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- Research news
- Open Access
The genome that feeds the world
© BioMed Central Ltd 2002
Published: 5 April 2002
Rice is one of the most highly consumed cereals in the world and is the staple diet of over half the world's population. In the April 5 Science, two independent groups report the first draft sequences of the ... | <urn:uuid:43042ba1-bb6a-476a-a8be-f680f527927a> | 3.015625 | 801 | Truncated | Science & Tech. | 43.652712 | 95,622,426 |
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Unformatted text preview: Physics 227N/232N Quiz 4 - February 28, 2013 5-7. Name‘ - _ Group: __qO/— l I will uphold the Honor Code: \ql. Capacitance
If a piece of plastic is placed between the plates of a capacitor and ... | <urn:uuid:c71ef4bb-700e-4537-bd63-6fed9e4c66bc> | 2.90625 | 445 | Truncated | Science & Tech. | 104.226587 | 95,622,455 |
One of the world's deadliest mosquitoes sustains its taste for human blood thanks in part to a genetic tweak that makes it more sensitive to human odor, according to new research.
Researchers report in the journal Nature that the yellow fever mosquito contains a version of an odor-detecting gene in its antennae that is... | <urn:uuid:8de06199-ac1a-4499-a829-29adee7c40bc> | 3.484375 | 1,701 | Content Listing | Science & Tech. | 35.261728 | 95,622,456 |
8. Radius of Curvature
By M. Bourne
We can draw a circle that closely fits nearby points on a local section of a curve, as follows.
Application of Radius of Curvature
When engineers design train tracks, they need to ensure the curvature of the track will be safe and provide a comfortable ride for the given speed of the... | <urn:uuid:34bc627e-b9e3-427d-a6c3-04fbb2cda885> | 4.40625 | 3,056 | Tutorial | Science & Tech. | 75.92692 | 95,622,457 |
An Introduction to Atmospheric Radiation
This Second Edition of An Introduction to Atmospheric Radiation has been extensively revised to address the fundamental study and quantitative measurement of the interactions of solar and terrestrial radiation with molecules, aerosols, and cloud particles in planetary atmosphere... | <urn:uuid:78ec3c07-608d-4e32-a658-d6f4cba36a5d> | 2.828125 | 380 | Truncated | Science & Tech. | -83.83564 | 95,622,470 |
Darwinists have called it one of “nature’s worst designs,” “obviously a ridiculous detour,” asserting that “no engineer would ever make a mistake like that.”
The giraffe is one of those all-star icons of evolution, familiar from textbook covers, that falls apart on closer inspection.
Darwin thought everything evolved f... | <urn:uuid:9cc526be-1818-41ce-8ed0-09ad466b2ff7> | 2.53125 | 214 | Content Listing | Science & Tech. | 27.06951 | 95,622,481 |
|appender||Specifies the name of the appender it buffers messages for. The appender specified must be defined somewhere in the configuration file, not necessarily before the definition of Log::Log4perl::Appender::Buffer.|
|max_messages||Specifies the maximum number of messages the appender will hold in its ring buffer.... | <urn:uuid:d5521475-44e3-4b40-8047-7451bca86301> | 2.515625 | 722 | Documentation | Software Dev. | 37.197581 | 95,622,495 |
Transport mechanism of suspended matter above the shelf slope at the mouth of Tokyo Bay
Transport mechanism of suspended matter above the shelf slope is investigated with the use of the moorings of time-series sediment trap, current meter and nephelometer at three stations at the mouth of Tokyo Bay, Japan during 21 to ... | <urn:uuid:081b004f-f7c4-4a38-9bb5-3d2ed69efd72> | 2.71875 | 664 | Academic Writing | Science & Tech. | 73.316662 | 95,622,515 |
Schmidt, a UIC associate professor of biological sciences, determined paternity of 29 frozen embryos saved from a female whale shark caught off the coast of Taiwan in 1995. The embryos, studied in collaboration with Professor Shoou-Jeng Joung at the National Taiwan Ocean University, are extremely rare.
The pregnant sha... | <urn:uuid:344171fe-141b-4840-be20-a5e5b4740615> | 3.421875 | 1,214 | Content Listing | Science & Tech. | 39.022306 | 95,622,520 |
TeachMeFinance.com - explain Polar Jet Stream
Polar Jet Stream The term 'Polar Jet Stream' as it applies to the area of the weather can be defined as ' Used interchangably with Polar Jet; a jet stream marked by a concentration of isotherms and strong vertical shear, this jet is the boundary between the polar air and th... | <urn:uuid:4768d2bd-08bf-4bef-bd22-cc1e0a5d17e9> | 2.921875 | 252 | Knowledge Article | Science & Tech. | 46.818971 | 95,622,527 |
"The second law of thermodynamics states that the entropy of an isolated system never decreases due to the fact that isolated systems spontaneously evolve towards thermodynamic equilibrium"¹. Thermodynamic equilibrium is the state of maximum entropy.
The second law of thermodynamics can be understood and explained usin... | <urn:uuid:ca77d102-100d-448d-bc7e-018922e69364> | 3.40625 | 257 | Knowledge Article | Science & Tech. | 35.500879 | 95,622,529 |
Authors: Nainan K. Varghese
Abstract: By simple mechanics, it is impossible for a free macro body to orbit around another moving macro body, in any type of closed geometrical path. However, while considering two-body problems, relative parameters of macro bodies are considered with one of them steady in space. This sim... | <urn:uuid:bf4647ca-66b1-4619-9392-e3c5f8939844> | 2.859375 | 434 | Academic Writing | Science & Tech. | 24.348729 | 95,622,544 |
BAS Marine Ecologist, University College Cork, UK
*Corresponding author: Barnes DKA, BAS Marine Ecologist, University College Cork, Republic of Ireland, Europe, British Antarctic Survey, NERC, Madingley Road, Cambridge, CB24 9PE, UK, Email: email@example.com
Submission: February 03, 2018; Published: March 19, 2018
ISSN... | <urn:uuid:e3ed8ad2-9405-4999-a0d3-1627345dc76b> | 2.8125 | 327 | Academic Writing | Science & Tech. | 16.785111 | 95,622,579 |
GPS, Radiodating, and Plate Tectonics
The second article by @Joel_Duff to read shows how GPS (which gives us position on the earth), radiodating of ancient rocks (to get their age) work together to show us that the earth looks old. The key forumula is the same we used to date DNA (Heliocentric Certainty Against a Bottl... | <urn:uuid:8cd8f979-5d85-4ce7-964d-2016c650c0ce> | 3.5625 | 326 | Comment Section | Science & Tech. | 52.406923 | 95,622,589 |
July 28 2010 Astronomy Newsletter
Some readers have asked for help in learning what's in the night sky, so that's my theme for this week.
Here are two new articles from the Astronomy site at BellaOnline.com.
Absolute Beginners - Start Skywatching
You'd like to know the night sky? But you haven't a got a telescope, live... | <urn:uuid:b872dff0-8bc5-4d02-be7f-b3d1b372e9ad> | 2.96875 | 664 | Personal Blog | Science & Tech. | 61.134749 | 95,622,602 |
We already know that large-scale wind and solar are becoming competitive without subsidies in some parts of the world, even while fossil fuels remain hooked on government support.
Now, as reported by TV network YLE, a team of researchers at Finnish universities has shown that a rapid transition to wind and solar in the... | <urn:uuid:92f9c357-6952-41ef-9037-d0c634ad5068> | 2.84375 | 355 | Nonfiction Writing | Science & Tech. | 26.311139 | 95,622,630 |
We could better understand how earthquakes work thanks to new nanoscale research which studies the relationships between water, friction and mineral chemistry.
This was completed by scientists at the University of Illinois, who used microscopic friction measurements to find that some rocks can dissolve and may cause fa... | <urn:uuid:2a4ae703-d54b-4fa4-999f-bf1c23163b1e> | 4.09375 | 708 | News Article | Science & Tech. | 22.503689 | 95,622,631 |
Plans to drill deep beneath the frozen wastes of the Antarctic, to investigate subglacial lakes where ancient life is thought to exist, may have to be reviewed following a discovery by a British team led by UCL (University College London) scientists at the Natural Environment Research Council (NERC)Centre for Polar Obs... | <urn:uuid:87c17326-9092-47e3-9f6b-af7c7ba287c0> | 3.734375 | 882 | Content Listing | Science & Tech. | 38.402395 | 95,622,643 |
1. a metal sphere has a charge of +8.0 micro C. What is the charge after 6.0 x 10^13 electrons have been placed on it?
2. Two Charge attract each other with force of 1.5N. What will be the force if the distance is reduced to one ninth of it original value.© BrainMass Inc. brainmass.com July 18, 2018, 10:17 am ad1c9bddd... | <urn:uuid:d8fa6b26-eda5-4624-9098-bffa0366c4fb> | 3.578125 | 136 | Q&A Forum | Science & Tech. | 96.552917 | 95,622,648 |
Question 8 load handel for i=1:73113 noise(i)=cos(100*i*0.1); end x=y+noise'; sound(x)
Noise in communication systems: probability and random signals I = imread('peppers.png'); imshow(I); noise = 1*randn(size(I)); Noisy = imadd(I,im2uint8(noise)); imshow(Noisy);
Noise in communication systems: probability and random si... | <urn:uuid:9732dff6-3acb-4a83-b3d4-b7bdd5b2e83c> | 3.5625 | 1,161 | Truncated | Science & Tech. | 58.477663 | 95,622,655 |
How can the Universe be studied? There is no way to affect a research object of infinite dimensions. It means that the research can only be carried out via observations, employing all methods available. To this end scientists have been inventing more and more powerful telescopes which would enable them to examine close... | <urn:uuid:b90fecc8-8e38-4170-be16-5eb4fc01b0da> | 3.765625 | 1,103 | Content Listing | Science & Tech. | 37.649686 | 95,622,658 |
Can radiocarbon dating date
By measuring the ratio of the radio isotope to non-radioactive carbon, the amount of carbon-14 decay can be worked out, thereby giving an age for the specimen in question.
One rare form has atoms that are 14 times as heavy as hydrogen atoms: carbon-14, or C ratio gets smaller.
A common misco... | <urn:uuid:aa009f6f-6896-488c-b979-3c66a0465474> | 3.71875 | 163 | Knowledge Article | Science & Tech. | 55.495103 | 95,622,693 |
The findings come as an increasing number of studies – of both lab animals and humans – are revealing that some synthetic chemicals in household products can cause health problems by interfering with normal hormone action.
Called endocrine disruptors, or endocrine disrupting substances (EDS), such chemicals have been l... | <urn:uuid:e0c96a1a-53cb-480d-a2d7-0bb19fb4b30b> | 3.09375 | 1,002 | Content Listing | Science & Tech. | 30.720588 | 95,622,702 |
Type Function Library io.* Return value String, Number, or
Revision 2018.3333 Keywords io, read, file See also io.open() io.input()
Reads the file set by io.input(), according to the given formats which specify what to read. For each format, the function returns a string or a number with the characters read, or
nil if ... | <urn:uuid:2aadc1fd-4803-40e6-9d97-48935a34bc13> | 3.859375 | 262 | Documentation | Software Dev. | 77.026991 | 95,622,710 |
Biology Question #2572
stephanie, a 13 year old female from windsor asks on February 13, 2005,
Why can't spruce trees compete with maple trees in more southern forests? What advantages do the maple trees have?
viewed 14211 times
answered on February 19, 2005
The answer is surface area. The bigger the leaves the more en... | <urn:uuid:0d0bfdf4-8559-485e-853d-6d8d1e46cead> | 3.765625 | 326 | Q&A Forum | Science & Tech. | 66.645758 | 95,622,716 |
Projectional Editing: The Future of Programming
Projectional Editing: The Future of Programming
Learn about the Projectional Editor technology for programming, how it's being used to create domain-specific languages, and more.
Join the DZone community and get the full member experience.Join For Free
Discover how quick ... | <urn:uuid:daa3f38c-d489-4de0-9e7d-73b3248cc956> | 3.015625 | 1,014 | Truncated | Software Dev. | 45.667802 | 95,622,746 |
I’ve started with Ideals in ring theory but still not comfortable with the analogy it has with normal subgroups in group theory.Like we can visualize normal subgroups as
Is there some good intutive way to visualize Ideals to see the analogy?
These two pictures give a reasonable description of how cosets work, but they ... | <urn:uuid:45e6a96e-58df-4917-af40-a4a91129fc06> | 2.796875 | 577 | Personal Blog | Science & Tech. | 61.410404 | 95,622,753 |
Advanced Assembler Directives
- The syntax of this directive is
ORIGIN <address specification>
where <address specification> is an <operand specification> or <constant>.
- This directive instructs the assembler to put the address given by <address specification> in the location counter.
- The ORIGIN statement is useful... | <urn:uuid:6b18e824-e7ec-40e2-9292-707e64e055e7> | 3.796875 | 632 | Documentation | Software Dev. | 38.46516 | 95,622,759 |
Artist’s impression of NASA’s Solar Probe Plus spacecraft on approach to the sun. Set to launch in 2018, Solar Probe Plus will orbit the sun 24 times, closing in with the help of seven Venus flybys. The spacecraft will carry 10 science instruments specifically designed to solve two key puzzles of solar physics: why the... | <urn:uuid:c03d2ca3-c98d-461f-a5a0-0acb1c615a23> | 3.5 | 3,605 | News (Org.) | Science & Tech. | 44.517716 | 95,622,763 |
Findings reported this week reveal how an evolutionary innovation involving the sharing of genes between two ant species has given rise to a deep-seated dependency between them for the survival of both species populations. The new work illustrates how genetic exchange through interbreeding between two species can give ... | <urn:uuid:317b2e19-bb2b-4aa3-a13b-693b4cfbe11c> | 3.796875 | 1,227 | Content Listing | Science & Tech. | 34.632899 | 95,622,764 |
Greenhouse Gases Observing Satellite
Planned: 5 years |
Elapsed: 9 years, 5 months, 25 days
|Launch mass||1,750 kilograms (3,860 lb)|
|Start of mission|
|Launch date||23 January 2009, 03:54UTC|
|Launch site||Tanegashima Yoshinobu 1|
|Perigee||674 kilometres (419 mi)|
|Apogee||676 kilometres (420 mi)|
|Epoch||25 January... | <urn:uuid:46cb4f8b-466c-4d16-909a-d117a13af9c7> | 3.34375 | 856 | Knowledge Article | Science & Tech. | 47.854217 | 95,622,789 |
A New Technique of Tollmien-Schlichting Wave Cancellation in a Sound-Exposed Boundary Layer
It is well know that sound can reduce the laminar portion of a boundary layer. Sound reflects from a wing surface and generates unstable waves (Tollmien-Schlichting waves) which undergo linear amplification and non-linear intera... | <urn:uuid:5aa71ef9-0a41-407a-ad72-27984864bc6e> | 2.953125 | 581 | Academic Writing | Science & Tech. | 47.82512 | 95,622,791 |
- Open Access
Flexibility of foraging strategies of the great skua Stercorarius skua breeding in the largest colony in the Barents Sea region
© The Author(s). 2018
Received: 8 November 2017
Accepted: 15 March 2018
Published: 23 March 2018
Foraging strategies of seabird species often vary considerably between and within... | <urn:uuid:6dae8566-508d-49d0-8625-27bed9a6765c> | 2.71875 | 11,607 | Truncated | Science & Tech. | 57.31899 | 95,622,804 |
What is web development? Without the ever-important web developer, your business website could not exist. Meaning an understanding of what a web developer does can help understand your online presence.
IN A RUSH?! Click for our <90 second snapshot
How? Read on….
How To Define Website Development
Web development often r... | <urn:uuid:44d269d5-25ff-45f8-8e1d-384a1a821d74> | 2.734375 | 1,092 | Knowledge Article | Software Dev. | 33.568484 | 95,622,812 |
Determination of the Effective Surface of a Spent Spacecraft to Take into Account the Influence of Light Pressure on its Motion
A method for determining the effective surface area of a spent satellite depending on its spatial orientation is suggested on the example of the GLONASS spacecraft (SC). To determine the effec... | <urn:uuid:b12eb9de-64d8-4ca0-8d45-6c9fe62e014a> | 2.859375 | 352 | Academic Writing | Science & Tech. | 50.785268 | 95,622,877 |
Black holes make for a perplexing subject matter, don’t you think! Questioning reality and the physical form take us further into these enigmas, shedding light on new ideas.
The magic of black holes
So, what’s the big deal anyway? What is so interesting about this subject?
Black holes are interesting due to the power o... | <urn:uuid:a2863296-16a3-4c77-aecb-b02a602d3abc> | 2.984375 | 990 | Personal Blog | Science & Tech. | 51.011312 | 95,622,880 |
Geometrical Optics Multiple Choice Questions 22 PDF Download
Practice geometrical optics MCQs, grade 10 physics test 22 for online courses learning and test prep, spherical mirrors multiple choice questions and answers. Spherical mirrors revision test includes physics worksheets to learn.
Physics multiple choice questi... | <urn:uuid:77bd4350-0894-415b-ade0-0ec6ae954c0c> | 3.15625 | 331 | Tutorial | Science & Tech. | 85.985071 | 95,622,892 |
[This post is part of my activities as M.Sc. Software Engineering student in University of Amsterdam]
Software testing is an important process during software development. Software developers and testers spend a lot of time and effort to create effective test cases and integrate the testing process in their workflow in... | <urn:uuid:21cf92f4-0f25-4a6a-97fa-db7ce6d5fd95> | 2.6875 | 1,943 | Personal Blog | Software Dev. | 35.748889 | 95,622,898 |
Species Detail - Northern Spinach (Eulithis populata) - 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).
i... | <urn:uuid:422d0c33-6c7c-4793-85be-e0e2e02bbcbe> | 2.515625 | 142 | Structured Data | Science & Tech. | 37.074 | 95,622,900 |
Rocket launches from Poker Flat Research Range
FOR IMMEDIATE RELEASE: Feb. 20, 2012
CONTACT: Geophysical Institute science writer Ned Rozell, 907-474-7468, email@example.com
Fairbanks, Alaska—On Saturday, Feb. 18 at 8:41 p.m. Alaska time, scientists launched a NASA sounding rocket from Poker Flat Research Range into a ... | <urn:uuid:4727e822-9c42-485c-944d-a3cd76842758> | 2.9375 | 719 | News (Org.) | Science & Tech. | 49.526696 | 95,622,903 |
Harvard scientists are helping to paint the fullest picture yet of how a handful of factors, particularly world-wide increases in atmospheric carbon dioxide, combined to end the last ice age approximately 20,000 to 10,000 years ago.
As described in a paper published April 5 in Nature, researchers compiled ice and sedim... | <urn:uuid:36860594-9b75-4671-84da-8df3d8f289a6> | 3.984375 | 1,682 | Content Listing | Science & Tech. | 41.93856 | 95,622,904 |
Listen to the Betty Boops of the insect world as they "boop oop a doop" in the hive.
And I thought the squeaks of a baby sloth were cute? Well, they are ... but they've got some tough competition from a very surprising source: Whooping honeybees.
So it isn't new news that honeybees make a vibrational pulse to communica... | <urn:uuid:fc00b972-b1ea-477f-9eea-c8cbc79d41d7> | 3.015625 | 470 | News Article | Science & Tech. | 52.407393 | 95,622,906 |
People staying in tune with the news about renewable energy will be well aware how solar energy in the last decade has been a cycle of ups and downs. However, it appears this year marks the best year for solar energy so far. How did this happen?
China is on its way to become the first "Green Superpower" through buildin... | <urn:uuid:9d2f7421-e402-4040-9345-19c84864270e> | 3.1875 | 578 | Content Listing | Science & Tech. | 48.441492 | 95,622,921 |
- This Annex defines facilities for supporting the implementation of
distributed systems using multiple partitions working cooperatively as part
of a single Ada program.
- A distributed system is an interconnection of one or more processing
nodes (a system resource that has both computational and storage
capabilities),... | <urn:uuid:925d872c-b0d7-4195-9cbb-6874c75349f0> | 2.5625 | 405 | Documentation | Software Dev. | -5.049355 | 95,622,949 |
Newton’s method for finding roots:
In optimization we are essentially finding roots of derivative.
We are approximating function using Taylor series. We are finding minimum of this approximated function. This root will be our new guess. This perspective is used in derivation.
Andrew N.G Lecture
| Gradient Descent
|| S... | <urn:uuid:4fdf591c-49f6-4f86-8c16-5fdd6e872198> | 2.78125 | 651 | Personal Blog | Science & Tech. | 27.108661 | 95,622,964 |
The NOAA Collection within the Bridge Ocean Science Education Resource Center is a selection of exemplary NOAA resources that have been reviewed by educators and selected as particularly well-suited for educational purposes.
Find NOAA Education Resources
Find NOAA education resources on the Bridge by entering a search ... | <urn:uuid:930ba76f-ee2f-4281-ba83-564298f50377> | 2.578125 | 185 | Content Listing | Science & Tech. | 1.708851 | 95,622,991 |
A photonic crystal is a periodic optical nanostructure that affects the motion of photons in much the same way that ionic lattices affect electrons in solids. Photonic crystals occur in nature in the form of structural coloration and animal reflectors, and, in different forms, promise to be useful in a range of applica... | <urn:uuid:ec0005b0-9aa1-47f7-8c50-42664d84bb4d> | 3.703125 | 6,169 | Knowledge Article | Science & Tech. | 51.146836 | 95,622,996 |
About this book
This book is an introduction to the theory of Hilbert space, a fundamental tool for non-relativistic quantum mechanics. Linear, topological, metric, and normed spaces are all addressed in detail, in a rigorous but reader-friendly fashion. The rationale for an introduction to the theory of Hilbert space,... | <urn:uuid:7e864588-1156-4c75-b925-329349a80e0b> | 2.84375 | 358 | Product Page | Science & Tech. | 37.717036 | 95,623,035 |
This image of Tassiusaq Fjord on the west coast of Greenland shows a moraine -- a pile of boulders and other debris pushed up by a glacier which has long since retreated inland. Scientists at Ohio State University and their colleagues will use plant material found in moraines to gauge the flow and retreat of glaciers o... | <urn:uuid:0246ed91-ca04-4759-9bee-9f5808e11815> | 4.0625 | 943 | Content Listing | Science & Tech. | 42.30661 | 95,623,038 |
Researchers have developed powerful new techniques to see in unprecedented detail how blood-forming cells develop in zebrafish. The scientists have used this system to transplant blood cells with fluorescent "tags" so they can observe how the cells restore the blood system in mutant zebrafish that do not have any red b... | <urn:uuid:ffaf9b64-82f8-4bd2-9484-1871d4566201> | 2.984375 | 797 | Content Listing | Science & Tech. | 38.256252 | 95,623,074 |
Chlorocypha schmidti Pinhey, 1967
Type locality: Mt Hoyo, Bunia, Ituri, DRC
Male belongs to several species with (a) head all black or with yellowish, brown or green spots, but no blue markings; (b) at least mid and hind tibiae with anterior white streaks; (c) Abd all red, sometimes gradually becoming yellow towards en... | <urn:uuid:9c8aab95-c164-4839-9441-3967d782ef3a> | 2.71875 | 433 | Knowledge Article | Science & Tech. | 75.226847 | 95,623,080 |
Tuesday, July 17, 2018
Science and Technology Research News
Tag: Twin Otter
Laser Mapping Project Shows Effects of Physical Changes in Antarctica’s Dry...
August 8, 2017
Researchers funded by the National Science Foundation (NSF) have publicly released high-resolution maps of Antarctica's McMurdo Dry Valleys, a globall... | <urn:uuid:6099759a-56fb-4574-bea9-c32dc1ca981a> | 2.5625 | 106 | Content Listing | Science & Tech. | 45.196892 | 95,623,092 |
AbstractTo study desertification processes relating to soil erosion, a climatological and altitudinal gradient from south to north was selected in Crete (Greece) and four locations were selected along the gradient. At the locations precipitation ranged from 1400 mm/year at the highest location to 400 mm/year at the low... | <urn:uuid:3d89059e-9385-4720-8383-a50cf28737bc> | 3.171875 | 331 | Academic Writing | Science & Tech. | 23.751271 | 95,623,119 |
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.
Analysis of Individual Copernicus Scans of a Star
One the useful aspects of the Copernicus archive is that... | <urn:uuid:cb4d2b68-993a-4b39-90a1-f6ce25771bef> | 3.078125 | 1,633 | Tutorial | Science & Tech. | 57.747693 | 95,623,121 |
The star, known as EV Lacertae, isn’t much to write home about. It’s a run-of-the-mill red dwarf, by far the most common type of star in the universe. It shines with only one percent of the Sun’s light, and contains only a third of the Sun’s mass. At a distance of only 16 light-years, EV Lacertae is one of our closest ... | <urn:uuid:0eee9bca-0564-442f-aeb3-809464bf4d80> | 3.765625 | 1,331 | Content Listing | Science & Tech. | 46.657885 | 95,623,144 |
“Central America is a major, emerging “hot spot” in the tropics where climate change impacts on the environment will be pronounced, and the loss of species associated with climate has already been identified,” says doctoral candidate Ambarish Karmalkar of the UMass Amherst Climate System Research Center.
He recently at... | <urn:uuid:5b38eae9-1933-487e-ba49-5b16e41d7f4d> | 3.96875 | 1,385 | Content Listing | Science & Tech. | 29.924205 | 95,623,156 |
Astronomers used Chandra to observe a neutron star, known as RX J0822-4300, over a period of about five years. During that span, three Chandra observations clearly show the neutron star moving away from the center of the Puppis A supernova remnant. This remnant is the stellar debris field created during the same explos... | <urn:uuid:d94944c6-9119-439e-97a2-1e0e8bfb1d07> | 3.6875 | 1,208 | Content Listing | Science & Tech. | 47.392149 | 95,623,164 |
The term pedotransfer function was coined by Johan Bouma as translating data we have into what we need. The most readily available data come from soil survey, such as field morphology, soil texture, structure and pH. Pedotransfer functions add value to this basic information by translating them into estimates of other ... | <urn:uuid:cc984220-4b89-443c-a951-1c76acb6046e> | 3.4375 | 1,245 | Knowledge Article | Science & Tech. | 38.557578 | 95,623,169 |
Monodromy and normal forms
We discuss the history of the monodromy theorem, starting from Weierstraß, and the concept of a monodromy group. From this viewpoint we compare then the Weierstraß, the Legendre and other normal forms for elliptic curves, explaining their geometric meaning and distinguishing them by their sta... | <urn:uuid:42022fb1-836a-4842-a32e-5258aa181b35> | 2.765625 | 189 | Truncated | Science & Tech. | 42.336081 | 95,623,221 |
(Washington, DC)—We know poisonous snakes are dangerous, but what exactly makes venom so powerful? Evolutionary biology tells us why venom is useful for snakes, but chemistry tells us how venom works. This week, Reactions sheds some light on the proteins in venom, as well as its potential medical uses. Check it out her... | <urn:uuid:c08fb71f-1884-4dc4-bdf2-f21159f9658d> | 3.40625 | 160 | Truncated | Science & Tech. | 48.295966 | 95,623,232 |
Acoustic resonance is the tendency of an acoustic system to absorb more energy when it is forced or driven at a frequency that is the same as one of its own natural frequencies of vibrations. Acoustic resonance is sometimes used to narrow mechanical resonance to the frequency range of human hearing. Since acoustics is ... | <urn:uuid:7277212f-6e0c-4066-8436-6169d5c121c4> | 4.21875 | 242 | Knowledge Article | Science & Tech. | 33.291875 | 95,623,234 |
Facebook volunteers and work-at-home moms might be making city planning decisions, thanks to AI research conducted by MIT scientists. Researchers from MIT’s media lab have been feeding computers a steady stream of data for the last four years to build an AI capable of determining why some cities grow and others decay.
... | <urn:uuid:52891a98-9c71-42fc-b0f9-866ed2b15ff1> | 3.25 | 556 | News Article | Science & Tech. | 41.222867 | 95,623,238 |
Now showing items 11-13 of 13
Small-scale species richness in forest canopy gaps: the role of niche limitation versus the size of the species pool
(Opulus Press, 1998-06)
The form of the relationship between local species richness and the number of species in the surrounding region can be used as a test between competi... | <urn:uuid:682b7369-cf15-4fe3-98aa-d1a8198e5cd2> | 2.609375 | 256 | Content Listing | Science & Tech. | 35.510714 | 95,623,243 |
The Unruly Galaxy
Published on February 6, 2016 by Jacqueline Taylor
A side-portrait of LO95 0313-192. Credit: ESA/Hubble & NASA; acknowledgement, Judy Schmidt
Breaking astronomers’ standards one billion light years away is an unusual and oddly named galaxy, whose abnormalities have raised important questions about jet... | <urn:uuid:dce795e4-3ad5-40c4-8df0-7b1dd851a0a7> | 3.71875 | 296 | News (Org.) | Science & Tech. | 29.804109 | 95,623,258 |
Although numerous studies concerning the Holocene climate of the southern Iberian Peninsula were accomplished within the last few decades, the climate history of this region is still poorly understood. Various studies deal with a combination of proxies, which are neither easy to compare nor is their connection easy to ... | <urn:uuid:1d4cc297-4546-48d8-ac3d-af201a908947> | 2.828125 | 519 | Truncated | Science & Tech. | 27.116487 | 95,623,268 |
Download file to see previous pages...
However, more dedicated effort needs to be taken up in this regard.
The Giant Panda is a peaceful creature (WWF, 2015). The black and white fur of the animal is its distinctive feature of the animal and the animal is adored worldwide and in China. The animal belongs to the kingdom... | <urn:uuid:7af50e9d-1622-471c-8502-ff0e905b6737> | 3.515625 | 1,049 | Academic Writing | Science & Tech. | 43.108875 | 95,623,270 |
Use these controls to find questions to answer
Dear friends, Please read our latest blog post for an important announcement about the website. ❤, The Socratic Team
Follow explanation. LCDs are better.
It seems that LCD TV’s are environmentally friendly if you want good quality and low energy consumption.
Plasma: This p... | <urn:uuid:f5abe5d8-9f4e-4b18-8baa-63b85bbcfcdb> | 3.03125 | 1,292 | Q&A Forum | Science & Tech. | 38.697689 | 95,623,283 |
North-south asymmetry in small and large sunspot group activity and violation of even-odd solar cycle rule
- 118 Downloads
According to Gnevyshev-Ohl (G-O) rule an odd-numbered cycle is stronger than its preceding even-numbered cycle. In the modern time the cycle pair (22, 23) violated this rule. By using the combined ... | <urn:uuid:a590c408-af81-4614-befc-57703d598c31> | 2.875 | 473 | Academic Writing | Science & Tech. | 49.991669 | 95,623,292 |
A comparison of crystals of calcium sulfate dihydrate grown in two different gel media, sodium silicate gel and bentonite clay gel, shows that the two media affect crystal habit and surface topography differently. Those crystals grown in silica gel at 40°C and pH 7.5 consist of elongated prisms, exhibit relatively smoo... | <urn:uuid:01deb441-e40d-4844-8173-2c34d2c886a9> | 2.984375 | 180 | Academic Writing | Science & Tech. | 30.553927 | 95,623,295 |
New technology developed by bioengineers at the University of California, Berkeley, promises to make a workhorse lab tool cheaper, more portable and many times faster by accelerating the heating and cooling of genetic samples with the switch of a light.
This turbocharged thermal cycling, described in a paper to be publ... | <urn:uuid:806cafa2-91c5-489b-b109-dd9171456e4c> | 3.59375 | 1,619 | Content Listing | Science & Tech. | 43.909288 | 95,623,320 |
THE HIDDEN SCENTS OF SUMMER
Using pheromones to attract a mate.
A number of other British butterflies have similar sex scales. In some species they are woven into the patchwork of scales that cover the entire surface of the wing, while in others, like the silver-washed fritillary, there are very obvious concentrated an... | <urn:uuid:c9ff6e3d-9f19-4a5f-a32b-479b800f366d> | 2.71875 | 133 | Truncated | Science & Tech. | 35.586477 | 95,623,338 |
The surface wave magnitude () scale is one of the magnitude scales used in seismology to describe the size of an earthquake. It is based on measurements in Rayleigh surface waves that travel primarily along the uppermost layers of the Earth. It is currently used in People's Republic of China as a national standard (GB ... | <urn:uuid:c4e02fd5-4d5b-4050-9b00-c384396c0574> | 3.953125 | 848 | Knowledge Article | Science & Tech. | 45.995435 | 95,623,343 |
- Open Access
Rolling Pampas agroecosystem: which landscape attributes are relevant for determining bird distributions?
© Weyland et al.; licensee Springer. 2014
Received: 1 August 2013
Accepted: 6 December 2013
Published: 26 March 2014
Agricultural intensification is among the main factors affecting biodiversity. The ... | <urn:uuid:6fae1d4e-1e67-4457-97c4-d663e75785df> | 3.46875 | 10,022 | Academic Writing | Science & Tech. | 41.645144 | 95,623,352 |
To determine whether genetic constraints on adaptive evolution were operating in a laboratory population of a flour beetle, Tribolium castaneum, we first estimated the direct selection acting on each of several body size traits. Strong selection in males for an increase in pupal weight and a decrease in the ratio of ad... | <urn:uuid:898f95f6-55c4-422b-855a-82f8f37fc121> | 3.15625 | 251 | Academic Writing | Science & Tech. | 14.931667 | 95,623,380 |
Introductory Remarks on Remote Sensing
The increased potentialities of the remote sensing techniques—in particular the new methods outside the visible part of the electromagnetic spectrum—and the growing experience in a variety of civil applications during the last decade demonstrated new ways to the solutions of many ... | <urn:uuid:3e12e8e1-4fb9-425d-b0fa-6d1d0c102709> | 2.796875 | 231 | Truncated | Science & Tech. | 4.977826 | 95,623,387 |
The results of a new study suggest that rising temperatures are leaving a mark on the world. According to a report published in the current issue of the journal Science, the first flowering of plants in Britain has changed by as much as 55 days over the past few decades in response to warmer weather. The results, the s... | <urn:uuid:d5ce62a9-9c13-4459-94b1-833461680e0c> | 4.15625 | 1,015 | Content Listing | Science & Tech. | 40.632117 | 95,623,388 |
NMR spectra — especially 2D spectra — contain a wealth of information. It is important, therefore, to be certain of the relative value of each single piece of information. There are “soft” clues or hints that can only be evaluated through experience and a knowledge of analogous findings, i.e., on the basic of empirical... | <urn:uuid:73fe2385-1001-4729-bf36-ecb5baf49ddb> | 2.953125 | 207 | Truncated | Science & Tech. | 46.356841 | 95,623,406 |
Ordered Join Geometries
In this chapter, as in the previous one, a new postulate is introduced. The postulate is equivalent to the familiar Euclidean property of linear order: If three distinct points are collinear, then one of the three is between the other two. Join geometries which satisfy the new postulate are call... | <urn:uuid:ab30c978-8981-4f77-9fee-baa27e31cf65> | 3.125 | 328 | Truncated | Science & Tech. | 28.053659 | 95,623,422 |
posted by Amy
Consider the reaction in aqueous solution:
6 HCl + 2 KMnO4 + 5 H2O2 ---> 5 O2 + 2 MnCl2 + 2 KCl + 8 H2O
1.) Write the total ionic equation.
2.) Write the net ionic equation.
3.) For each species (molecule or ion) in the net ionic equation, assign oxidation numbers to H, O, and Mn.
Instead of making this a... | <urn:uuid:f53c563c-b770-4949-a500-e8ba466b8dd4> | 3.78125 | 137 | Q&A Forum | Science & Tech. | 89.080204 | 95,623,423 |
Answers from the Whooping Crane Expert
Included in this Message:
Answers from the Whooping Crane Expert
Special thanks to ornithologist Laura Erickson for providing her time and expertise in responding to your questions below.
Q: Where in the continental US was the last place that the whooping cranes were known to nest... | <urn:uuid:8beb3a86-2bf2-4fca-84bb-a8a812968482> | 2.984375 | 2,407 | Q&A Forum | Science & Tech. | 60.983533 | 95,623,455 |
Physicists have devised a method for creating a special quantum entangled state. This state enables producing a high-precision ruler capable of measuring large distances to an accuracy of billionths of a metre.
Researchers have devised and demonstrated a novel approach to nanoactuation that relies on magnetomechanics i... | <urn:uuid:4ab99079-e6cb-4736-87cb-29d8b939edf7> | 3.046875 | 362 | Content Listing | Science & Tech. | 18.454169 | 95,623,503 |
How do astronomers determine planets orbit?
For a long time astronomers thought that the planets orbited in a perfect circular shape but Johannes Kepler revealed that their path were not perfect circle. Most planetary orbits are nearly circular but when Kelper carefully observed and calculated he had established that t... | <urn:uuid:12d4ae7a-511e-4d78-b651-33c6eed720cf> | 3.90625 | 1,398 | Personal Blog | Science & Tech. | 68.590516 | 95,623,527 |
Scaling law of average failure rate and steady-state rate in rocks
- 177 Downloads
The evolution properties in the steady stage of a rock specimen are reflective of the damage or weakening growth within and thus are used to determine whether an unstable transition occurs. In this paper, we report the experimental resul... | <urn:uuid:266df83d-31a8-483b-99d8-b3a8e8ef8270> | 2.53125 | 1,132 | Academic Writing | Science & Tech. | 60.739598 | 95,623,536 |
C++/WinRT is an entirely standard modern C++17 language projection for Windows Runtime (WinRT) APIs, implemented as a header-file-based library, and designed to provide you with first-class access to the modern Windows API. With C++/WinRT, you can author and consume Windows Runtime APIs using any standards-compliant C+... | <urn:uuid:ad1b5009-cb62-4185-8ef7-065efefdf672> | 2.859375 | 1,413 | Documentation | Software Dev. | 48.858005 | 95,623,555 |
WPF DataGrid (.NET 4) can be difficult to understand if you aren't used to thinking about objects and collections. This easy to follow introduction explains where the rows and columns have gone.
The big problem with most of the explanations of how the DataGrid and the examples that you will find is that they try to be ... | <urn:uuid:b3f8581c-f438-45a1-a37d-0ddadadca71a> | 3.234375 | 1,005 | Documentation | Software Dev. | 53.705946 | 95,623,573 |
Patrick Gatlin says his work measuring the height and width of raindrops using ground instruments provides an accuracy baseline that is then scaled up to ground radar and then to satellite measurements.
He is co-author of a paper on the topic (Tokay, Ali, Walter A. Petersen, Patrick Gatlin, Matthew Wingo, 2013: Compari... | <urn:uuid:6817f5da-7edf-4fbb-8f55-8811cc494f60> | 3.5625 | 1,627 | Content Listing | Science & Tech. | 36.810272 | 95,623,574 |
Researchers of the Luxembourg Centre for Systems Biomedicine (LCSB) of the University of Luxembourg have discovered with the help of computer models how gut bacteria respond to changes in their environment – such as a decrease in oxygen levels or nutrient availability.
Microorganisms that normally compete or overthrow ... | <urn:uuid:a553f18a-1afb-49cd-ac67-3452e498e815> | 3.8125 | 1,424 | Content Listing | Science & Tech. | 33.277891 | 95,623,575 |
A UWM professor recently helped DOE do just that by analyzing the DNA of a bacterium that can break down cellulose, the major structural component of plants that is also found in forestry by-products (including paper) and waste feedstocks.
Mark McBride, a professor of biological sciences, worked with DOE’s Joint Genome... | <urn:uuid:0f7e4fe0-eb9f-417b-9286-685b84a5afdd> | 3.015625 | 1,623 | Content Listing | Science & Tech. | 40.109666 | 95,623,604 |
Cadherin prevents cortical deformation
Scientists from the Mechanobiology Institute, Singapore (MBI) at the National University of Singapore (NUS) have discovered that cadherin clusters, which are well known for forming junctions between cells, also play a role in stabilising the cell cortex. The study was published in... | <urn:uuid:ad82ee30-edff-48bb-a64d-2fc3faee8e89> | 2.796875 | 1,618 | Content Listing | Science & Tech. | 34.129655 | 95,623,625 |
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|Scanning tunneling microscopy|
- 1 Characteristic X-ray Spectroscopy
- 2 X-ray emission spectroscopy
- 3 Other types of X-ray spectroscopy
- 4 See also
- 5 References
Characteristic X-ray Spectros... | <urn:uuid:5ddd1a8e-7d50-4abf-a941-4bf6e1a78ff1> | 3.546875 | 3,429 | Knowledge Article | Science & Tech. | 39.108151 | 95,623,637 |
The Nature of Mechanical Devices in Biological Systems
A mechanical device must have moving parts. Even the simplest lever turns about a fulcrum. A biological system clearly directs stress and strain so that action and information are transmitted in a deliberate spatial pattern. The question arises as to how this can b... | <urn:uuid:0105a1b9-2dc8-4436-9d28-4f20707d70d9> | 2.78125 | 192 | Truncated | Science & Tech. | 17.986429 | 95,623,656 |
Castoreum, the dried scent glands of the Canadian beaver, was once one of the most valuable scent components derived from animals.
Castoreum contains a complex mixture of substances, including a number of compounds known as nupharamine alkaloids. Many of these have been structurally characterized. Researchers working w... | <urn:uuid:250ad86f-2663-4a43-8c49-3cff6020e7f6> | 3.421875 | 1,367 | Content Listing | Science & Tech. | 34.366583 | 95,623,679 |
Unless it does more, the United States probably will fall short of goals set under last year's Paris agreement to dramatically reduce emissions of heat-trapping gases, according to a new study.
The U.S. pledged to reduce its greenhouse gas emissions in 2025 by 26 to 28 percent below 2005 levels. But taking into account... | <urn:uuid:6ddad7e1-7ba3-4c20-84ac-327f9207d182> | 3.390625 | 873 | News Article | Science & Tech. | 61.588544 | 95,623,691 |
Introduction: Send Email Using Python!
In this beginner tutorial I will show you how to use Python programming language to write a simple command line app for sending emails via Gmail!
You will only need 11 lines of code!
Step 1: Download Python
Download Python 3.6.0 from https://www.python.org/downloads/
Step 2: Insta... | <urn:uuid:33681cee-160c-4fc4-90dc-ef6ff780f68c> | 3.15625 | 981 | Tutorial | Software Dev. | 77.56288 | 95,623,705 |
A draft analysis of three UN scientific reports regarding global warming has concluded that by the year 2050, greenhouse gas emissions must be drastically reduced in order to avoid climate catastrophe.
The report suggests that reduction targets need to be set at between 40% and 70% lower than 2010 levels in order to av... | <urn:uuid:6360877b-0d99-45a2-b427-1065fadae71d> | 3.5625 | 457 | News Article | Science & Tech. | 38.251601 | 95,623,715 |
Common name: Rio Grande Chub
available through www.itis.gov
Identification: Woodling (1985); Sublette et al. (1990); Page and Burr (1991).
Size: 18 cm.
Native Range: Upper Rio Grande and Pecos River systems, Colorado and New Mexico; isolated population in Davis Mountains (Pecos River system), Texas (Page and Burr 1991)... | <urn:uuid:00ee06d8-917f-4170-a68e-ae7776eb3b65> | 2.875 | 422 | Structured Data | Science & Tech. | 52.251429 | 95,623,733 |
Measurement of Ambient Concentration and Surface Fluxes of O3, SO2 NOx and TSP in Uludag National Park
Uludag station is situated in the northwest part of the Turkey at longitude 40° 101 N, and latitude 20° 081 E (Fig. 9.7.1). The station is operated by the Middle East Technical University and Uludag University. Based ... | <urn:uuid:b05523a3-9dce-44fc-bf37-f9179b9170cd> | 2.5625 | 355 | Academic Writing | Science & Tech. | 57.859198 | 95,623,735 |
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A Comparison of Simulated and Field-Derived Leaf Area Index (LAI) and Canopy Height Values from Four Forest Complexes in the Southeastern USA
Iiames, J., E. Cooter, D. Schwede, AND J. Williams. A Comparison of Simulated and Field-Derived Leaf Area Index (LAI) and Canopy Height Values from Four Forest Comp... | <urn:uuid:3ba91f51-9ac3-439d-97c2-1355493ca4f5> | 2.671875 | 517 | Academic Writing | Science & Tech. | 17.977563 | 95,623,762 |
Data Used in the Book
Hydrologic data discussed in this book include flow, rainfall, temperature, tree-ring data and Palmer’s Drought Severity Index (PDSI) Series. Flow data are obtained from the United States Geological Survey (USGS, 1992) and Earth Info (1993) data bases. Both rainfall and temperature data are obtain... | <urn:uuid:545bfa6e-056e-4617-8541-79ae8061892f> | 2.734375 | 217 | Truncated | Science & Tech. | 27.894092 | 95,623,765 |
As Star Wars: The Force Awakens breaks box office records worldwide, Jessica Rowbury discusses whether photonics technologies could ever be used to build a real-life lightsaber
The lightsaber, or laser sword, was first introduced to cinema goers in 1977 in Star Wars Episode IV: A New Hope as the weapon used by the Jedi... | <urn:uuid:8ac0a9ad-0d8d-443d-af01-cbf5118c80cb> | 3.46875 | 1,458 | Truncated | Science & Tech. | 42.524629 | 95,623,768 |