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The larch casebearer Coleophora laricella (Hbn.) is now established throughout all western larch stands in Region 1. Population levels have begun to fluctuate in some of the older infested stands; however, it is still on the increase in more recently invaded territory. During the past 2 years work was begun to develop ... | <urn:uuid:b9ccf179-4c35-44f5-94dd-5b7d7e5246c2> | 2.703125 | 140 | Knowledge Article | Science & Tech. | 34.005646 | 95,644,386 |
posted by alice
The meter stick in the drawing can rotate about an axis located at the 20.0-cm mark. The axis is perpendicular to the screen. A force F acts at the left end; the force is perpendicular to the meter stick and has a magnitude of 175 N. A second force, either F1 or F2, acts at the 80.0-cm mark, as the draw... | <urn:uuid:e51db16a-7730-486b-8115-a7f8f073467a> | 3.578125 | 113 | Q&A Forum | Science & Tech. | 86.37625 | 95,644,390 |
Name the four families of hydrocarbons.
2. Hexyne is a hydrocarbon containing _____ carbons and a __________ bond.
3. Cyclobutene is a hydrocarbon containing _____ carbons, a ______ and a ______ bond.
4. Alcohols contain an ________ group.
5. A compound containing 5 carbons and a fluorine would be named _______________... | <urn:uuid:29fb6dcc-9fc5-44a9-b87a-49e7875874a6> | 3.90625 | 558 | Q&A Forum | Science & Tech. | 80.240599 | 95,644,403 |
Dispersion of dissolved or suspended materials in flowing streams / by Robert E. Glover; prepared in cooperation with the U.S. Atomic Energy Commission.
- Physical Description: 1 online resource (iii, B32 pages) : illustrations.
- Publisher: Washington : United States Department of the Interior, Geological Survey, 1964... | <urn:uuid:b83f2ceb-1ac6-487b-8c24-3f68b56ae7a5> | 2.859375 | 166 | Content Listing | Science & Tech. | 29.120196 | 95,644,404 |
Built: about 1 month ago
Size: 147 KB
Home page: http://www.gnu.org/software/patch/
Summary: The GNU patch command, for modifying/upgrading files
The patch program applies diff files to originals. The diff command
is used to compare an original to a changed file. Diff lists the
changes made to the file. A person who ha... | <urn:uuid:e8177e4e-b58a-4eb7-9e1f-dfa9d37bca66> | 2.84375 | 270 | Documentation | Software Dev. | 106.466424 | 95,644,430 |
The Role of Sulfur Dioxide in Stratospheric Aerosol Formation Evaluated Using In-Situ Measurements in the Tropical Lower Stratosphere.
Geophys Res Lett. 2017 May 16;44(9):4280-4286
Authors: Rollins AW, Thornberry TD, Watts LA, Yu P, Rosenlof KH, Mills M, Baumann E, Giorgetta FR, Bui TV, Höpfner M, Walker KA, Boone C, B... | <urn:uuid:9870a3a7-c226-4895-86a6-739337f0b5b3> | 2.640625 | 348 | Academic Writing | Science & Tech. | 32.024125 | 95,644,435 |
This question isn’t the same as this
I don’t want a mathematical proof or something of the sort. I want a verbal explanation that intuitively will convince me why this is true.
The way I see it, when you plot a continuous function like say the weight of all the people in the world. This will be continuous, right? Now f... | <urn:uuid:c9ca954a-46ce-4a16-aa87-9192926b5fa5> | 2.890625 | 913 | Q&A Forum | Science & Tech. | 57.804925 | 95,644,454 |
2 - USGS National Geochemical Database: Recovering, repackaging, and repurposing 50+ years of historical data
Steven M Smith, firstname.lastname@example.org, David B Smith. Mineral and Environmental Resources Science Center, U.S. Geological Survey, Denver, Colorado 80225, United States
The U.S. Geological Survey's (USG... | <urn:uuid:939d1cb5-162d-4618-bf0c-74ae1da40d55> | 3.03125 | 347 | News (Org.) | Science & Tech. | 26.772811 | 95,644,468 |
For quite some time, there have been arguments (and are going to stay with us for some more time) that the debate around A.I. versus Human Jobs is exaggerated, and humans will be having jobs, doing their work and earning the money. As much as it holds true, let me tell you it’s just one of the many arguments, to some i... | <urn:uuid:f5115291-eaae-488a-b83d-29df7df23234> | 2.625 | 809 | Personal Blog | Science & Tech. | 61.067025 | 95,644,474 |
A material in its normal condition has an effectively full valence band and an empty conduction band. Explain why the material is strongly compressed causing the two bands to overlap and the material changes its behavior to become much like a metal.© BrainMass Inc. brainmass.com July 17, 2018, 4:11 am ad1c9bdddf
The va... | <urn:uuid:9c6e68e8-18ba-42b1-97fe-16bc6eb051ac> | 3.546875 | 120 | Truncated | Science & Tech. | 45.650749 | 95,644,536 |
The Carina Nebula contains several ultra-hot stars, including these two star systems and the famous blue star Eta Carinae, which has the highest luminosity yet confirmed.
As well as producing incredible amounts of heat, these stars are also very bright, emitting most of their radiation in the ultraviolet and appearing ... | <urn:uuid:01eb9a8a-73f1-445b-9854-a4b805faed4c> | 3.546875 | 1,293 | Content Listing | Science & Tech. | 43.496481 | 95,644,563 |
The concept of entropy was introduced into the study of thermodynamics by Rudolph Clausius in 1856 to give a quantitative basis for the second law. It provides another variable to describe the state of a system to go along with pressure, volume, temperature and internal energy. If a system undergoes a reversible proces... | <urn:uuid:cbf89a3f-0b4f-4cd7-b945-72f7b8114259> | 3.796875 | 637 | Knowledge Article | Science & Tech. | 44.062826 | 95,644,593 |
The films were synthesized at BGU by Prof. Yuval Golan and PhD student Anna Osherov of the Department of Materials Engineering and the Ilse Katz Institute for Nanoscale Science and Technology. The letter was published this week in Nature Physics.
One of the important factors limiting solar-cell efficiency is that incid... | <urn:uuid:9a3dcedd-8e28-4a69-9041-b886279726b2> | 3.09375 | 1,131 | Content Listing | Science & Tech. | 36.339789 | 95,644,607 |
Particle Physics found a large, hidden hole in the pyramid of Khufu, the largest pyramid at Giza, Egypt was built between 2600 and 2500 BC. The discovery, which was written in Nature, was made using imaging based on cosmic rays and could help scientists figure out how to actually built a mysterious pyramid.
At the hear... | <urn:uuid:91e231b2-26fd-47ea-9f5f-8fbbe38adca0> | 4.1875 | 1,460 | Content Listing | Science & Tech. | 52.686505 | 95,644,626 |
New tools and approaches are becoming available for wildlife conservation managers to help support climate adaptation activities, but few studies have documented how practitioners have applied these tools and perceive their utility. We surveyed the literature and users of the NatureServe Climate Change Vulnerability In... | <urn:uuid:2261e490-5fcb-4a2e-8400-c780a81e0ce4> | 3.5 | 1,675 | Content Listing | Science & Tech. | -3.012523 | 95,644,634 |
Bacteria inhabiting deep-sea hot vents as symbiotic tenants of mussels are equipped with a whole arsenal of toxins – more than any known pathogen. Find out about this discovery, and why it is rather healthy than harmful for the mussels, in a new publication by MPI scientists in the open-access journal eLife
Imagine you... | <urn:uuid:0eccf61e-68b5-46b6-96b4-cde99777eb1b> | 3.6875 | 1,500 | Content Listing | Science & Tech. | 43.230951 | 95,644,636 |
New Perspective on Plankton Shell Formation
Foraminifera Orbulina Universa eating a small copepod. Credit: Oscar Branson/ANU.
The carbonate shells of tiny marine plankton, foraminifers, are important archives of geochemical records of past climates. Understanding how these plankton make their shells is essential to cor... | <urn:uuid:b60401ea-bcd0-482d-87c0-a9ba696c86f5> | 3.6875 | 461 | Truncated | Science & Tech. | 25.651714 | 95,644,641 |
In this chapter we’re going to look at how to store, process, and interact with external sources of data from our Ruby programs. In Chapter 4 we briefly looked at how to load files to get data into an application, but this chapter will extend upon that greatly and allow you to create files from scratch from your Ruby p... | <urn:uuid:9eede34e-89cb-4a18-9c6e-9c8ce79541fc> | 2.65625 | 94 | Truncated | Software Dev. | 44.360902 | 95,644,666 |
why is evaporation important to the water cycle
Cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the hydrologic cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff. Although the total amount of water w... | <urn:uuid:e12e1b4e-f37a-4076-941c-fc7bfbd0b7cf> | 4.125 | 1,574 | Truncated | Science & Tech. | 32.935252 | 95,644,674 |
Phospholipids are unusual and important to cell structure because:
A) they are part of DNA
B) they are found only in animals
C) they contain fatty acids
D) They have a polar and non-polar end
E) They are an important energy carrier molecule© BrainMass Inc. brainmass.com July 18, 2018, 6:39 am ad1c9bdddf
Phospholipids a... | <urn:uuid:4de30981-68f7-4860-98b6-8c3f23788e9f> | 2.890625 | 116 | Truncated | Science & Tech. | 64.4275 | 95,644,675 |
Kirchhoff’s Law of Thermal Emission asserts that, given sufficient dimensions to neglect diffraction, the radiation contained within arbitrary cavities must always be black, or normal, dependent only upon the frequency of observation and the temperature, while independent of the nature of the walls. With this in mind, ... | <urn:uuid:11adc4cd-1e4a-41b8-b0e9-bc9dc607f984> | 3.515625 | 598 | Comment Section | Science & Tech. | 28.853883 | 95,644,694 |
Over the past 18 months, astronomers have painstakingly tracked a dozen tiny moons that they found circling the giant planet Jupiter.
This month's astronomy podcast tells you how to spot a five bright planets — Mercury, Venus, Mars, Jupiter, and Saturn — in the evening sky.
As you'll learn in this month's astronomy pod... | <urn:uuid:fdb2f44d-6fdb-45ad-bf07-2e4d99ac6961> | 3.390625 | 827 | Content Listing | Science & Tech. | 52.341802 | 95,644,702 |
OpenPIV - what is it for?
OpenPIV is an initiative of scientists to develop a software, algorithms and methods for the state-of-the-art experimental tool of Particle Image Velocimetry (PIV) which are free, open source, and easy to operate. OpenPIV is the successor of the well known URAPIV software - it is faster, more ... | <urn:uuid:ce637d2e-6fe8-4b7b-bfe9-3cd766fe5dd3> | 2.6875 | 561 | About (Org.) | Software Dev. | 59.591398 | 95,644,712 |
Conventional oil and gas development in northern Pennsylvania altered bird communities, and the current massive build-out of shale-gas infrastructure may accelerate these changes, according to researchers in Penn State's College of Agricultural Sciences.
The commonwealth's Northern Tier -- one of the largest blocks of ... | <urn:uuid:5593c37e-2263-48d7-a2ef-ef566e546937> | 3 | 1,627 | Content Listing | Science & Tech. | 32.046885 | 95,644,717 |
The ideal gas law is an equation of state of a hypothetical ideal gas. It is an approximation to the behaviour of many gases under many conditions. The ideal gas law however has many limitations. Emile Clapeyron was the first the state the equation in 1834 as a combination of Boyle’s law and Charles’ law. The ideal gas... | <urn:uuid:08ec12e8-d09d-45da-a17e-bdfd72d25801> | 3.859375 | 252 | Knowledge Article | Science & Tech. | 56.706538 | 95,644,733 |
Modeling aerosol optical properties in Amazonia obtained by AERONET and preliminary radiative forcing study
Paixão, Universidade de São Paulo, email@example.com
Artaxo, Universidade de São Paulo, firstname.lastname@example.org
Holben, NASA Goddard Space Flight Center, email@example.com
Schafer, NASA Goddard Space Fligh... | <urn:uuid:ade153d7-986e-45f7-ab3d-b551104c5d04> | 2.78125 | 355 | Academic Writing | Science & Tech. | 24.29 | 95,644,749 |
On November 12 at 4 a.m. EST the National Hurricane Center issued the last advisory on Extra-Tropical Cyclone Kate, located several hundred miles south-southeast of Cape Race, Newfoundland. NOAA's GOES-East satellite captured a visible light image of the storm.
A NOAA GOES-West satellite visible image extra-tropical st... | <urn:uuid:ace040c4-5a53-404f-87ea-524ef9b8410d> | 2.9375 | 1,379 | Content Listing | Science & Tech. | 52.307454 | 95,644,754 |
Restoration can be viewed as the process of reestablishing both exogenous drivers and internal feedbacks that maintain ecosystems in a desirable state. Correcting exogenous and abiotic drivers is clearly necessary, but may be insufficient to achieve desired outcomes in systems with self-organizing biotic feedbacks that... | <urn:uuid:5c2ab4d0-3795-49e7-b7e7-9ae5b7e5b394> | 2.75 | 405 | Academic Writing | Science & Tech. | -11.151899 | 95,644,755 |
Find some triples of whole numbers a, b and c such that a^2 + b^2 + c^2 is a multiple of 4. Is it necessarily the case that a, b and c must all be even? If so, can you explain why?
Try to solve this very difficult problem and then study our two suggested solutions. How would you use your knowledge to try to solve varia... | <urn:uuid:e922e8fd-8589-4d03-98c1-25b9ca98ed14> | 2.921875 | 1,674 | Content Listing | Science & Tech. | 76.623123 | 95,644,771 |
Mismatched feet may be a sign of population stress.
© Lens et al.
Asymmetric bodies fuel arguments over ecological risk.
Birds with one foot bigger than the other are showing signs of stress, say Belgian ecologists. The study backs the controversial idea that measuring body asymmetries could signal that a species is at... | <urn:uuid:df2cb86b-7dcb-4411-882d-74fc150e1544> | 3.25 | 1,263 | Content Listing | Science & Tech. | 39.077081 | 95,644,774 |
"Deep-seafloor volcanism, which is sort of out of sight, out of mind, may have a long-term feedback into our whole climate system," says Maya Tolstoy, an associate professor at Lamont-Doherty Earth Observatory at Columbia University. "If we are going to protect Earth we have to understand how the planet functions as a ... | <urn:uuid:9aa70d5e-f676-4356-8629-72fbdd8c8a28> | 3.84375 | 1,033 | News Article | Science & Tech. | 31.436045 | 95,644,785 |
Back-End Process Of Mobile App Development
Mobile app developers stand to gain a critical business advantage by designing an efficient mobile app particularly one that easily enables your end users to tap into your databases with adequate ease and security. It’s all about building a mobile app with a great UX. But befo... | <urn:uuid:10479113-ea09-4ba9-bf63-48b37499f76b> | 2.6875 | 694 | Tutorial | Software Dev. | 43.9125 | 95,644,788 |
A combination of X-ray diffraction and computational techniques can determine unknown crystal structures in powder mixtures
The characterization of individual components in an unknown crystalline powder mixture is a challenge that has eluded scientists for many years. Now, A*STAR researchers have for the first time inv... | <urn:uuid:72ab7168-31b1-4379-97b3-35e4d6f4e7bd> | 3.4375 | 1,358 | Truncated | Science & Tech. | 29.715631 | 95,644,790 |
Fire in the Tropics October 21, 2010. Fire in the tropics: natural or human tool?. Natural disturbance in some tropical and subtropical ecosystems, but… Currently fire is largely a “ land treatment tool ” in the tropics:
How do fire regimes in these ecosystems compare with temperate ecosystems that we have studied this... | <urn:uuid:a117e706-1aa2-4b52-8794-6531907a9a3a> | 2.703125 | 122 | Content Listing | Science & Tech. | 21.805277 | 95,644,804 |
Anatase, one of three minerals composed of titanium dioxide (TiO2), the other two being rutile and brookite. It is found as hard, brilliant crystals of tetragonal symmetry and various colours in veins in igneous and metamorphic rocks and commonly in placer deposits of detritus. Notable vein deposits exist in many regio... | <urn:uuid:b7494f2b-4823-4a73-bb9f-25e7ed67fe9c> | 3.703125 | 481 | Knowledge Article | Science & Tech. | 15.918415 | 95,644,825 |
Physics Question #9011
kyler, a 15 year old from the Internet asks on December 18, 2013,
If I were to tie a rope or something like that to the moon and have it dangle far enough toward the earth so I can reach it on the ground, would I be able to hold on to the rope and travel around the earth very fast because the moo... | <urn:uuid:b1c61278-59f2-495b-bc10-ce96ddf92afe> | 3.34375 | 801 | Q&A Forum | Science & Tech. | 69.919637 | 95,644,841 |
A brown dwarf over 100 light years away from the Sun has been discovered using a new citizen-science tool that helps astronomers pinpoint new worlds lurking in the outer reaches of our solar system. Just six days after the launch of the Backyard Worlds: Planet 9 website in February, four different users alerted the sci... | <urn:uuid:0cb89e3f-601c-4f99-8ad0-0be11605b0ef> | 3.78125 | 557 | News Article | Science & Tech. | 42.482913 | 95,644,842 |
Heidelberg chemists succeed in isolating carbon-gold compound of “amazing stability”
With a chemical “trick”, scientists at Heidelberg University have succeeded in isolating a stable gold carbene complex. Chemist Prof. Dr. Bernd F. Straub and his team are the first to have created the basis for directly examining the o... | <urn:uuid:2c37dcc3-53e4-4eae-92d7-55eb0c5e8544> | 2.71875 | 1,452 | Content Listing | Science & Tech. | 44.721848 | 95,644,843 |
+44 1803 865913
Edited By: TL Crisman, LJ Chapman, CA Chapman and LS Kaufman
514 pages, 54 b/w figs, 59 tabs
Provides a continent-wide perspective on environmental problems in the context of a rapidly expanding human population.
Deforestation, exotic species, wetland degradation, hydro-development projects, fisheries e... | <urn:uuid:e442c314-cb70-40be-82ac-2fcef8e7cd16> | 2.609375 | 272 | Product Page | Science & Tech. | 34.58462 | 95,644,844 |
Here is what I would like some comments on:
brief overview of the nature and importance of light and other electromagnetic waves.
How stars fit in the hierarchy of the universe
characteristics of stars
Processes by which stars live and die
how the materials are recycled and how this process might be related to the stru... | <urn:uuid:a7425865-4ed3-44fa-aa28-2c1902e75a29> | 3.703125 | 384 | Q&A Forum | Science & Tech. | 50.484708 | 95,644,864 |
+44 1803 865913
By: Ronaldo Barthem and Michael Goulding
241 pages, 200 colour photos and illus
The Amazon has the richest freshwater fish fauna in the world, and its evolution is closely linked to the rainforest and the vast floating meadows of the floodplains. Fisheries illustrate the urgent need to look at the Amazo... | <urn:uuid:5f168217-6ebf-4689-9500-9263d7ca0968> | 2.6875 | 244 | Product Page | Science & Tech. | 43.432778 | 95,644,869 |
Image Courtesy of: Andrew Gillis
Latest analysis shows that human limbs share a genetic programme with the gills of cartilaginous fishes such as sharks and skates, providing evidence to support a century-old theory on the origin of limbs that had been widely discounted.
An idea first proposed 138 years ago that limbs e... | <urn:uuid:eabb72a0-c281-4097-b582-0868321965bf> | 3.59375 | 1,289 | Truncated | Science & Tech. | 26.795356 | 95,644,874 |
12 July 2018
New low-cost catalyst helps generate hydrogen fuel
Published online 16 September 2015
Discovery of a cheap metal-based catalyst may pave the way for hydrogen-fuel-based economy.
Hydrogen, touted to be the cleanest fuel, can reduce the atmospheric levels of carbon dioxide. However, existing techniques emplo... | <urn:uuid:dbd62bf7-996d-4284-842f-f463a978cdf7> | 3.484375 | 411 | Truncated | Science & Tech. | 25.712938 | 95,644,885 |
Authors: Alexander G. Kyriakos
The most advanced theory of gravitation is so far Einstein's general relativity theory. Some of its drawbacks are the source of attempts to construct a new theory of gravitation. The main drawback of general relativity theory is its incompatibility with the modern quantum theory of elemen... | <urn:uuid:73c732c3-ab43-417d-af12-a9c5c92e5a28> | 2.90625 | 401 | Truncated | Science & Tech. | 32.476499 | 95,644,897 |
A View from Emerging Technology from the arXiv
Counterintuitive Defocusing Technique Produces 3-D Microscope Images
By defocusing a microscope, biologists have developed a simple technique that produces three-dimensional images of red blood cells.
One of the great inventions in history was the development of the micros... | <urn:uuid:89e14d7f-4892-4eb2-b683-d830f1ee8daf> | 3.28125 | 867 | Truncated | Science & Tech. | 40.148373 | 95,644,910 |
Now, in an ambitious initiative scientists want to apply this concept to life by using DNA - nature's unique barcode of every species of animal, plant and microbe - to create a vast library of every living organism on the planet. Such a global DNA barcode database would prove invaluable in numerous ways, from identifyi... | <urn:uuid:ffdf1b8d-b5ce-4afd-92e4-37451a32346b> | 3.34375 | 1,679 | Content Listing | Science & Tech. | 34.648114 | 95,644,924 |
Partial E1 envelope glycoprotein gene sequences and complete structural polyprotein sequences were used to compare divergence and construct phylogenetic trees for the genus Alphavirus. Tree topologies indicated that the mosquito-borne alphaviruses could have arisen in either the Old or the New World, with at least two ... | <urn:uuid:c8e030ff-805a-4313-9fac-8e41498bf255> | 2.984375 | 277 | Academic Writing | Science & Tech. | -4.790576 | 95,644,927 |
Researchers have manufactured microscopic versions of the cocoons spun by silkworms, which could be used to store sensitive proteins and other molecules for a wide range of uses
Microscopic versions of the cocoons spun by silkworms have been manufactured by a team of researchers. The tiny capsules, which are invisible ... | <urn:uuid:7625276b-f074-45fb-babd-f7348894d9ce> | 3.703125 | 1,774 | Content Listing | Science & Tech. | 29.691864 | 95,644,942 |
The if-else statement is one of the widely used control flow statements while programming. It lets the program execute a set of statements enclosed within the "if" block only if the certain condition evaluates to true otherwise program executes statements of "else" block. So it provides the facility to the programmer t... | <urn:uuid:b0b34abb-7e54-4914-a447-e960c6bf1e83> | 3.046875 | 79 | Truncated | Software Dev. | 28.658718 | 95,644,953 |
The Atmosphere — Ice — Water Interface: On the necessity of boundary layer modelling
In his search for energy sources and minerals, man has started to develop the high potential wealth of the Arctic. Thus, we must promote climatological, ecological, hydrographical and meteorological studies, to provide knowledge of how... | <urn:uuid:82f15676-89b6-4655-9902-0bdbdd61967b> | 2.90625 | 1,353 | Truncated | Science & Tech. | 63.700553 | 95,644,959 |
Researchers use spectroscopic tools to analyze H2 activation by [FeFe]-Hydrogenase HydA1 from Chlamydomonas reinhardtii.
- [NREL] NREL Shows How Cyanobacteria Build Hydrogen-Producing Enzyme
- [NREL] New Screening System Detects Algae with Increased H2 Production
- [NREL] Advantages of Enzyme Could Lead to Improved Bio... | <urn:uuid:5cb79eb6-61ad-4cb2-b7b2-bb9f74078b3d> | 3.09375 | 867 | News (Org.) | Science & Tech. | 25.149315 | 95,644,970 |
Scientists advanced their recent development of laser-induced graphene by producing and testing stacked, three-dimensional supercapacitors, energy-storage devices that are important for portable, flexible electronics.
Scientists developed a method to form micropores of less than 2 nanometers within porous polymers wher... | <urn:uuid:a1497cbe-8017-441f-97b6-254b1f6015b0> | 3.515625 | 301 | Content Listing | Science & Tech. | 7.650924 | 95,644,974 |
Population dynamics, reproduction and growth of the Indo-Pacific horned sea star, Protoreaster nodosus (Echinodermata; Asteroidea)
- 502 Downloads
The horned sea star (Protoreaster nodosus) is relatively common in the Indo-Pacific region, but there is little information about its biology. This study of the population b... | <urn:uuid:923897b5-4ea8-44a1-a2ef-a560a8b2db78> | 2.515625 | 1,173 | Academic Writing | Science & Tech. | 50.078202 | 95,644,986 |
Common name: a copepod
available through www.itis.gov
Size: Less than 1 mm
Native Range: The genus has a worldwide distribution. However, Bruno et al. (2000) believe it may be introduced to North America from Eurasia as a large majority of records come from disturbed habitats.
Interactive maps: Point Distribution Maps
... | <urn:uuid:eb23d8f1-0c08-4fbe-8219-6a659cbc781e> | 3.21875 | 690 | Knowledge Article | Science & Tech. | 49.233126 | 95,644,997 |
Humans are fascinated by sharks. And the larger the shark is, the tighter its grip on our collective imagination. So et's take a look at the biggest shark of them all: the Carcharocles megalodon.
C. megalodon is thought to have grown to approximately 60 feet long, and to have gone extinct around 2.6 million years ago. ... | <urn:uuid:df10bc31-c24f-4976-ad4e-54d6e15b0088> | 4 | 1,836 | Personal Blog | Science & Tech. | 51.787124 | 95,644,999 |
Join the Conversation
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Army Corps of Engineers: Lake Okeechobee flows to slow
Water from Lake Okeechobee and rainfall within the Caloosahatchee watershed are causing water quality issues in the river's estuary. Wochit
The Caloosa... | <urn:uuid:9f749740-7da8-42b5-bfe5-8487a2cc3d33> | 2.5625 | 349 | Truncated | Science & Tech. | 50.284122 | 95,645,012 |
The world’s oldest water, which is locked deep within the Earth’s crust, just got even older.
The liquid was discovered deep down in a mine in Canada in 2013 and is about 1.5 billion years old.
But now, at the same site, scientists from the University of Toronto have found a deeper source of water that is at least 500,... | <urn:uuid:f9766185-65b0-461b-95ef-360aa558762c> | 3.859375 | 565 | News Article | Science & Tech. | 55.003998 | 95,645,023 |
As you saw in the previous chapter, the list data type is an illusion created by a set of functions that manipulate cons cells. Common Lisp also provides functions that let you treat data structures built out of cons cells as trees, sets, and lookup tables. In this chapter I’ll give you a quick tour of some of these ot... | <urn:uuid:b3f1fe2e-63c6-4227-babf-e1a84d540b6f> | 3.15625 | 136 | Truncated | Software Dev. | 48.342572 | 95,645,031 |
Add command descriptions
|Deletions are marked like this.||Additions are marked like this.|
|Line 56:||Line 56:|
|* set exec-direction [forward | reverse]|
|Line 57:||Line 58:|
|A modal command: when exec-direction is set to "reverse", all ordinary execution commands
such as "step" and "continue" will cause the program... | <urn:uuid:e476b7f6-d699-4a07-8dce-6c428ad2af4f> | 2.84375 | 678 | Documentation | Software Dev. | 33.113436 | 95,645,071 |
Marty Holmes, a landscaper from Stockton, Calif., had never heard of a regulatory T cell before his doctor suggested that it could be the key to helping him survive his cancer.
Holmes recalled that he didnt bat an eye when the doctors proposed an experimental radiation and drug procedure to help boost these cells, even... | <urn:uuid:a9b012df-2246-43f4-9c99-d2e848de1978> | 2.84375 | 812 | Content Listing | Science & Tech. | 40.266848 | 95,645,093 |
Thalassoma amblycephalum (Bleeker, 1856)
Abundant in the Solitary Islands Marine Park. Distributed throughout the Indo-Pacific region: from Somalia and South Africa, to the Line, Marquesan and Tuamoto Islands, north to southern Japan, south to northern New Zealand, Rapa and Lord Howe Islands. In Australia recorded from... | <urn:uuid:75311d7c-4f38-49f8-9126-afcb1b172581> | 3.015625 | 350 | Knowledge Article | Science & Tech. | 57.903693 | 95,645,112 |
Process uses light-harvesting nanoparticles, captures energy from 'hot electrons'
Rice University researchers have demonstrated an efficient new way to capture the energy from sunlight and convert it into clean, renewable energy by splitting water molecules.
The technology, which is described online in the American Che... | <urn:uuid:72e4c462-0b47-4ee8-9b5b-82f1a9a7b674> | 3.859375 | 2,012 | Content Listing | Science & Tech. | 30.598605 | 95,645,129 |
Despite the high temperatures, geologists and climate researchers find evidence that there was sea ice at the North Pole during the last interglacial
Temperatures in the Arctic are currently climbing two to three times faster than the global average. The result - and, thanks to feedback effects, also the cause - is dwi... | <urn:uuid:79a4121b-f427-4b53-af80-6a12c644a0ff> | 3.6875 | 2,115 | Content Listing | Science & Tech. | 35.051641 | 95,645,130 |
Scientists create new nanostructure with peptides
Published : Apr 19, 2018 - 22:00
Updated : Apr 19, 2018 - 22:00
A group of South Korean scientists has used amino acids and peptides to create a new type of
nanostructure that can be utilized in various industries, a joint university-company team said Thursday.
Many che... | <urn:uuid:ed1e16df-21d8-4de3-ad35-ef4657774cb4> | 2.890625 | 319 | News Article | Science & Tech. | 25.391098 | 95,645,147 |
- Open Access
Short-term spatial change in a volcanic tremor source during the 2011 Kirishima eruption
© The Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS); The Seismological Society of Japan; The Volcanological Society of Japan; The Geodetic Society of Japan; The Japanese Society for Planetar... | <urn:uuid:a34eba47-75fc-4d9a-a1d5-0cfe5d57d6da> | 3.09375 | 2,117 | Academic Writing | Science & Tech. | 54.775416 | 95,645,175 |
If you're searching for Copper (Cu): Fun Facts and Information About the Element to help with your children's homework, to use as a website resource for your classroom, or to use in your lesson plan for your students, the information below can help.
What is the symbol? Cu
What is the atomic number? 29
What is the atomi... | <urn:uuid:8e55472a-4126-48db-b7a8-ee0780d3a06a> | 3.4375 | 370 | Knowledge Article | Science & Tech. | 59.953278 | 95,645,177 |
NOTE: Most of the High Level Science Products are unavailable while unscheduled maintenance is being performed. They will be incrementally restored over the course of this week. We apologize for any inconvenience.
The International Ultraviolet Explorer (IUE) satellite was a unique space observatory in that it was opera... | <urn:uuid:13a11441-486a-4124-bb78-3ba9c238538a> | 2.921875 | 445 | Knowledge Article | Science & Tech. | 32.964063 | 95,645,201 |
ASP.NET Web Pages - Folders
This chapter is about folders and folder paths.
In this chapter you will learn:
- About Logical and Physical folder structures
- About Virtual and Physical names
- About web URLs and Paths
Logical Folder Structure
Below is a typical folder structure for an ASP.NET web pages web:
- The "Accou... | <urn:uuid:b18d01a2-81ad-4800-a31a-df9abf00c869> | 2.9375 | 777 | Tutorial | Software Dev. | 57.069364 | 95,645,207 |
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction. The driving reaction may be [nuclear fission] or [nuclear fusion] or a multistage cascading combination of the two, though to date all fusion-based weapons have used a fission device to initiat... | <urn:uuid:4140e958-c2e8-4839-a951-10d5a89578ce> | 3.140625 | 1,144 | Knowledge Article | Science & Tech. | 44.999643 | 95,645,215 |
Locked in Arctic Soils Into the Ocean, Researchers Say
The Arctic Ocean receives about ten percent of Earths river water and with it some 25 teragrams [28 million tons] per year of dissolved organic carbon that had been held in far northern bogs and other soils. Scientists had not known the age of the carbon that reach... | <urn:uuid:c2c55bb5-af8a-4bb2-a4c2-c6f8cb32e05e> | 3.703125 | 1,334 | Content Listing | Science & Tech. | 42.485152 | 95,645,216 |
Increasing rainfall has breathed new life into Lake Urmia which has been on the brink of drying up.
Iranian nano-companies operating in the field of water are seeking to secure a share of the lucrative market in East Asia.
The latest figures released by Iran Meteorological Organization suggest the 30-day period between... | <urn:uuid:43cc5b3d-e3c0-4bb9-b01a-60e7e67ab426> | 2.609375 | 352 | Content Listing | Science & Tech. | 31.877894 | 95,645,222 |
Chlorocypha radix Longfield, 1959
Western Red-tipped Jewel
- scientific: C. glauca (Selys, 1879) ssp. radix
Type locality: Ado-Ekiti, Nigeria
No diagnosis of this species that replaces C. glauca in western Africa is presently available. Please refer to the references provided.
Streams shaded by forest, but sometimes in... | <urn:uuid:9d8c26a4-9ce1-4e4e-8b41-52a8b2f2774d> | 3.03125 | 335 | Knowledge Article | Science & Tech. | 73.319031 | 95,645,228 |
Chlorophyll fluorescence extraction from water-leaving radiance of algae-containing water through polarization
- 42 Downloads
When measuring reflectance spectra, it is very important to accurately extract chlorophyll fluorescence from elastic- scattering light in water-leaving radiance. The elastic scattering of light ... | <urn:uuid:8556fd20-aaef-4ada-bd06-7105b66dd08b> | 2.84375 | 1,004 | Academic Writing | Science & Tech. | 47.784992 | 95,645,271 |
The tidewater goby is found along the Pacific coast of California from the Smith River in Del Norte County, south to Agua Hedionda Logoon in San Diego County. It is a small fish, rarely exceeding two inches in length. It's body is somewhat transparent-like, with blotches of brownish-gray colorations, and it has large p... | <urn:uuid:40fbdd8b-0711-4590-a2cf-63072fd82a5a> | 3.8125 | 493 | Knowledge Article | Science & Tech. | 45.348672 | 95,645,299 |
Pictured is an image, captured by satellite, of the moon passing in front of Earth. This image may look photoshopped but it is 100 percent legitimate. NASA released the photograph, taken by a camera aboard the Deep Space Climate Observatory (DSCOVR) satellite. The image shows the fully illuminated “dark side” of the mo... | <urn:uuid:946e6ef5-3b69-4ee8-8373-4263ff30dd64> | 2.828125 | 88 | Truncated | Science & Tech. | 41.851818 | 95,645,313 |
The LUNA experiment at the INFN Gran Sasso National Laboratory in Italy has observed a rare nuclear reaction that occurs in giant red stars, a type of star in which our sun will also evolve. This is the first direct observation of sodium production in these stars, one of the nuclear reactions that is fundamental for th... | <urn:uuid:4184e663-85cc-461f-b683-8ff2d412f82d> | 3.53125 | 1,538 | Content Listing | Science & Tech. | 38.1685 | 95,645,316 |
Washington: Planets rich in carbon, including so-called diamond planets, may lack oceans, according to a NASA study.
Our Sun is a carbon-poor star, and as result, our planet Earth is made up largely of silicates, not carbon. Stars with much more carbon than the Sun, on the other hand, are predicted to make planets choc... | <urn:uuid:6efd3b08-48b5-4696-8fa7-20a8af6ef4e6> | 3.859375 | 599 | News Article | Science & Tech. | 38.51827 | 95,645,330 |
[caption id="attachment_42791" align="alignright" width="300" caption="During the 2005 and 2010 droughts, satellites detected decreased vegetation greennessor a lower Normalized Vegetation Index (NDVI)over the southern Amazon rainforest (orange and red regions). NDVI is derived from MODIS instruments on NASA's Terra an... | <urn:uuid:0a0e731a-d50f-4f8d-804a-292a26578e25> | 3.453125 | 1,137 | News Article | Science & Tech. | 34.872306 | 95,645,337 |
The Model-View-Controller (MVC) pattern was introduced in 1970s. It is a software design pattern that splits an application into three main aspects : Model, View and Controller. Moreover, MVC pattern forces a separation of concerns within an application for example, separating data access logic and business logic from ... | <urn:uuid:6333a3a9-fe55-465f-82e9-e64a90bc29d0> | 3.984375 | 614 | Knowledge Article | Software Dev. | 50.533584 | 95,645,368 |
PROFESSOR Stephen Hawking has said humanity has to find a way of leaving Earth or face the extinction of our species.
In the documentary, The Search for a New Earth, he said humans will soon find a way of visiting nearby star systems like Proxima b.
The British genius fears humanity will destroy itself through pollutio... | <urn:uuid:f091a431-7923-46e2-a83a-f884b3e891d4> | 2.9375 | 628 | News Article | Science & Tech. | 47.045924 | 95,645,391 |
- the induction of an electromotive force by the motion of a conductor across a magnetic field or by a change in magnetic flux in a magnetic field.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005... | <urn:uuid:1b97adec-68b8-4154-8ca9-f82bfb8378f1> | 2.9375 | 100 | Structured Data | Science & Tech. | 30.088893 | 95,645,413 |
Side view of a collapsed lava pit on the East Pacific Rise near 9°50N at a depth of 2,500 meters (about 8,000 feet). Two lava pillars in the center of the photo support a piece of the upper crust of the lava flow several inches thick.
Underside of a piece of lava from the East Pacific Rise showing drip structures or st... | <urn:uuid:eab381fd-ba16-4906-877f-7ec72685230b> | 4.03125 | 1,033 | Content Listing | Science & Tech. | 39.971626 | 95,645,415 |
Spectacular View of Betelgeuse
The Atacama Large Millimeter Array (ALMA) has captured a spectacular view of Betelgeuse. Also known as Alpha Orionis, Betelgeuse is a red giant star located within the visual bounds of the constellation Orion. This is one of very few stars large enough to be seen in a picture as more than... | <urn:uuid:cfbea911-80e7-4d97-9c4a-3dda0be99ee5> | 3.828125 | 524 | News (Org.) | Science & Tech. | 48.732415 | 95,645,421 |
To obtain a lightweight and high-strength wood sandwich structure, a wooden lattice sandwich cell element was designed in combination with a pyramid-type structure. After inserting glue to prepare the cell unit, the influence of panel thickness and core diameter on the unit cell force was analyzed and compared under th... | <urn:uuid:00b1d671-d640-40b0-b97c-4f15de2242a8> | 3.09375 | 215 | Academic Writing | Science & Tech. | 29.1825 | 95,645,433 |
The color representation of the digamma function,
, in a rectangular region of the complex plane
In mathematics, the digamma function is defined as the logarithmic derivative of the gamma function:
It is the first of the polygamma functions.
The digamma function is often denoted as ψ0(x), ψ(0)(x) or Ϝ (the uppercase fo... | <urn:uuid:bceb359b-d29b-43c0-bfc1-e4467696b00a> | 3.125 | 2,672 | Knowledge Article | Science & Tech. | 64.175543 | 95,645,435 |
|A purple-striped jelly (Chrysaora colorata) on exhibit at Monterey Bay Aquarium|
The purple-striped jelly (Chrysaora colorata) is a species of jellyfish that exists primarily off the coast of California in Monterey Bay. The bell (body) of the jellyfish is up to 70 cm (27.6 inches or 2.3 feet) in diameter, typically wi... | <urn:uuid:995f058a-89c3-4fbd-a7a1-671d25d392a4> | 3.234375 | 518 | Knowledge Article | Science & Tech. | 51.246754 | 95,645,446 |
Whistling tree frogs, Litoria verreauxii, are one of the species monitored around Canberra for their response to climate change.
Catching the eye/flickr
Climate change can seem far removed from our everyday lives, which is why a citizen science program measuring how frogs are dealing with a warming world is so importan... | <urn:uuid:e1a90236-99f0-4680-b2bb-6fdb3462a00b> | 3.359375 | 1,052 | Content Listing | Science & Tech. | 45.594614 | 95,645,453 |
United States of Energy
Learn more about Teaching Climate Literacy and Energy Awareness»
See how this Animation supports the Next Generation Science Standards»
High School: 2 Disciplinary Core Ideas, 1 Science and Engineering Practice
About Teaching Climate Literacy
4.1 Humans transfer and transform energy.
4.5 Electri... | <urn:uuid:a39f332f-09eb-4727-9170-ea6f1b71a5ee> | 3.625 | 525 | Content Listing | Science & Tech. | 38.370072 | 95,645,456 |
Population biology of alpine plants
Extreme climate conditions (i.e., a cold winter and a short summer with significant fluctuations in temperature between day and night) is the main stress factor in alpine habitats. Consequently, alpine plants must adapt their age population structure and growth strategy to the fluctu... | <urn:uuid:011f1817-2461-4e2f-a2be-eceea32a76ce> | 3.6875 | 126 | Truncated | Science & Tech. | 26.35875 | 95,645,492 |
Interaction domain on proteins that modulate this potent hormone allows them to stack back-to-front like button magnets
Wikipedia lists 65 adjectives that botanists use to describe the shapes of plant leaves. In English (rather than Latin) they mean the leaf is lance-shaped, spear-shaped, kidney-shaped, diamond shaped,... | <urn:uuid:9e6c4d92-67e0-4379-b58e-7dc5857814bb> | 3.34375 | 2,228 | Content Listing | Science & Tech. | 44.46673 | 95,645,505 |
Quasi-periodic variation in sea-surface temperature, precipitation, and sea-level pressure in the equatorial Pacific known as the El Niño &8211; Southern Oscillation (ENSO) is an important mode of interannual variability in global climate. A collapse of the tropical Pacific onto a state resembling a so-called &8216;per... | <urn:uuid:645611ad-c6b5-445b-93b4-14624a5d9c34> | 2.921875 | 332 | Academic Writing | Science & Tech. | 0.057342 | 95,645,601 |
Authors: Nainan K. Varghese
Abstract: This article attempts to give a simple and logical explanation to tidal mechanism, based on a radically different dynamics, presented in book ‘MATTER Re-examined)’ . Tides are caused by (accelerating) actions of external efforts on a linearly moving spinning-macro body. Each extern... | <urn:uuid:0a478142-ec40-4086-a475-a95342d5fd04> | 3.03125 | 304 | Academic Writing | Science & Tech. | 34.333333 | 95,645,608 |
Application of Nuclear Calculation Methods to the Planning of Radiation Treatment with Gamma Rays
Computer programs have been developed in recent years for the design of nuclear reactors with improved shielding; these can be applied in radiology to provide a theoretical basis for earlier experimental work and semi-empi... | <urn:uuid:1805471e-a23a-4d76-83da-e739c7cb31d7> | 2.6875 | 525 | Academic Writing | Science & Tech. | 51.137538 | 95,645,614 |
Streamlined sharks are legendary for their effortless swimming. George Lauder from Harvard University, USA, explains that the fish have long inspired human engineers, but more recently attention has focused on how the fish's remarkable skin boosts swimming.
Coated in razor sharp tooth-like scales, called denticles, the... | <urn:uuid:c7e126ec-98af-4b54-aa7f-be710d95e132> | 3.4375 | 1,532 | Truncated | Science & Tech. | 49.880906 | 95,645,649 |
Scientists at Helmholtz Zentrum München have succeeded in stimulating the regeneration of injured neurons in living fish by the use of light. To this end, they employed so-called Optogenetics, i.e. light inducible protein activation. The results have recently been published in the journal ‘Current Biology’.
The nervous... | <urn:uuid:4e6dc353-09fd-410e-801c-c3e3ee8f891f> | 3.484375 | 1,761 | Content Listing | Science & Tech. | 37.428101 | 95,645,660 |
Amateur astronomy has undergone a revolution in the last few years, thanks to the advent of affordable sophisticated technology. A modern amateur’s computer-controlled telescope can find and then track any celestial body. The CCD astrocamera plugged into it can obtain images that years ago would have required a large p... | <urn:uuid:649e3b90-d213-45cb-9aa2-ceba41284420> | 2.859375 | 152 | Truncated | Science & Tech. | 28.935194 | 95,645,685 |
Freshwater ecosystems in northern regions are home to significantly more species of water fleas than traditionally thought, adding to evidence that regions with vanishing waters contain unique animal life.
The new information on water fleas -- which are actually tiny crustaceans -- comes from a multi-year, internationa... | <urn:uuid:d8f15cdb-fa46-4bb6-9457-ab6fd4d421ce> | 3.578125 | 850 | Content Listing | Science & Tech. | 37.000757 | 95,645,694 |
Google presents a new technology at the climate change conference in Copenhagen that helps scientists track global deforestation.
At the International Climate Change Conference in Copenhagen, search giant Google demonstrated a technology prototype that enables online, global-scale observation and measurement of changes... | <urn:uuid:4a26b1fc-899d-4266-b4a2-f6a2d3bdc01d> | 3.40625 | 395 | News Article | Science & Tech. | 24.587671 | 95,645,709 |
Authors: Eric Su
A standing wave consists of two identical waves moving in opposite direction. A frequency detector moving toward the standing wave will detect two different frequencies. One is blueshifted, the other is redshifted. The distance between two adjacent nodes in the standing wave is equal to half of the wav... | <urn:uuid:ee4eba94-ce92-4562-9965-a032cd87e7d5> | 3.9375 | 295 | Academic Writing | Science & Tech. | 43.112623 | 95,645,733 |
Paris, 24 Sep 2002
Tales of asteroids or comets in a collision course with the Earth are always good to fill space in newspapers during the quiet summer months. Is there any truth in these tales of impending doom and if so, what is ESA doing about it?
Certainly if a large comet or asteroid were to collide with the Eart... | <urn:uuid:bef899a9-f224-4686-b81f-a239608898c0> | 3.703125 | 1,287 | News (Org.) | Science & Tech. | 44.326785 | 95,645,738 |