text stringlengths 174 655k | id stringlengths 47 47 | score float64 2.52 5.25 | tokens int64 39 148k | format stringclasses 24
values | topic stringclasses 2
values | fr_ease float64 -483.68 157 | __index__ int64 0 1.48M |
|---|---|---|---|---|---|---|---|
Engineering Protein Stability with Atomic Precision
CREDIT Emily G. Baker et al.
This research will help to design small proteins and small molecules that could be the basis for future biotechnologies and medicines.
A team of chemists and biochemists from the Bristol BioDesign Institute have designed a new protein stru... | <urn:uuid:11f62f33-ee7b-4d12-a9cf-0e3e8b5bc097> | 3.546875 | 993 | News Article | Science & Tech. | 31.794193 | 95,598,657 |
Program a robot to explore a world
You construct a program for a robot, then watch him explore a world. The world has people who can hurt you, objects you can bump into, and food you can eat. The goal of the game is to collect as many prizes as possible before you are killed run out of energy. The robot program is writ... | <urn:uuid:777f65b0-9d7a-46e5-81ab-5676037333e3> | 2.546875 | 433 | Truncated | Software Dev. | 57.984199 | 95,598,693 |
Was the early universe a LIQUID? Atom smasher creates smallest ever droplets... and gives clues about the primordial soup created by the Big Bang
- Scientists smashed protons and lead atoms together at CERN near Geneva
- They hoped to replicate the quark-gluon plasma from the early universe
- Particles formed tiny drop... | <urn:uuid:07eb1244-8ca1-4495-bda3-b639404b5a24> | 3.40625 | 1,456 | Truncated | Science & Tech. | 36.016343 | 95,598,708 |
2 H 2 + O 2 → 2 H 2 O. +. Identify the factors that could affect the rate of a chemical reaction. Use the Collision Theory to explain the factors influencing the rate of a reaction. Explain the effect these factors have on the shape of a kinetic energy distribution curve.
Identify the factors that could affect the rate... | <urn:uuid:8f3d1c3e-c447-46c0-8700-3e44baac46c3> | 4.0625 | 396 | Content Listing | Science & Tech. | 55.760769 | 95,598,738 |
tokamak(redirected from Torus (nuclear physics))
Also found in: Thesaurus, Encyclopedia.
A doughnut-shaped chamber used in fusion research in which a plasma is heated and confined by magnetic fields.
[Russian, from to(roidal'naya) kam(era s) ak(sial'nym magnitnym polem), toroidal chamber with axial magnetic field.]
(Ge... | <urn:uuid:12060fff-c0fa-4c2e-bf8d-aae301803a59> | 3.3125 | 393 | Structured Data | Science & Tech. | 24.668452 | 95,598,740 |
Conservation is not always equal. If you go to a zoo you’ll find inescapable evidence of that, the megafauna are the main attractions; elephants, tigers and of course great apes are what you go to see. Visitor numbers are not determined by the species of rare invertebrates, birds or even the monkeys you’ll find housed ... | <urn:uuid:9f6a6b8f-791c-4749-992b-ba48be1a488d> | 3.359375 | 674 | Personal Blog | Science & Tech. | 39.984995 | 95,598,759 |
Expertise derived from working on the joint NASA-ESA Cassini-Huygens mission to Saturn and its moon Titan is now being applied to underground drilling machines. This is providing tunnelling engineers with an improved ability to virtually "see" some 40 metres into solid rock and pinpoint obstacles ahead.
Trude - the wor... | <urn:uuid:0f52456f-45fe-468c-9705-554bedd210ac> | 3 | 859 | Content Listing | Science & Tech. | 40.629091 | 95,598,813 |
What factors will affect the time of a falling paper cone
Disclaimer: This essay has been submitted by a student. This is not an example of the work written by our professional essay writers. You can view samples of our professional work here.
Any opinions, findings, conclusions or recommendations expressed in this mat... | <urn:uuid:2fa17ec5-6905-4a75-85a4-4c50b06a498b> | 3.109375 | 821 | Truncated | Science & Tech. | 51.207802 | 95,598,815 |
Some people believe that the Earth is being harmed (damaged) by human activity. Others feel that human activity makes the Earth a better place to live. What is your opinion? Use specific reasons and examples to support your answer.
While the past few centuries have witnessed increasingly better quality of human life, h... | <urn:uuid:51056696-d241-4ab2-aefa-0dded9f112ab> | 2.890625 | 361 | Q&A Forum | Science & Tech. | 43.878699 | 95,598,817 |
Never before have astrophysicists measured light of such high energy from a celestial object so far away. Around 7 billion years ago, a huge explosion occurred at the black hole in the center of a galaxy. This was followed by a burst of high-intensity gamma rays. A number of telescopes, MAGIC included, have succeeded i... | <urn:uuid:cb10ac1b-20dd-4a52-9280-49e769cdcdf6> | 3.65625 | 1,535 | Content Listing | Science & Tech. | 43.024042 | 95,598,827 |
Liquids and Solutions and Solids
- 1 Structure and Intermolecular forces
- 2 3 types of intermolecular forces
- 3 3 types of Crystalline Solid States
Structure and Intermolecular forces[edit | edit source]
Interactive molecular forces[edit | edit source]
attractive or repulsive forces between molecules, caused by parti... | <urn:uuid:a62396c7-4c43-4487-bff3-06825182afe3> | 3.46875 | 746 | Knowledge Article | Science & Tech. | 8.325181 | 95,598,834 |
How AI will revolutionize climate science: Experts say machine learning could dramatically improve predictions
- Major challenge in predicting climate models is accurately representing clouds
- New artificial intelligence can better represent clouds in coarse resolution
- Trained a deep neural network to learn from sim... | <urn:uuid:6246a62c-c798-4658-9ec9-12bae3960ee4> | 3.25 | 920 | Truncated | Science & Tech. | 25.287351 | 95,598,836 |
|In spite of the importance of insects, data of their biology remains far away from complete. At present, however, there are a unit extremely exciting developments occurring among the sphere of insect analysis, as a result of the genomes from twenty four insect species have recently been sequenced, or area unit within ... | <urn:uuid:fa91e393-cc98-4901-a1a8-9011324ace8c> | 2.8125 | 467 | Knowledge Article | Science & Tech. | 23.276855 | 95,598,854 |
Biohabitats’ Leaf Litter
Vol. 3 Number 3
Thoughts on Roads
Like it or not, roads have become the arteries of our social and economic lives. Roads are necessary to transport goods and services to the marketplace, move people to and from their places of work, shopping, and social engagements, and serve as vital links to ... | <urn:uuid:881d570f-3f52-4afd-9951-42668a398bde> | 3.46875 | 846 | Personal Blog | Science & Tech. | 36.744732 | 95,598,869 |
An international team of researchers, including scientists of the Max Planck Institute of Immunobiology and Epigenetics, has sequenced and analysed the genome of the elephant shark.
The immune system of the elephant shark is simpler than many other vertebrates studied so far. The present studies also explain, why carti... | <urn:uuid:bd83b2f0-7f56-48f3-b8f2-11d1dcb98b6d> | 3.359375 | 1,535 | Content Listing | Science & Tech. | 31.739666 | 95,598,871 |
posted by Rachel
A string fixed at both ends is 9.31 m long and has a mass of 0.125 kg. It is subjected to a tension of 100.0 N and set oscillating.
(a) What is the speed of the waves on the string?
(b) What is the longest possible wavelength for a standing wave?
(c) Give the frequency of that wave.
wave velocity=sqrt ... | <urn:uuid:f5e3dc0e-a4cd-4e55-8bec-0e0f6afdc1fc> | 3.375 | 182 | Q&A Forum | Science & Tech. | 106.413139 | 95,598,872 |
+44 1803 865913
Edited By: PM Huang and GR Gobran
400 pages, no illustrations
From the publisher's announcement:
The rhizosphere in soil environments refers to the narrow zone of soil influenced by the root and exudates. Microbial populations in the rhizosphere can be 10 ? 100 times larger than the populations in the b... | <urn:uuid:f6781a47-47a3-407a-aef2-c0101d680622> | 3.09375 | 277 | Product Page | Science & Tech. | 36.25595 | 95,598,874 |
Using underwater 360º virtual reality to raise awareness of the beauty,
fragility, and importance of the world’s oceans.
Using high definition underwater 360º virtual reality to raise awareness of the beauty, the fragility, and the critical importance of the world’s oceans.
The world’s oceans and the living creatures t... | <urn:uuid:19667338-d3ae-4a93-8986-c1d65e08df16> | 3.1875 | 520 | News (Org.) | Science & Tech. | 38.208748 | 95,598,903 |
Adaptation to Coastal Erosion in Vulnerable Areas, is a coastal protection activity implemented in Senegal by the Centre de Suivi Ecologique (CSE). The activity is to protect the coastal areas of Rufisque, Saly and Joal – all just outside Senegal’s capital Dakar – against further erosion caused by sea level rise and st... | <urn:uuid:02ca67bf-071e-4d97-b4ea-97fe2bbcaead> | 3.125 | 1,190 | Knowledge Article | Science & Tech. | 15.858665 | 95,598,913 |
Public talk on climate change, coastal hazards and sea level
Public talk on climate change, coastal hazards and sea level rise
Hawke’s Bay people will get the chance to learn more about New Zealand’s latest coastal hazards and sea level science and how the impacts can be managed.
East Coast LAB (Life at the Boundary) i... | <urn:uuid:b7facefa-8d48-4b9f-882e-2059968e3976> | 2.53125 | 415 | News Article | Science & Tech. | 45.453252 | 95,598,921 |
7.4 years ago by
This is an unusual and interesting question. I think it might help to generalize it:
- Given a list of species, how can I find those that have DNA sequence?
- or how can I find a specific DNA sequence for a list of species?
To start with the second question: which sequence(s) do you want to use to buil... | <urn:uuid:405d6305-fbfb-492b-85d9-110d2c658bb9> | 3.140625 | 269 | Q&A Forum | Science & Tech. | 60.812966 | 95,598,925 |
Habitat preference and spatial distribution of Guiana dolphins (Sotalia guianensis) in Norte Bay, southern Brazil, was studied from 2001 to 2005. Boat surveys (N ¼ 91) were made to evaluate the spatial distribution of the dolphins. Seven habitat variables were integrated into a geographical information system, and habi... | <urn:uuid:6c792d38-4439-44a1-866e-62c1332d7298> | 3.734375 | 396 | Academic Writing | Science & Tech. | 28.73923 | 95,598,947 |
mashlib and Data Browser
The mashlib (
mashlib.js) is a solid-compatible data mashup library. One major
use of it is as a data browser for a personal data store.
The mashlib has been used before originally in various apps in specific data interaction in different domains. It has been used in a browser extension (in Fir... | <urn:uuid:6db3cb52-db08-4378-a70a-ba712c3214be> | 2.546875 | 788 | About (Org.) | Software Dev. | 47.971092 | 95,598,975 |
"This planet is a complete mystery," says astronomer David Latham of the Harvard-Smithsonian Center for Astrophysics (CfA). "We don't know how it formed or how it got to where it is today. What we do know is that it's not going to last forever."
"Kepler-78b is going to end up in the star very soon, astronomically speak... | <urn:uuid:86c3a40b-2169-4862-9281-418c462ee3cc> | 3.8125 | 1,300 | Content Listing | Science & Tech. | 50.212952 | 95,598,982 |
Lcm of three numbers
What is the Lcm of 120 15 and 5
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- 3 buses
At morning 5:00 am three buses s... | <urn:uuid:c3bc44e8-7379-4bc6-bcb2-ec2c2d447de1> | 3.3125 | 764 | Tutorial | Science & Tech. | 79.894187 | 95,599,007 |
Compared to their mainland relatives, Channel Islands foxes are dwarves with little genetic variation. In fact, one of these island populations may be the least genetically variable population of all wild animals, according to findings published in Current Biology last week.
Channel Island foxes (Urocyon littoralis) ev... | <urn:uuid:16a58cdd-f650-44b3-a057-19ddf66f7246> | 4 | 493 | News Article | Science & Tech. | 20.055267 | 95,599,015 |
JAVA SCRIPT INJECTION:-
- Injection Basics
- Cookie Editing
- Form Editing
I. Injection Basics:
You should get a little dialog box that says “Hello, World”. This will be altered later to have more practical uses. You can also have more than one command run at the same time:
This would pop up a box that said ‘Hello’ and... | <urn:uuid:dd5c4d72-7f83-443b-8678-2e22a4ba815b> | 2.96875 | 631 | Tutorial | Software Dev. | 67.11505 | 95,599,022 |
Statistics Definitions > Homogeneity & Homogeneous Data
What is Homogeneity?
A data set is homogeneous if it is made up of things (i.e. people, cells or traits) that are similar to each other. For example a data set made up of 20-year-old college students enrolled in Physics 101 is a homogeneous sample.
What is Homogen... | <urn:uuid:9efe01e4-a1d1-4add-894c-3284de29889f> | 4.375 | 680 | Knowledge Article | Science & Tech. | 37.513642 | 95,599,031 |
When the ice melts, as was the case during the ice minimum in 2012, these algae sink rapidly to the bottom of the sea at a depth of several thousands of metres. Deep sea animals such as sea cucumbers and brittle stars feed on the algae, and bacteria metabolise what’s left, consuming the oxygen in the sea bed.
Several g... | <urn:uuid:035ab380-5b29-4d09-a8a0-0b47fc8194e1> | 3.96875 | 2,228 | Content Listing | Science & Tech. | 40.565883 | 95,599,035 |
The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume. The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume:
where ρ is the density, m is... | <urn:uuid:5fc0e338-d9da-4637-8d98-15a5e7a002c7> | 4.28125 | 3,928 | Knowledge Article | Science & Tech. | 51.359941 | 95,599,056 |
Three ESA missions are due to send down robotic `spaceprobes` when they arrive at their alien destinations. Since these craft will be going where no one has gone before, how can scientists be sure what it will be like down there? How do you ensure that your spaceprobe is prepared for anything?
Experts take every precau... | <urn:uuid:35b7e813-25ba-4491-9696-69fd11e6de99> | 3.28125 | 949 | Content Listing | Science & Tech. | 43.076203 | 95,599,061 |
The article is to appear in the online issue of the Proceedings of the National Academy of Sciences the week of Nov. 5.
“The process by which plants grow and produce more plant biomass is one of the most fundamental biological processes on the planet,” said Bradley Cardinale, lead author of the paper and assistant prof... | <urn:uuid:30991ab5-7020-46fd-86d3-145a1fbe4d26> | 3.921875 | 1,292 | Content Listing | Science & Tech. | 36.112741 | 95,599,072 |
Arsenic occurs in two valence forms: trivalent (As2O3) reacting with water to give arsenious acid and forming arsenite salts, and pentavalent arsenic (As2O5) yielding arsenic acid and the corresponding arsenate salts. The arsenite compounds are more toxic to insects, mammals, and plants. Paris green (a complex between ... | <urn:uuid:79da47a5-f998-499e-826d-f5d8a0e3c9b5> | 3.6875 | 283 | Truncated | Science & Tech. | 27.424005 | 95,599,078 |
Animal growth is closely regulated by environmental factors such as nutrition.
If the nutrition of a growing animal is limited, growth slows down and the eventual size of the animal remains smaller. Insulin-like signaling plays a key role in coordinating growth in response to dietary status in multicellular animals.
Do... | <urn:uuid:99471490-7e87-44d3-b181-cf61069ea988> | 3.046875 | 915 | Content Listing | Science & Tech. | 32.629742 | 95,599,080 |
Environmental managers will soon have a whole new understanding of how far critically endangered Leadbeater’s Possums travel each night and how their habitats
can best be managed.
This data will be provided by tiny GPS tracking harnesses, custom built by researchers at ANU and funded largely through the TSR Hub.
“This ... | <urn:uuid:07b0ea67-bb1a-46a4-a4b1-4b9ba6ccd019> | 3.90625 | 836 | News (Org.) | Science & Tech. | 42.899823 | 95,599,088 |
Predator-prey dynamics are an important evolutionary driver of escalating predation mode and efficiency, and commensurate responses of prey [1-3]. Among these strategies, camouflage is important for visual concealment, with countershading the most universally observed [4-6]. Extant terrestrial herbivores free of signif... | <urn:uuid:940ceeaf-7202-454b-be35-61457aec7fd5> | 2.875 | 2,685 | Academic Writing | Science & Tech. | 13.060414 | 95,599,119 |
Researcher finds effects of earlier breeding and weather
Scientists have found amphibians worldwide are breeding earlier due to climate change, but how that affects species is just now being answered.
After warmer winters, wood frogs breed earlier and produce fewer eggs, a Case Western Reserve University researcher has... | <urn:uuid:49d8009c-56cf-490d-bd7b-2447f029a5f3> | 3.359375 | 1,451 | Content Listing | Science & Tech. | 42.010804 | 95,599,151 |
Which is larger cos(sin x) or sin(cos x) ? Does this depend on x ?
Can you explain what is happening and account for the values being displayed?
The length AM can be calculated using trigonometry in two different ways. Create this pair of equivalent calculations for different peg boards, notice a general result, and ac... | <urn:uuid:89e1a887-cb0b-48a4-b171-3bd5b86e5f74> | 3.359375 | 346 | Q&A Forum | Science & Tech. | 64.497102 | 95,599,160 |
Palythoa (Palythoa sp.)
Family: Zoanthidae (Colonial Anemones)
Habitat: Shallow high flow and mix areas of reefs.
Light: High Water Flow: High Space: 1+ gal.
Reef Safe: Yes Care Level: Easy Temperament: Aggressive
Diet: Zoanthids have zooxanthellae but must also feed on plankton. They also likely directly absorb nutrie... | <urn:uuid:2f5c5768-3fe9-44f0-a4d5-05408c8f83fe> | 3 | 363 | Knowledge Article | Science & Tech. | 41.36094 | 95,599,171 |
NASA's Hubble Space Telescope has photographed an unusual structure 100,000 light years long, which resembles a corkscrew-shaped string of pearls and winds around the cores of two colliding galaxies.
The unique structure of the star spiral may yield new insights into the formation of stellar superclusters that result f... | <urn:uuid:c0d812d1-2450-4b66-969f-da3525796feb> | 4.15625 | 1,430 | Content Listing | Science & Tech. | 40.348507 | 95,599,178 |
Six years of aerosol size distribution measurements between 20 and 600nm diameters and total aerosol concentration above 10nmfrom March 2008 to February 2014 at the high-alpine site Jungfraujoch are presented. The size distribution was found to be typically bimodal with mode diameters and widths relatively stable throu... | <urn:uuid:4ec72611-73ee-41b5-b853-8e3f31dd00d9> | 2.5625 | 323 | Academic Writing | Science & Tech. | 34.264778 | 95,599,179 |
SCIENTISTS have discovered a new species of fish capable of withstanding crushing five-mile depths in the ocean.
The Mariana snailfish was found thriving 8,178 metres below the ocean surface, deeper than any other fish.
Named after its home, the Mariana Trench in the western Pacific Ocean, the small transparent sea cre... | <urn:uuid:49ca5470-77b5-4bf6-a36f-fcfadf9df466> | 3.5625 | 532 | Truncated | Science & Tech. | 52.797083 | 95,599,183 |
Theories of Covalent Bonding. Valence-Shell Electron-Pair Repulsion (VSEPR) Theory Hybridization and Localized Electron Model Molecular Orbital Model Bonding in Homonuclear Diatomic Molecules Bonding in heteronuclear Diatomic Molecules Combining the Localized and Molecular Orbital Model.
s -bond: orbitals overlap along... | <urn:uuid:e2d5f4e6-56cc-488a-9c9d-4bd339e3eaff> | 3.21875 | 740 | Tutorial | Science & Tech. | 57.750814 | 95,599,196 |
The active laser medium (also called gain medium or lasing medium) is the source of optical gain within a laser. The gain results from the stimulated emission of electronic or molecular transitions to a lower energy state from a higher energy state
previously populated by a pump source.
Examples of active laser media i... | <urn:uuid:412ec254-742a-4e78-89fc-e21adf38ed9f> | 3.265625 | 1,335 | Knowledge Article | Science & Tech. | 46.175156 | 95,599,204 |
Scientists have developed a new way of studying the atmospheres of exoplanets by using Saturn's smog-enshrouded moon, Titan. The new technique shows the significance hazy skies could have on our ability to learn about these alien worlds orbiting distant stars.
New images of Saturn's skies amidst the aurora light show s... | <urn:uuid:aabde8bf-e1f4-4fbf-a522-7789ad81537e> | 3.21875 | 512 | Content Listing | Science & Tech. | 44.271875 | 95,599,212 |
Long-distance space travel presents a number of challenges, including how to transport sufficient quantities of oxygen and fuel.
Hundreds of reports were made about Snapchat issues Wednesday.
Aerial photos taken on Tuesday show giant waves beating against a seashore wall in Wenling City, east of Zhejiang Province, as t... | <urn:uuid:a4a32a1e-2df9-4e62-85dd-26aa87aeff89> | 2.84375 | 601 | Content Listing | Science & Tech. | 46.089389 | 95,599,236 |
Defines the AdjustRightIndent Class.When the object is serialized out as xml, its qualified name is w:adjustRightInd.
Assembly: DocumentFormat.OpenXml (in DocumentFormat.OpenXml.dll)
'Declaration Public Class AdjustRightIndent _ Inherits OnOffType 'Usage Dim instance As AdjustRightIndent
public class AdjustRightIndent ... | <urn:uuid:7f993054-1ca9-477a-8a45-c84cd36832d9> | 3.03125 | 517 | Documentation | Software Dev. | 65.959618 | 95,599,246 |
Wave723 shares a report from IEEE Spectrum: Researchers at the U.S. Energy Department’s Pacific Northwest National Laboratory (PNNL) and LCW Supercritical Technologies made use of readily available acrylic fibers to pull five grams of yellowcake — a powdered form of uranium used to produce fuel for nuclear power reacto... | <urn:uuid:338456ed-5a75-4d97-8537-f2cfc76c1279> | 3.03125 | 227 | Truncated | Science & Tech. | 45.175273 | 95,599,263 |
Like any density, charge density can depend on position, but charge and thus charge density can be negative. It should not be confused with the charge carrier density, the number of charge carriers (e.g. electrons, ions) in a material per unit volume, not including the actual charge on the carriers
In chemistry, it can... | <urn:uuid:10f08932-85d9-4698-a814-52ddead51208> | 3.515625 | 143 | Knowledge Article | Science & Tech. | 39.514746 | 95,599,267 |
Lecture Kathrin Muller
|07 maart 2011||FWN-Building 5114.0004, Nijenborgh 4, 9747 AG, Groningen|
|Speaker:||Dr. Kathrin Muller|
|Affiliation:||Brookhaven National Laboratory, Upton, NY, USA|
|Title:||A surface science approach to to alternative CO2 capture and utilization routes|
|Date:||Mon Mar 7, 2011|
|Host:||Dr. Me... | <urn:uuid:cc939883-9dbe-428e-ac46-59f46e29195e> | 2.609375 | 546 | News (Org.) | Science & Tech. | 29.379196 | 95,599,269 |
Let algae do the dirty work.
Researchers at Rochester Institute of Technology are developing biodiesel from microalgae grown in wastewater. The project is doubly “green” because algae consume nitrates and phosphates and reduce bacteria and toxins in the water. The end result: clean wastewater and stock for a promising ... | <urn:uuid:9db80501-fc0e-4139-82ae-cf5a9dae7552> | 3.421875 | 1,553 | Content Listing | Science & Tech. | 43.623971 | 95,599,281 |
Climate change shows in shrinking Antarctic snows
Published : 15 Jan 2017, 14:41
Vast icy rock peaks tower above Argentina's Carlini research base in Antarctica. But scientists who have worked here for decades say the glaciers are less icy than they once were.
For international experts stationed at the base, the frozen... | <urn:uuid:8d5a4b37-0aa1-4ac8-aa8f-deb79fd14b46> | 3.203125 | 1,024 | Truncated | Science & Tech. | 44.068088 | 95,599,286 |
CORVALLIS, Ore. – Incentives that are designed to enable smarter use of the ocean while also protecting marine ecosystems can and do work, and offer significant hope to help address the multiple environmental threats facing the world’s oceans, researchers conclude in a new analysis.
Whether economic or social, incentiv... | <urn:uuid:8cc602a0-45fc-4782-af8d-01a1a00b9c89> | 3.0625 | 1,256 | Truncated | Science & Tech. | 24.747021 | 95,599,293 |
This video is adapted from an intriguing episode of Hubblecast. nature’s telescopes. It explores a phenomenon called gravitational lensing. The gravitational force of a galaxy, full of stars, gas, dark matter, and dust, is so enormous that it affects the region it sits in and distorts the very fabric of the surrounding... | <urn:uuid:3070e855-178f-4468-a495-af19516e3522> | 3.65625 | 731 | Content Listing | Science & Tech. | 62.398148 | 95,599,328 |
In this chapter we continue to model multispecies assemblages. But in contrast to the previous chapter, the two-species model developed here consists of a predator population and a prey population (Fig. 18.1). Both are present within a given area with a specified carrying capacity.
KeywordsMigration Rate Prey Populatio... | <urn:uuid:136f5bec-522f-442d-8fb9-8e3ab01fc11d> | 2.671875 | 86 | Truncated | Science & Tech. | 29.842857 | 95,599,376 |
The firn layers of the Greenland ice sheet might store less meltwater than previously assumed. Researchers from the USA, Denmark and the University of Zurich fear that this could lead to increased release of the meltwater into the oceans.
The near-surface layers of the Greenland ice sheet are made up of snow that is gr... | <urn:uuid:88c16ae4-cf91-457b-8d7f-cbf708cbfc88> | 4.0625 | 1,557 | Content Listing | Science & Tech. | 43.66991 | 95,599,408 |
So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies (HITS) and in Canada and the US now discovered that diffuse gas in the universe can absorb luminous gamma-ray emission from bl... | <urn:uuid:54d83aa5-f799-409d-9819-0add3e00d8ca> | 3.96875 | 1,763 | Content Listing | Science & Tech. | 40.332973 | 95,599,409 |
Emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), has killed millions of ash (Fraxinus sp.) trees in North America since its discovery in Michigan in 2002. Efficient methods to detect low-density A. planipennis populations remain a critical priority for regulatory and resource management agenc... | <urn:uuid:06f7637f-d2d2-4fd7-a015-afa101ee9c76> | 2.78125 | 479 | Academic Writing | Science & Tech. | 44.035886 | 95,599,451 |
In the Software industry, Most of the clients have a main requirement which is
“We want the system to be secured”.
Security is a non-functional property of the system, the main goal for securing the system to make this system dependable. So, we can depend on this system and it can perform its excepted functions as requ... | <urn:uuid:0e66ef0b-b89b-44b8-b722-d75a68c8a1f2> | 2.8125 | 426 | Knowledge Article | Software Dev. | 20.073111 | 95,599,462 |
Since astronomers first measured the size of an extrasolar planet seventeen years ago, they have struggled to answer the question: how did the largest planets get to be so large? Thanks to the recent discovery of twin planets by a University of Hawaii Institute for Astronomy team lead by graduate student Samuel Grunbla... | <urn:uuid:6b212c6f-2b00-4505-8e0b-a88d3fe3fdc7> | 4.375 | 922 | Knowledge Article | Science & Tech. | 42.37938 | 95,599,489 |
Look closely. The cosmic dust captured in this infrared photo of the Milky Way may be brimming with space grease.
Credit: NASA/ JPL-Caltech
Space: It’s dark, cold and, in most parts of the galaxy, probably pretty sticky.
Swirled amid the dust, soot and electromagnetic radiation that sits among the stars of the Milky Wa... | <urn:uuid:a054e381-7d67-4832-8de2-e1a7626a3832> | 3.375 | 765 | News Article | Science & Tech. | 39.547218 | 95,599,507 |
Magnetic, temperature and structural studies have yielded new insights on the material sodium iridium oxide
RIKEN scientists have discovered a new state of matter with unusual magnetic properties—its constituent electrons are in a continuous state of flux, even at incredibly cold temperatures.
As electrons spin, they g... | <urn:uuid:f1fef59c-3aaf-4f8e-afab-f778ba35b2c8> | 3.078125 | 1,263 | Content Listing | Science & Tech. | 37.952328 | 95,599,520 |
Has volcanic activity been increasing?
The Global Volcanism Program does not see any evidence that volcanic activity is actually increasing. Data about eruptions compiled by the Smithsonian since 1968 provide context for assessing issues of regional and global volcanism. The following figures and discussion below are m... | <urn:uuid:14cdd990-29ee-42d5-aa6c-dcc176140489> | 3.53125 | 1,796 | Knowledge Article | Science & Tech. | 28.528035 | 95,599,524 |
If you continue the pattern, can you predict what each of the following areas will be? Try to explain your prediction.
What is the ratio of the area of a square inscribed in a semicircle to the area of the square inscribed in the entire circle?
ABC and DEF are equilateral triangles of side 3 and 4 respectively. Constru... | <urn:uuid:9b3387da-1ebf-4238-83de-75ae61546ef9> | 3.75 | 1,610 | Content Listing | Science & Tech. | 75.18778 | 95,599,572 |
Characterisation of the structure of graphene
Graphene, the world's first two-dimensional material, is many times stronger than steel, more conductive than copper, lightweight, flexible and one million times thinner than a human hair.
Graphene is set to improve the quality of life for many across the globe. Potential a... | <urn:uuid:971c9aa1-e018-4803-ae15-631f1d852012> | 3.203125 | 622 | News (Org.) | Science & Tech. | 9.950114 | 95,599,635 |
Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.Sign up
Optimize unaligned reading #42
Unaligned reading is performed using a pair of LWL and LWR, usually they are not contiguous if the compiler tries to use other regi... | <urn:uuid:e04ea25c-2557-45dc-a1ce-f826f509940d> | 2.625 | 195 | News (Org.) | Software Dev. | 45.100306 | 95,599,653 |
Lawrence Livermore National Laboratory researchers are making key contributions to a physics experiment that will look for one of nature's most elusive particles, "dark matter," using a tank nearly a mile underground beneath the Black Hills of South Dakota.
The Large Underground Xenon (LUX) experiment located at the Sa... | <urn:uuid:02738ffb-2e20-4d93-98a1-8516f34b63c3> | 3.171875 | 1,008 | News Article | Science & Tech. | 26.496992 | 95,599,667 |
+44 1803 865913
Edited By: RM Harrison
Understanding pollution, its behaviour and impact is becoming increasingly important, as new technologies and legislation continually lower the tolerable levels of pollutants released into the environment. Introduction to Pollution Science draws upon sections of the authors' previ... | <urn:uuid:51dcac82-ab20-4333-b6e3-b6bf50a173f8> | 3.296875 | 432 | User Review | Science & Tech. | 19.638513 | 95,599,674 |
Global Carbon Dioxide Emissions Have Now Been Flat for Two Years Running
The International Energy Agency says emissions growth has decoupled from global economic growth.
New data published by the International Energy Agency extends the surprising finding, discovered last year, that global carbon dioxide emissions have ... | <urn:uuid:b1da38f5-536e-4bb7-819a-885aa70185f3> | 2.71875 | 349 | Truncated | Science & Tech. | 32.355551 | 95,599,676 |
American pikas, the chirpy, potato-sized denizens of rocky debris in mountain ranges and high plateaus in western North America, are holding their own in the Southern Rocky Mountains, says a new University of Colorado Boulder study.
American pikas are holding their own in the Southern Rocky Mountains, says new CU-Bould... | <urn:uuid:3234c576-7d38-4f1d-b4dd-c5fdf1e23e7f> | 3.671875 | 1,960 | Content Listing | Science & Tech. | 35.645418 | 95,599,689 |
Citric Acid Cycle The citric acid cycle starts with the combination of acetyl-CoA (2C) and oxaloactate (4C) to generate citrate (6C). Through a series of eight reactions, two CO2 molecules are released, and oxaloacetate is regenerated. The citric acid cycle does not directly generate much energy. Each turn of the cycle... | <urn:uuid:adfb79e1-c4b3-4419-be67-92765badb6c6> | 3.328125 | 386 | Knowledge Article | Science & Tech. | 27.031795 | 95,599,697 |
Time-resolved “stop-action” measurements and advanced theoretical simulations identify an unusual form of energy loss
Understanding the properties of complex quantum materials is a major goal of condensed matter physics and materials science, since effects like high-temperature superconductivity might lead to a broad r... | <urn:uuid:80537085-6f5e-4b62-8a70-b3d138385832> | 3.234375 | 1,951 | Content Listing | Science & Tech. | 40.607542 | 95,599,709 |
Radiocarbon dating reference year
Check here for important announcements and other Shroud of Turin Website news.
According to evolutionists, the diamonds formed about 1–3 billion years ago.
When objects of the Old Kingdom and Middle Kingdom of Egypt yielded carbon dates that appeared roughly comparable with the histori... | <urn:uuid:1fb3978e-d129-424e-925e-e69c0c950079> | 3.28125 | 227 | Knowledge Article | Science & Tech. | 34.33546 | 95,599,712 |
NEW ORLEANS – Hurricane Harvey’s historic deluge in Texas showed clear signs of human-caused climate change, with rainfall at least 15 percent heavier and the likelihood of such a calamity tripled, according to two independent studies published Wednesday. The new findings are part of a surge of research suggesting that... | <urn:uuid:c2f5e07d-35a9-4c7f-9949-c2c047882ce7> | 2.96875 | 1,200 | News Article | Science & Tech. | 41.780473 | 95,599,717 |
Share this article:
Sea ice extent in the Arctic region continues to run close to the 1979-2000 year average at this time. Thin, one-year ice continues to remain entrenched across a large part of the Bering Sea thanks in part to the bitterly cold winter and favorable winds into the early Spring.
However, just because t... | <urn:uuid:5369e7bf-4a6f-4a38-91b4-e6a255e3ad7e> | 3.125 | 486 | News Article | Science & Tech. | 49.438686 | 95,599,718 |
posted by need help
write each of the following as the ratio of two integers in lowest terms:
2 and 3/4
Any integer n can be written as n/1. If the ratio of two integers is in lowest terms then the greatest common divisor or gcd of them is 1. What is the gcd of 3 and 4? | <urn:uuid:c627d0a7-1ebf-40f6-a5c0-114d34b7e013> | 3.265625 | 73 | Q&A Forum | Science & Tech. | 89.245 | 95,599,721 |
Skip to comments.Climate alarmists lose another piece of evidence
Posted on 06/11/2007 10:11:38 AM PDT by Neville72
Don't look now, but another big chunk of the "evidence" for man-made global warming suddenly disappeared. Poof! Researchers just reported that the world's most recent case of "abrupt climate change"which ... | <urn:uuid:fe3bb4eb-f362-4366-98ab-c301aeb419d6> | 3.28125 | 2,657 | Comment Section | Science & Tech. | 38.23758 | 95,599,725 |
At long last, we have a professional animation explaining how the Direct Fusion Drive works. Enjoy!
The audience learns, watching the movie “Solo,” that the Millennium Falcon has a nuclear fusion power plant! The Millennium Falcon is a modified YT-1330 Corellian light freighter manufactured by the Corellian Engineering... | <urn:uuid:5ac4e591-74eb-43d7-8ce8-f3a09c493940> | 3.296875 | 2,629 | Content Listing | Science & Tech. | 51.229142 | 95,599,726 |
In late 2013, when the neutron star at the heart of one of our galaxy's oddest supernovae gave off a massive burst of X-rays, the resulting echoes -- created when the X-rays bounced off clouds of dust in interstellar space -- yielded a surprising new measuring stick for astronomers.
Circinus X-1 is a freak of the Milky... | <urn:uuid:9d2864ef-7fd7-4999-884b-66d52e9db500> | 4 | 1,571 | Content Listing | Science & Tech. | 45.982172 | 95,599,748 |
This article needs additional citations for verification. (September 2014) (Learn how and when to remove this template message)
Temporal range: 416–0 Ma Devonian–Recent
|Hydrolagus colliei, a rat fish|
The subclass Holocephali ("complete heads") is a taxon of cartilaginous fish in the class Chondrichthyes. The earliest... | <urn:uuid:38e58b9a-abd0-4270-94af-af7b439db192> | 3.078125 | 810 | Knowledge Article | Science & Tech. | 52.519446 | 95,599,771 |
Smithsonian scientist challenges results of recent study
Late last year, Frédéric Achard and colleagues published a controversial article in which they contended that earlier estimates of worldwide tropical deforestation and atmospheric carbon emissions were too high. In the February 14 issue of Science, Philip Fearnsi... | <urn:uuid:87d6e2d9-ab67-4bde-a799-a986894a9325> | 3.234375 | 899 | Content Listing | Science & Tech. | 37.393092 | 95,599,775 |
Biology, images, analysis, design...
|"It has long been an axiom of mine that the little things are infinitely the most important" |
Black cherry aphidOn this page: Identification & Distribution Biology & Ecology Other aphids on the same host
Identification & Distribution:
Myzus cerasi is a small to medium sized aphid.... | <urn:uuid:54e61908-5147-4305-b627-e1c0a870171b> | 2.890625 | 538 | Knowledge Article | Science & Tech. | 36.420125 | 95,599,795 |
This video helps students understand the possible effect of increasing sea surface temperature on the intensity of hurricanes. The support materials provide an introduction to hurricanes and hurricanes as heat.
|Tool Name||The Effect of Sea Surface Temperature on Hurricanes|
|Discipline||Physics, Earth Sciences|
|Topic... | <urn:uuid:9ad88300-729f-4a47-968d-bae08109e409> | 3.34375 | 130 | Truncated | Science & Tech. | -11.828056 | 95,599,854 |
Tracer experiments for the determination of chemical forms of radioiodine in water samples
Two simple methods, (1) isotope exchange method and (2) anion exchanger column method, are developed for the determination of chemical forms of radioiodine (iodide and iodate) in water samples. Using these methods, transformation... | <urn:uuid:4d02ba5d-e5ca-4da3-bfe7-95045b3b37d6> | 2.65625 | 417 | Academic Writing | Science & Tech. | 67.942286 | 95,599,881 |
A data type is a set of objects and a set of operations on those objects which create, build-up, destroy, modify and pick apart instances of the objects. Every programming language begins by supplying a set of data types. In LISP, the major data type is the binary tree (called an S-expression) and the basic operations ... | <urn:uuid:96cb05c1-d96b-4f56-98f9-ccb938045e79> | 3.671875 | 148 | Truncated | Software Dev. | 49.544471 | 95,599,882 |
A semi-synthetic organism that stores and retrieves increased genetic information
Since the last common ancestor of all life on earth, the biological diversity has been encoded in a four letter, two base pair genetic alphabet. Expansion of the genetic alphabet to include a fifth and sixth letter than for a third, unnat... | <urn:uuid:89872b0d-ec10-44f7-ac68-05e8a55cc585> | 2.53125 | 1,139 | Content Listing | Science & Tech. | -4.355409 | 95,599,911 |
Retained trivial and semisystematic names for heteromonocyclic compounds are given in R-9.1, Table 23 and Table 24.
Examples of Hantzsch-Widman names (R-22.214.171.124)
(Cyclohexagermane, according to R-2.3.2)
R-126.96.36.199.1 The position of a single heteroatom determines the numbering in a monocyclic compound.
R-188... | <urn:uuid:c7ac839c-ba7b-4a6a-837a-99eb4af6bbc6> | 2.6875 | 569 | Structured Data | Science & Tech. | 81.145227 | 95,599,912 |
This has now been done by CNRS researcher Pascal Hersen (1) and the team led by Sharad Ramanathan at the Center for Systems Biology (Harvard University). Using a simple and innovative measuring device that they developed, the researchers have confirmed the hypothesis that above a certain stimulation frequency, the yeas... | <urn:uuid:05dedda2-824f-4626-aff5-65e0f6771db1> | 3.625 | 1,409 | Content Listing | Science & Tech. | 39.463457 | 95,599,914 |
The international collaboration is comprised of researchers from the University of Colorado, USA and the Niels Bohr Institute at the University of Copenhagen and the results have just been published in the prestigious scientific journal, Science.
An atomic clock consists of gas atoms captured in a magnetic field where ... | <urn:uuid:cf89bea0-1ff2-4a2e-bdf3-ce22ae3066e7> | 4.0625 | 1,326 | Content Listing | Science & Tech. | 44.632374 | 95,599,915 |
Are any of you signed up for the 2011 Ant Course? It is going to be held at the American Museum of Natural History's Southwestern Research Station near Portal, Arizona this year, or at least it was supposed to be. You see, there is a big fire burning in southeastern Arizona right now. They had to evacuate the station o... | <urn:uuid:26d72d39-a72f-4cb8-867a-63f97bb66d58> | 2.640625 | 993 | Personal Blog | Science & Tech. | 63.593797 | 95,599,935 |
Mason bee is a name now commonly used for species of bees in the genus Osmia, of the family Megachilidae. Mason bees are named for their habit of using mud or other "masonry" products in constructing their nests, which are made in naturally occurring gaps such as between cracks in stones or other small dark cavities; w... | <urn:uuid:e313c415-03b9-4278-aedd-22913e234b0b> | 3.578125 | 1,979 | Knowledge Article | Science & Tech. | 57.580647 | 95,599,938 |
A robot wheels across a rocky, windswept landscape that looks like the surface of some distant planet from a science fiction film. But it is not in outer space, it's on the slopes of Europe's most active volcano. Mount Etna, in Sicily, is a test bed for the approximately three-foot high, four-wheeled machine ahead of a... | <urn:uuid:8f2b86a4-56e3-40c1-9375-a038b292744a> | 3.59375 | 325 | News Article | Science & Tech. | 35.193545 | 95,599,944 |
The human nose has millions of olfactory neurons grouped into hundreds of different neuron types. Each of these neuron types expresses only one odorant receptor, and all neurons expressing the same odorant receptor plug into one region in the brain, an organization that allows for specific odors to be sensed.
For examp... | <urn:uuid:4dff8041-7c96-4221-a13a-f5f8e638998b> | 3.359375 | 1,884 | Content Listing | Science & Tech. | 36.517161 | 95,599,945 |
Ormosils are organic-inorganic hybrid solids inwhichthe organiccomponentmaybe chemicallybonded to a silica matrix. Somewhat similar to inorganic silicate glasses, the structure of the silica network can be modified by the presence of organic groups. The resulting properties of the Ormosils are then governed by the type... | <urn:uuid:091452b9-efce-4ab7-9f50-e894bb38aa07> | 3.03125 | 221 | Academic Writing | Science & Tech. | 15.865649 | 95,599,946 |
Pumping liquid carbon dioxide underground on a massive scale so it won’t contribute to global warming has been talked about for years. Howard Herzog, an MIT chemical engineer and the program manager of the Carbon Sequestration Initiative, an industrial consortium, says the most recent international conference on the su... | <urn:uuid:3bca1202-5e55-4f8f-931c-485a5b330e33> | 3.109375 | 773 | Audio Transcript | Science & Tech. | 44.275946 | 95,599,949 |
The sea bed could be one big battery.
Researchers name the microbes that could produce power by munching pollution.
Bacteria could clear up oil spills and generate electricity at the same time. US scientists have identified microbes that produce power as they digest organic waste1.
The bacteria strip electrons from car... | <urn:uuid:07ff09fc-b6fd-4420-8264-a7c4abc39d67> | 3.734375 | 958 | Content Listing | Science & Tech. | 38.102346 | 95,599,984 |
“We certainly were surprised to find such a bright young galaxy 13 billion years in the past”, said astronomer Garth Illingworth of the University of California, Santa Cruz, USA and a member of the research team. “This is the most detailed look to date at an object so far back in time.”
According to the authors, the me... | <urn:uuid:bbe25370-0430-4846-a11c-915bd61663ae> | 3.5 | 1,793 | Content Listing | Science & Tech. | 40.035914 | 95,600,014 |
Introduction:Python is a high-level, structured, open-source programming language that can be used for a wide variety of programming tasks. Python was created by Guido Van Rossum in the early 1990s; its following has grown steadily and interest has increased markedly in the last few years. Another great feature of Pyth... | <urn:uuid:161e9007-d53b-4242-97f3-622fe6308c32> | 3.09375 | 364 | Personal Blog | Software Dev. | 52.630395 | 95,600,021 |
SYDNEY (AP) — Mass bleaching has killed more than a third of the coral in the northern and central parts of Australia's Great Barrier Reef, though corals to the south have escaped with little damage, scientists said on Monday.
Researchers who conducted months of aerial and underwater surveys of the 2,300-kilometer (1,4... | <urn:uuid:eeb152cd-47b9-4418-b2a0-94870b5b3af5> | 3.125 | 847 | News Article | Science & Tech. | 47.75751 | 95,600,027 |
Let's turn the table. Suppose your goal is to deliberately create buggy programs in C and C++ with serious security vulnerabilities that can be "easily" exploited. Then you need to know about things like stack smashing, shellcode, arc injection, return-oriented programming. You also need to know about annoying protecti... | <urn:uuid:37e033bb-620d-4e71-8a4d-f1c8738105a8> | 2.796875 | 117 | Truncated | Software Dev. | 43.333333 | 95,600,028 |