-115b-4a4b-94c4-00145f47a14c> | 3.78125 | 1,831 | Knowledge Article | Science & Tech. | 12.986046 | 95,639,308 |
New Haven scientists learn more about ancient sea monster (video)
NEW HAVEN -- Luckily, they're not around anymore, but sea creatures of less than 500 million years ago had to contend with a predator much larger than previously known.
It's the largest example ever found of this type of animal, looking like a 3-foot lob... | <urn:uuid:711d8053-423a-4d97-babc-360bb413801d> | 3.203125 | 907 | Truncated | Science & Tech. | 55.996052 | 95,639,344 |
The system will have limited access between June 29th and July 20th as the system is transferred to a new server.
Modeling colony collapse disorder in honeybees as a contagion
MetadataShow full item record
Honeybee pollination accounts annually for over $14 billion in United States agriculture alone. Within the past de... | <urn:uuid:e89eee45-d4d7-4949-8fc2-d2dbae8e930d> | 2.859375 | 220 | Academic Writing | Science & Tech. | 19.782732 | 95,639,376 |
Ruby can override existing classes and methods.
For example, consider Ruby's String class.
If you create a string, you end up with an object of class String; for example:
x = "This is a test" puts x.class
You can call a number of different methods upon the String object stored in x:
x = "This is a test" puts x.length p... | <urn:uuid:61f42cc1-b39f-431c-8032-688ea9a643b3> | 3.703125 | 143 | Documentation | Software Dev. | 97.956333 | 95,639,386 |
This Is Why The Event Horizon Telescope Still Doesn’t Have An Image Of A Black Hole
“Of all the black holes visible from Earth, the largest is at the galactic center: 37 μas.
With a theoretical resolution of 15 μas, the EHT should resolve it.
Despite the incredible news that they’ve detected the black hole’s structure ... | <urn:uuid:dd44feab-9417-4e91-b945-7ba830761e11> | 3.109375 | 3,705 | Content Listing | Science & Tech. | 49.061935 | 95,639,389 |
A student in a maths class was trying to get some information from her teacher. She was given some clues and then the teacher ended by saying, "Well, how old are they?"
Can you explain the strategy for winning this game with any target?
Given the products of adjacent cells, can you complete this Sudoku?
Play the divisi... | <urn:uuid:845d4128-705a-4296-b187-341119096891> | 3.328125 | 1,426 | Content Listing | Science & Tech. | 73.622004 | 95,639,411 |
Learn Servlet Life Cycle
If we talk about Servlet Life Cycle, we would need to cover the entire process starting from its initialization till the destruction which is basically wrapped in four stages that are:
This is the initial stage of Servlet Life Cycle in which servlet container loads the servlet from web.xml, whi... | <urn:uuid:34329306-49ad-453b-a735-bb91212f947f> | 2.796875 | 473 | Documentation | Software Dev. | 36.198262 | 95,639,417 |
Species Detail - Collybia distorta - Species information displayed is based on all datasets.
Terrestrial Map - 10kmDistribution of the number of records recorded within each 10km grid square (ITM).
Marine Map - 50kmDistribution of the number of records recorded within each 50km grid square (WGS84).
Agaricus distortus, ... | <urn:uuid:9a26f2f5-f797-4445-84d1-7787523526ed> | 2.78125 | 155 | Structured Data | Science & Tech. | 29.392658 | 95,639,431 |
In the above code snippet, notice that we have used a .js file called ModernizrBuild.js that has been downloaded from http://www.modernizr.com/download/ website.
It basically helps us to check if a particular feature of HTML5 is supported in the browser or not. To know more about the Modernizr, please visit its website... | <urn:uuid:313cea2e-54b5-4ebd-91e8-0a0f5f9fe3f5> | 2.6875 | 567 | Documentation | Software Dev. | 53.029117 | 95,639,444 |