text stringlengths 174 655k | id stringlengths 47 47 | score float64 2.52 5.25 | tokens int64 39 148k | format stringclasses 24
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|Allegro CL version 9.0|
Unrevised from 8.2 to 9.0.
This document contains the following sections:1.0 Garbage collection introduction
Lisp does its own memory management. The garbage collector is part of the memory management system. It disposes of objects that are no longer needed, freeing up the space that they occup... | <urn:uuid:b14c698d-79cb-429f-9908-bccc75d9404c> | 2.765625 | 16,820 | Documentation | Software Dev. | 60.488878 | 1,100 |
|Figure 2-3: Components of the terrestrial carbon pool (compiled
and amplified from Apps and Price, 1996).
To fully account for carbon at a site, one must examine the forest, the crops, and the soils as a dynamic multi-component ecosystem, above- and below-ground, with changes in biomass and soil organic matter as key ... | <urn:uuid:f9633ce4-5efc-4337-8fbd-3d72989f2884> | 3.40625 | 396 | Knowledge Article | Science & Tech. | 36.887571 | 1,101 |
FOR RELEASE: 09:00 am (EDT) August 31, 2011
Donna Weaver / Ray Villard
Space Telescope Science Institute, Baltimore, Md.
410-338-4493 / 410-338-4514
firstname.lastname@example.org / email@example.com
Rice University, Houston, Texas
Rice University, Houston, Texas
Hubble Movies Provide Unprecedented View of Supersonic J... | <urn:uuid:874df36f-2dea-45e1-892f-a619473b3dee> | 3.4375 | 805 | News (Org.) | Science & Tech. | 41.637635 | 1,102 |
We explore some of the questions surrounding asynchronous programming and reveal that the need for new constructs, such as await in C#, isn't due to deep considerations, but results from the fact that the UI is single threaded.
There is currently a lot of ground-breaking work on the subject of asynchronous programming ... | <urn:uuid:564ad05a-18a6-4e9d-93f0-3a1d8cad8f49> | 2.703125 | 2,092 | Nonfiction Writing | Software Dev. | 53.042809 | 1,103 |
The following HTML text is provided to enhance online
readability. Many aspects of typography translate only awkwardly to HTML.
Please use the page image
as the authoritative form to ensure accuracy.
Issues in the Integration of Research and Operational Satellite Systems for Climate Research: II. Implementation
For res... | <urn:uuid:1e620865-a893-40ca-bcce-e819295b3f62> | 2.578125 | 756 | Knowledge Article | Science & Tech. | 1.372826 | 1,104 |
Artist's rendering of Mariner 4 in space. Credit: NASA
"Mariner 4 ran into a cloud of space dust," says Bill Cooke of the Marshall Space Flight Center Space Environments Team. "For about 45 minutes the spacecraft experienced a shower of meteoroids more intense than any Leonid meteor storm we've ever seen on Earth." The... | <urn:uuid:6ceedc25-efac-4946-976c-46508415dea1> | 3.734375 | 803 | Knowledge Article | Science & Tech. | 59.332175 | 1,105 |
By Neal Singer The first step in deploying lasers on space satellites will take place Sept. 9, when NASA sends a lidar system into orbit on the space shuttle Discovery, says the UI researcher who helped design the major experiments for the mission. The lidar system, dubbed NASA LITE, is expected to be aboard the shuttl... | <urn:uuid:aad5a46d-0aa2-43ca-8173-02db404991f7> | 3.671875 | 575 | News Article | Science & Tech. | 42.473056 | 1,106 |
The Economics of Ecosystems and Biodiversity: Ecological and Economic Foundations
Human well-being relies critically on ecosystem services provided by nature. Examples include water and air quality regulation, nutrient cycling and decomposition, plant pollination and flood control, all of which are dependent on biodive... | <urn:uuid:906f7240-4b78-478d-9b89-4b845237d4f3> | 3.21875 | 966 | Content Listing | Science & Tech. | 9.332509 | 1,107 |
Graphene Membranes May Lead To Enhanced Natural Gas Production, Less CO2 Pollution, Says CU Study
Engineering faculty and students at the University of Colorado Boulder have produced the first experimental results showing that atomically thin graphene membranes with tiny pores can effectively and efficiently separate g... | <urn:uuid:3b25753a-7497-4795-9e82-d31a0a8014b9> | 3.3125 | 668 | News Article | Science & Tech. | 13.330443 | 1,108 |
Summary: THE GEOMETRY OF K3 SURFACES
LECTURES DELIVERED AT THE
SCUOLA MATEMATICA INTERUNIVERSITARIA
JULY 31--AUGUST 27, 1988
DAVID R. MORRISON
This is a course about K3 surfaces and several related topics. I want
to begin by working through an example which will illustrate some of
the techniques and results we will enc... | <urn:uuid:b5b3c86a-08e0-40fa-bbc0-ba8b5f9bc304> | 2.734375 | 232 | Academic Writing | Science & Tech. | 61.468521 | 1,109 |
No doubt about it: The federal government wants the Northern Goshawk to survive.
So every national forest in the West wrote into its forest plan detailed rules to protect critical habitat the bird- and rodent-hunting raptors need to survive.
Forest Service administrators apply those prescriptions to every thinning proj... | <urn:uuid:77e38e22-4cac-44c9-916e-eb4cebb53cd8> | 3.296875 | 1,730 | News Article | Science & Tech. | 35.130294 | 1,110 |
It can be safely assumed that databases with a high volume of data or a complicated relational setup (like, perhaps, a lexical database for a living language) must be accessible to many users and operators at the same time. Ideally, it should be possible to use existing different hardware and software platforms that ca... | <urn:uuid:8c3e1c2b-c4d7-4124-a21f-a56240e02a05> | 3.640625 | 617 | Documentation | Software Dev. | 34.726796 | 1,111 |
July 13, 2012 An international team, led by Institute of Genetics and Developmental Biology, Chinese Academy of Science, and BGI, the world's largest genomics organization, has completed the genomic sequence and analysis of salt cress (Thellungiella salsuginea), a wild salt-tolerant plant. The salt cress genome serves ... | <urn:uuid:92f22cc4-3df3-42ba-a015-1dd1f1511427> | 3.265625 | 917 | News (Org.) | Science & Tech. | 53.585492 | 1,112 |
Web edition: December 13, 2012
Print edition: December 29, 2012; Vol.182 #13 (p. 34)
According to one popular notion, everyone has a twin somewhere. Who knows, maybe the same is true for planets. Maybe there’s even a doppelgänger Earth orbiting at just the right distance from a sunlike star to support life. In his late... | <urn:uuid:c9218405-a15e-4b02-9a5e-f124aabe9c3a> | 3.109375 | 353 | Truncated | Science & Tech. | 47.021576 | 1,113 |
Young Cells in Old Brains [Preview]
The paradigm-shifting conclusion that adult brains can grow new neurons owes a lot to Elizabeth Gould's rats and monkeys
ELIZABETH GOULD: CHANGING MINDS
Image: PETER MURPHY
- Past thinking: Memories are stored by locked-in neural connections. Present: The brain can add neurons, perha... | <urn:uuid:432f2674-a5de-42b2-9ab7-169c23f586c7> | 2.953125 | 224 | Truncated | Science & Tech. | 45.971972 | 1,114 |
Written by: Emilio D’alise (SoSF Staff Journalist)
Perhaps not all are aware 2009 has been designated the International Year of Astronomy. What does this mean? It means the public will be targeted by a world-wide effort to raise awareness of what’s revolving above our heads. More precisely, we revolve under it, and I c... | <urn:uuid:d4362660-0d93-413f-96af-f27910667289> | 2.671875 | 1,565 | Personal Blog | Science & Tech. | 50.672883 | 1,115 |
Corals Corals All corals belong to the Phylum Cnidaria (Ni-da´-ri-a). The cnidarians are a natural group of invertebrate animals that have a simpler organization than most other inverte
The corals discussed in this article are capable of growing very fast. Fragging is in your future whether you realize it or not. Some ... | <urn:uuid:afe86adf-7a3a-4729-8461-cced1e447b66> | 3.234375 | 449 | Truncated | Science & Tech. | 38.486573 | 1,116 |
Use Default Code Snippets in .NET to Accelerate Coding
Knowing how to use default code snippets in .NET is really beneficial for any programmer. Code snippets are pre-written codes in .NET which programmer can quickly insert using shortcut keys. This makes programmer’s job easy by not having to retype frequent reused s... | <urn:uuid:c81f4c3b-186f-409c-8057-b096a9f8d66e> | 2.640625 | 628 | Tutorial | Software Dev. | 47.097176 | 1,117 |
DailyDirt: Life, But Not As We Know It
from the urls-we-dig-up dept
We've noted before that the classification of living things is a bit tricky. It's not just plants and animals anymore. Biologists are continuously discovering creatures that defy the old taxonomies. Here are just a few more examples of the incredible d... | <urn:uuid:85faa978-0869-4eae-9c24-2cf8ad183e29> | 2.546875 | 234 | Content Listing | Science & Tech. | 37.193206 | 1,118 |
The study of petroleum in both the saturated and unsaturated zones, to better understand the processes that control contaminant behavior, and to use this understanding to estimate the future behavior of the contaminants.
The bibliography provides citations pertinent to the effects of fire and its prescribed use on the ... | <urn:uuid:1704415c-7971-4b29-9f4b-3e5eba67664b> | 2.546875 | 165 | Content Listing | Science & Tech. | 11.059036 | 1,119 |
how to create a two-dimensional array?
Posted by yfpeng (yfpeng), 17 September 2002As I promised I will ask you more questions.
I guess we can use two-dimensional arrays in perl - I saw some examples but their elements are all hard-coded. I want to create an empty two-dimensional array first, then push elements into th... | <urn:uuid:ffde9ef0-7eeb-4286-9eb4-88e2957e2c13> | 3.09375 | 1,514 | Comment Section | Software Dev. | 78.113442 | 1,120 |
The burning of fossil fuels like coal, gas and oil releases particles into the atmosphere. When fossil fuels are not burned completely, they produce black carbon -- otherwise known as soot. Soot looks like a black or brown powder and though it's made up of tiny particles, it can have a big impact on climate.
Black carb... | <urn:uuid:4bec3b16-8808-45c8-a741-13815cc65911> | 4.34375 | 597 | Knowledge Article | Science & Tech. | 54.113747 | 1,121 |
setfsuid - set user identity used for file system checks
#include /* glibc uses
int setfsuid(uid_t fsuid);
setfsuid sets the user ID that the Linux kernel uses
to check for all accesses to the file system. Normally, the
value of fsuid will shadow the value of the effective
user ID. In fact, whenever the effective user ... | <urn:uuid:5265ab6b-9d40-44b4-9169-5ca2d64eac58> | 3.03125 | 355 | Documentation | Software Dev. | 46.508047 | 1,122 |
Science Fair Project Encyclopedia
Mist is a phenomenon of a liquid in small droplets floating through air. It can occur naturally as part of natural weather or volcanic activity, and is common in cold air above hot water, in exhaled air in the cold, and in a steam room of a sauna. It can also be created artificially wi... | <urn:uuid:37be06d5-2ae6-4b0e-8da4-7e7644cd38a5> | 3.125 | 151 | Knowledge Article | Science & Tech. | 45.384341 | 1,123 |
(Click to enlarge)
This image is of the solar eclipse earlier this week. Solar eclipses occur when the moon comes between the Earth and Sun. However, there's more to it than just that, otherwise we'd have a solar eclipse every ~28 days (one full lunar cycle).
When viewed edge on, the plane in which the moon orbits is s... | <urn:uuid:c439f314-1664-4d1c-830e-b989fad44188> | 4.09375 | 1,262 | Personal Blog | Science & Tech. | 56.817564 | 1,124 |
The western chorus frog is found in the middle to eastern portions of the North American continent. Its range extends from southern Quebec and northern New York west to South Dakota, then south to Kansas and Oklahoma (Harding 1997).
Western chorus frogs can be found in a variety of habitats, including marshes, meadows,... | <urn:uuid:64311fa3-046d-41ff-afac-2a6636023af4> | 3.625 | 1,823 | Knowledge Article | Science & Tech. | 45.199891 | 1,125 |
It has been nearly 200 years since we became aware of the Neanderthals, an extinct form of humans that once shared Europe and Asia with the modern humans. But it has been less than two years since we discovered that the Neanderthals were not the only archaic modern human around at the time. In short order, researchers ... | <urn:uuid:88a205a2-d204-4b25-954a-22b924ebf26a> | 3.171875 | 320 | News Article | Science & Tech. | 34.641045 | 1,126 |
You may remember 2004’s disaster movie and CGI delivery vehicle, The Day After Tomorrow. The premise of the film (which like any self-respecting disaster film, is excessively absurd) is that global warming suddenly plunges the world into the depths of an ice age. New York City drowns under the largest storm surge in hi... | <urn:uuid:f60b8262-9541-4c90-8a7e-e42f65ecaf05> | 3.59375 | 1,046 | News Article | Science & Tech. | 46.339761 | 1,127 |
Macroscopic Properties and Microscopic Models
As a simple example of how the macroscopic properties of a substanceA material that is either an element or that has a fixed ratio of elements in its chemical formula. can be explained on a microscopic level, consider the liquidA state of matter in which the atomic-scale pa... | <urn:uuid:788a26bb-3431-4e86-88e7-32adca8979c4> | 3.953125 | 1,156 | Academic Writing | Science & Tech. | 44.467513 | 1,128 |
Researchers in Spain and Norway reported in the periodical Nature they had found tree-like growth rings on the bones of mammals, a characteristic that until now was thought to be limited to cold-blooded creatures and dinosaurs.
They also found proof that dinosaurs probably had a high metabolic rate to allow fast growth... | <urn:uuid:610e771c-75f8-4bff-bd4c-483f5ffa2f9f> | 4.03125 | 474 | News Article | Science & Tech. | 37.310017 | 1,129 |
|Skip Navigation Links|
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|man pages section 3: Basic Library Functions Oracle Solaris 11 Information Library|
- get current file position information
#include <stdio.h> int fgetpos(FILE *stream, fpos_t *pos);
The fgetpos() function stores the current value of the file position indicator for the stream ... | <urn:uuid:12f66b29-9587-449a-a78e-ec2f43fce73a> | 2.71875 | 258 | Documentation | Software Dev. | 43.548332 | 1,130 |
The power operator binds more tightly than unary operators on its left; it binds less tightly than unary operators on its right. The syntax is:
Thus, in an unparenthesized sequence of power and unary operators, the operators are evaluated from right to left (this does not constrain the evaluation order for the operands... | <urn:uuid:832d6b1e-1229-44fa-9a1a-ad1e31b0a7a4> | 3.5625 | 291 | Documentation | Software Dev. | 47.856354 | 1,131 |
TRectangle = class(TShape)
class PASCALIMPLEMENTATION TRectangle : public TShape
TRectangle defines 2D rectangles with customized corners. It inherits TControl and can be used in styles to construct controls.
The rectangle size and position are defined by the following properties of the TRectangle object:
- The shape r... | <urn:uuid:415715e7-dda0-40f9-b473-16254eb3f60a> | 2.703125 | 300 | Documentation | Software Dev. | 23.4825 | 1,132 |
Scientists estimate that critically endangered North Atlantic right whales have lost 63 to 67 percent of their communication space in the Stellwagen Bank National Marine Sanctuary due to noise created by passing ships. The paper was published on August 14, 2012 in an early online edition of the journal Conservation Bio... | <urn:uuid:ef8d8f70-4c7e-4df0-bf0b-fde2ecdce13f> | 3.90625 | 898 | News Article | Science & Tech. | 42.199474 | 1,133 |
The aerosphere supports a range of animal life both at the Earth’s surface and in the air. While monitoring the movements and activities of terrestrial animals can be demanding, observation of volant organisms are even more challenging because they require novel technologies. Here we focus on the analysis of animal mov... | <urn:uuid:6f857cd1-63f5-4ad8-874b-e9be31a93fd4> | 3.515625 | 450 | Academic Writing | Science & Tech. | 5.338679 | 1,134 |
IB Environmental Studies/Ecosystem
Topic 2: The Ecosystem
Ecosystems are the biotic and abiotic factors in a specified area that interact with one another.
biotic factor - A living, biological factor that may influence an organism or ecosystem, such as producers-plants,consumers-animals etc
abiotic factors – A non-livi... | <urn:uuid:23c0eef0-e117-4709-8939-c19b7e242e2c> | 3.765625 | 1,014 | Knowledge Article | Science & Tech. | 21.57918 | 1,135 |
||June 14, 2001
GSA Release No. 01-18
Scientists Share Multidisciplinary Discoveries at "Earth System Processes"
(II) Session Highlights
- SESSION 23: Tuesday, June 26.
ARCHEAN EARTH AND CONTEMPORARY LIFE: THE TRANSITION FROM AN ANAEROBIC TO AN
AEROBIC MARINE ECOSYSTEM
Session 30 Abstracts ]
- Can you imagine our world... | <urn:uuid:392ec9ae-6956-4e6e-b56a-156c46fed533> | 2.84375 | 2,816 | News (Org.) | Science & Tech. | 16.67189 | 1,136 |
A Geometric Proof
See Also: Problem Solving with Heron's Formula
1. The incircle and its properties.
2. An excircle and its properties.
3. The area of the triangles is rs, where r is the inradius and s the semiperimeter.
4. The points of tangency of a circle inscribed in an angle are equidistant from the vertex.
Return... | <urn:uuid:cd57d55d-6149-46a7-8969-8de8714ca8d7> | 3.3125 | 97 | Tutorial | Science & Tech. | 74.45875 | 1,137 |
This web site is about Cascading Style Sheets as a means to separate the presentation from the
structural markup of a web site, and it will help you answer some of those frequently asked Questions,
explains some of the Basics of CSS, gives you tips and tricks for tackling
the problems with Netscape 4, offers you a tuto... | <urn:uuid:79f8bfea-782b-4dc8-b390-0c501a314f16> | 2.5625 | 557 | About (Org.) | Software Dev. | 53.443768 | 1,138 |
See also the
Dr. Math FAQ:
Browse High School Sequences, Series
Stars indicate particularly interesting answers or
good places to begin browsing.
Selected answers to common questions:
Strategies for finding sequences.
- Divergent Infinite Series [05/30/2003]
I bought a book _Praise for The Mathematical Universe_, by Wi... | <urn:uuid:a6f8a7d9-961d-42ff-b61f-f7f8028823b4> | 2.890625 | 2,270 | Q&A Forum | Science & Tech. | 95.26681 | 1,139 |
A 136-m-wide river flows due east at a uniform speed of 9 m/s. A boat with a speed of 1 m/s relative to the water leaves the south bank pointed in a direction 16° west of north. How long does the boat take to cross the river? Assume an xy coordinate system with the positive direction of the x axis due east and the posi... | <urn:uuid:24efdb04-aa9f-4dee-b76e-2828b63bf5bb> | 2.71875 | 92 | Q&A Forum | Science & Tech. | 80.496734 | 1,140 |
A triangle is inscribed in a circle. The vertices of the triangle divide the circle into three arcs of lengths 3,4,and 5. What is the area of the triangle?
Not sure how to start the problem...
Could I get some hints please?
You must draw a diagram. Inscribe a triangle in a circle.
Draw three radial segments, one from e... | <urn:uuid:f65c1bb5-3661-40a5-8ba0-a035c529ac8d> | 3.484375 | 340 | Q&A Forum | Science & Tech. | 104.82709 | 1,141 |
Delegates (C# Programming Guide)
A delegate is a type that defines a method signature. When you instantiate a delegate, you can associate its instance with any method with a compatible signature. You can invoke (or call) the method through the delegate instance.
Delegates are used to pass methods as arguments to other ... | <urn:uuid:0d00acab-afd5-4a68-acaf-f8e47e41ba68> | 4.5625 | 526 | Documentation | Software Dev. | 34.008319 | 1,142 |
Nasty, brutish, and short--Thomas Hobbes's famous description of life without government could as easily be applied to baboons. The primates are famous for their bad manners. However, a troop of baboons in Kenya has recently changed its ways. Researchers suggest that the relatively peaceable behavior is a type of cultu... | <urn:uuid:2387f851-83f6-4e7b-80f7-b9e78285d877> | 2.953125 | 508 | News Article | Science & Tech. | 39.492358 | 1,143 |
Polarization of radio waves transmitted through Antarctic ice shelves
Doake, C.S.M.; Corr, H.F.J.; Jenkins, A.. 2002 Polarization of radio waves transmitted through Antarctic ice shelves. Annals of Glaciology, 34. 165-170. 10.3189/172756402781817572Full text not available from this repository.
The polarization behaviou... | <urn:uuid:dc246a8e-0e10-4ff5-b495-b8be05d9a379> | 2.953125 | 284 | Academic Writing | Science & Tech. | 53.527312 | 1,144 |
A quadrilateral changes shape with the edge lengths constant. Show
the scalar product of the diagonals is constant. If the diagonals
are perpendicular in one position are they always perpendicular?
NRICH has always had good solutions from Madras College in St
Andrew's, Scotland but the solutions to this problem were tr... | <urn:uuid:8d5b2533-1a34-440b-9f92-e0d7f7a65a30> | 2.859375 | 114 | Academic Writing | Science & Tech. | 48.845098 | 1,145 |
Greenland Ice Sheet Melt Characteristics Derived from Passive Microwave Data
The Greenland ice sheet melt extent data, acquired as part of the NASA Program for Arctic Regional Climate Assessment (PARCA), is a daily (or every other day, prior to August 1987) estimate of the spatial extent of wet snow on the Greenland ic... | <urn:uuid:471a4be3-b5de-422c-bae0-c0d1f976e2cb> | 3.328125 | 370 | Knowledge Article | Science & Tech. | 34.724422 | 1,146 |
The international team of astronauts taking part in ESA's caving adventure have returned to Earth after spending six days underground. The voyage to the surface of our planet took them five hours from basecamp.
CAVES gives astronauts a taste of working as a safe and effective team during long spaceflights. In particula... | <urn:uuid:da1ff45f-8df0-4b6b-bcb1-426f4a7d6eb6> | 2.890625 | 404 | News Article | Science & Tech. | 28.146346 | 1,147 |
Satellite imagery from NASA's TRMM satellite showed that wind shear is pushing the bulk of rainfall away from the center of Tropical Storm Anais.
When NASA's Tropical Rainfall Measuring Mission (TRMM) satellite passed over Tropical Storm Anais on Oct. 16 at 0654 UTC (2:54 a.m. EDT), light to moderate rainfall was occur... | <urn:uuid:773b97df-db99-47c7-bab1-36a89be74619> | 3.03125 | 330 | News Article | Science & Tech. | 72.471554 | 1,148 |
Shining new light on dark matter
In the 1930s, astronomers discovered that many galaxy clusters observable from Earth have a much stronger gravitational field than they should have given their predicted mass. Further astronomical observations only added to this puzzle. After much consideration, it was concluded that so... | <urn:uuid:5ffda486-7c3b-4d30-ac79-4b772b89c2ef> | 3.890625 | 309 | News Article | Science & Tech. | 36.524402 | 1,149 |
Radio JOVE home page
The Galactic Background Radiation
The ever-present sound of our galaxy
by Dr. Leonard N. Garcia
|When making observations of Jupiter you may hear all kinds of radio
frequency interference. Most of the interference will likely be of terrestrial
origin and may be natural, like distant lightning strik... | <urn:uuid:aa4802f3-de79-4536-866d-b744d30c9426> | 3.0625 | 765 | Knowledge Article | Science & Tech. | 49.154834 | 1,150 |
The gem command is one of the most used Ruby-related commands, but most users don't take the time to learn anything past gem install and gem search. Learning the gem command well is an essential Ruby skill.
The gem command-line utility is split into a number of commands. Among these are the familiar install and search,... | <urn:uuid:b6d89e79-cbf4-48cc-9c11-f4650381ab55> | 2.703125 | 1,330 | Tutorial | Software Dev. | 55.000636 | 1,151 |
Pressure and Buoyancy Problems
Let's state the two working equations we have so far.
| Pressure and Depth: || P = Po + rgh |
|Buoyancy:|| Fbuoyancy = Weight displaced = rgVdisplaced |
The solutions to the problems below can be found at the end of this page. As always, try all the problems before looking at the solution... | <urn:uuid:d48331c1-3e49-40c6-8b4d-fd710bfe9652> | 3.25 | 1,366 | Tutorial | Science & Tech. | 91.524973 | 1,152 |
Trees Come 'From Out Of The Air' Says Nobel Laureate Richard Feynman. Really?
Originally published on Tue September 25, 2012 4:05 pm
Ask one of the greatest scientists of the 20th century a simple question, and his answer makes me go, "What? What did he just say?"
The question was: Where do trees come from?
Meaning, wh... | <urn:uuid:1b8ea010-a1ef-4cc7-9ae0-a5a425c06df3> | 2.953125 | 701 | News Article | Science & Tech. | 82.654486 | 1,153 |
Turtles to be climate change canaries
“Turtles are a really good way to study climate change because they depend on healthy beaches as well as mangroves, sea grass beds, coral reefs and deep ocean ecosystems to live”, said Dr. Lucy Hawkes, coordinator of an initiative to develop adaptation strategies for climate change... | <urn:uuid:38e4b43c-92b9-477f-864c-4cce528d1f90> | 3.546875 | 419 | News (Org.) | Science & Tech. | 28.603682 | 1,154 |
Parametric Cartesian equation:
x = a(cos(t) + t sin(t)), y = a(sin(t) - t cos(t))
Click below to see one of the Associated curves.
|Definitions of the Associated curves||Evolute|
|Involute 1||Involute 2|
|Inverse curve wrt origin||Inverse wrt another circle|
|Pedal curve wrt origin||Pedal wrt another point|
|Negative p... | <urn:uuid:6f821d81-329c-43a1-8627-0e356c489cd2> | 2.65625 | 363 | Knowledge Article | Science & Tech. | 35.319237 | 1,155 |
Science Fair Project Encyclopedia
The trade winds are a pattern of wind found in bands around the Earth's equatorial region. The trade winds are the prevailing winds in the tropics, blowing from the high-pressure area in the horse latitudes towards the low-pressure area around the equator. The trade winds blow predomin... | <urn:uuid:5bcdf32a-0830-494a-8ded-f3d80434eb16> | 3.90625 | 543 | Knowledge Article | Science & Tech. | 52.77384 | 1,156 |
Phylogenetic Analysis of Mexican Cave Scorpions Suggests Adaptation to Caves is Reversible
NEW EVIDENCE THAT SPECIALIZED ADAPTATIONS ARE NOT EVOLUTIONARY DEAD ENDS
Blind scorpions that live in the stygian depths of caves are throwing light on a long-held assumption that specialized adaptations are irreversible evolutio... | <urn:uuid:01fd82dc-292c-44ea-8c49-76842c63e612> | 3.578125 | 940 | News (Org.) | Science & Tech. | 11.007808 | 1,157 |
Little was known about this hydrogen-breathing organism before its genome sequence was determined. By utilizing computational analyses and comparison with the genomes of other organisms, the researchers have discovered several remarkable features. For example, the genome encodes a full suite of genes for making spores,... | <urn:uuid:f98faee8-b113-4114-800d-2befb0883078> | 4.1875 | 327 | Knowledge Article | Science & Tech. | 26.775693 | 1,158 |
Exception Handling in Visual COBOL.NET
Let's start by taking a look at a simple and pretty standard COBOL way of handling exceptions. We’ll then see how that same example would be coding in a managed environment utilizing Visual COBOL.NET.
COBOL developers like other Developers have for years used various techniques to... | <urn:uuid:0b2af34e-20f9-40cc-a461-985cd88ef8d0> | 2.703125 | 1,237 | Documentation | Software Dev. | 43.388779 | 1,159 |
Classification & Distribution
- incomplete development (egg, nymph, adult)
- closely related to Thysanoptera and Psocoptera
Distribution: Abundant worldwide. Found in most terrestrial and freshwater habitats.North America
Worldwide Number of Families4073 Number of Species3587>50,000
Life History & Ecology
Members of th... | <urn:uuid:6abddc74-7f17-4ddf-839f-d451d3f0d228> | 3.96875 | 1,149 | Knowledge Article | Science & Tech. | 28.587396 | 1,160 |
Moons are shaped by the same surface processes that
shape the planets. Several of the moons of the outer
planets are large enough to be thought of as planets
themselves. In fact, Jupiter's largest moon, Ganymede,
is larger than the planet Mercury.
Moon: NASA/USGS; Ganymede:
Io: NASA/JPL/University of Arizona; Triton:
!... | <urn:uuid:a92c7f4e-88c9-43da-97de-f1a6f8483f51> | 3.796875 | 172 | Tutorial | Science & Tech. | 56.172273 | 1,161 |
hi folks, i know DTD,CSS,XSL ans SCHEMA'S but i dont know where these will apply..be cos these seems to be individul. i want where xml using and how they are using ..what is the xml liknk with java. where exactly.. i mean one complete life cycle of xml. regards deva
Open Group Certified Distinguished IT Architect. Open... | <urn:uuid:1ac6a761-b838-4c86-8461-e41871be0aa4> | 2.671875 | 210 | Comment Section | Software Dev. | 65.094559 | 1,162 |
You will get the answer of your question if you think about the consequences of method local inner class using variables of the same method. Local variables of the method exists only for the lifetime of the method. When the method ends, the stack and the variable is also destroyed. But even after the method completes, ... | <urn:uuid:9fc63c5b-8ac2-4874-929b-fd56966d2a80> | 2.546875 | 392 | Q&A Forum | Software Dev. | 58.797229 | 1,163 |
A group of rows and columns. The x-axis is the horizontal row, and the y-axis is the vertical column. An x-y matrix is the reference framework for two-dimensional structures, such as mathematical tables, display screens, digitizer tablets, dot matrix printers and 2D graphics images.
Search For x-y matrix On ChannelWeb
... | <urn:uuid:0f375849-2c68-4d90-9bab-6a69151aed48> | 2.96875 | 96 | Structured Data | Science & Tech. | 54.298041 | 1,164 |
Washington, D.C. (November 30, 2010) -- One of the holy grails of nanotechnology in medicine is to control individual structures and processes inside a cell. Nanoparticles are well suited for this purpose because of their small size; they can also be engineered for specific intracellular tasks. When nanoparticles are e... | <urn:uuid:b5b9cf27-216a-4161-8688-c5e9e70ea11e> | 3.140625 | 726 | News (Org.) | Science & Tech. | 25.602309 | 1,165 |
Published by the American Geological Institute
Newsmagazine of the Earth Sciences
Monday, Jan. 29: A preliminary magnitude-7.9 earthquake struck India at 8:46 a.m. on Jan. 26. The death toll, originally estimated at 1,100, reached 20,000 by Monday morning. Most of the casualties were reported from the state of Gujarat ... | <urn:uuid:9f5c8b2b-8f69-49d8-8b64-a84c83f192d2> | 2.875 | 331 | News (Org.) | Science & Tech. | 48.514118 | 1,166 |
Sizing up Earthquake Damage: Differing Points of View
When a catastrophic event strikes an urban area, many different professionals hit the ground running. Emergency responders respond, reporters report, and scientists and engineers collect and analyze data. Journalists and scientists may share interest in these events... | <urn:uuid:a9c1c6e1-1061-4a80-b4d8-cd1f516c04f6> | 3.453125 | 1,471 | Knowledge Article | Science & Tech. | 31.868729 | 1,167 |
Greater DOF with secondary electron imaging is largely a matter of working distance--defined as the distance (in mm) from the objective lens to the top of the sample being imaged. Of course, the lenses in this type of instrument are electromagnetic (not glass) lenses, and can effect different crossover (focus) points b... | <urn:uuid:8197b1fa-fc76-4562-b21d-a175d8d77214> | 2.703125 | 693 | Comment Section | Science & Tech. | 57.02492 | 1,168 |
There is clear and unambiguous scientific evidence that documents how rising atmospheric carbon dioxide is leading to increasingly acidic seawater. This phenomenon has been termed ‘ocean acidification’ and presents a real threat to marine organisms that build their structures of calcium carbonate and, by extension, the... | <urn:uuid:a999f511-2a0e-4e8c-b946-fd64aefcb9ac> | 3.375 | 354 | News (Org.) | Science & Tech. | -2.786201 | 1,169 |
No, this is NOT the moon:
Credit to Bad Astronomy, which never disappoints!
The NASA probe Messenger flew by the planet Mercury last week, sending back the first close-up, high-resolution photos of the solar system's smallest planet. These images are exciting, and BA says it quite well:
But there’s a terrible beauty in... | <urn:uuid:ba6fe0ee-7d60-42ba-b16a-da0fc041313f> | 2.578125 | 263 | Personal Blog | Science & Tech. | 58.592717 | 1,170 |
Wondering why there was a thick layer of fog over the city this morning and afternoon?
This fog is called advection fog. It forms as a warm, moist air mass settles over the cooler Lake Michigan waters. Hot and humid air (temps in the 90s, dew points in the 70s) just west of Chicago comes over the cool Lake Michigan wat... | <urn:uuid:2eb9d563-4bfe-431f-865b-6965e64f8373> | 3.3125 | 255 | News Article | Science & Tech. | 61.842857 | 1,171 |
Particle looking more like Higgs boson
- From: AFP
- March 07, 2013
THE subatomic particle whose discovery was announced amid much fanfare last year, is looking "more and more" like it could be the elusive Higgs boson.
But in the latest update, physicists told a conference in La Thuile, Italy, that more analysis is nee... | <urn:uuid:c1e57fb0-0b5c-49df-8ff6-11f35caeb572> | 2.65625 | 357 | News Article | Science & Tech. | 43.041704 | 1,172 |
Curt Stager, a scientist at Paul Smiths College, is publishing an article later this month in the journal Science that describes an ancient drought that transformed Asia and Africa thousands of years ago.
The "H1 mega-drought" may have wiped out whole tribes of humans, as it dried up rivers and lakes across whole conti... | <urn:uuid:28f997e7-5544-41c7-a7f4-99ba7089b9e5> | 3.40625 | 951 | News Article | Science & Tech. | 58.143304 | 1,173 |
- Number 333 |
- March 21, 2011
An X-ray laser captures the structures of life
An X-ray laser captures the
structures of life
Two studies published recently in Nature demonstrate how the unique capabilities of the world’s first hard X-ray free-electron laser—the Linac Coherent Light Source, located at DOE’s SLAC Nation... | <urn:uuid:deb7f787-3426-41b8-ad30-9afa5e1d4864> | 3.203125 | 424 | News Article | Science & Tech. | 25.867902 | 1,174 |
Equilibrium inorganic chemistry underlies the composition and properties of the aquatic environment and provides a sound basis for understanding both natural geochemical processes and the behavior of inorganic pollutants in the environment. Designed for readers having basic chemical and mathematical knowledge, this boo... | <urn:uuid:9aa268dc-91cc-4d14-8963-7f0b0ad2d30b> | 2.96875 | 243 | Product Page | Science & Tech. | 5.724072 | 1,175 |
What determines how much coverage a climate study gets?
It probably goes without saying that it isn’t strongly related to the quality of the actual science, nor to the clarity of the writing. Appearing in one of the top journals does help (Nature, Science, PNAS and occasionally GRL), though that in itself is no guarant... | <urn:uuid:0fe1fa4f-99f0-436d-ba48-6f2e07ec325e> | 2.609375 | 1,918 | Personal Blog | Science & Tech. | 47.057576 | 1,176 |
One geoengineering proposal involves painting buildings white on a massive scale, to reflect sunlight
[LONDON] Decisions on whether and how to use massive technical solutions known as 'geoengineering' to mitigate or reverse climate change must involve developing countries, a session on geoengineering governance at the ... | <urn:uuid:21d047eb-3944-47fb-803c-72e5adb3b5a2> | 3.109375 | 843 | News Article | Science & Tech. | 25.675 | 1,177 |
Now, scientists with the Lawrence Berkeley National Laboratory have demonstrated the first technique that provides dynamic control in real-time of the curved trajectories of Airy beams over metallic surfaces. This development paves the way for fast-as-light, ultra-compact communication systems and optoelectronic device... | <urn:uuid:9318e603-9188-4da9-8b90-3e94e42165e3> | 2.890625 | 1,344 | News Article | Science & Tech. | 16.180275 | 1,178 |
Scientists have long held theories about the importance of proteins called B-type lamins in the process of embryonic stem cells replicating and differentiating into different varieties of cells. New research from a team led by Carnegie's Yixian Zheng indicates that, counter to expectations, these B-type lamins are not ... | <urn:uuid:f1a40e5b-b317-4e28-bbfc-3e107fe169aa> | 3.65625 | 441 | News Article | Science & Tech. | 36.629779 | 1,179 |
COLD SPRING HARBOR, N.Y. (Tues., June 1, 2010) -- Gel electrophoresis is one of the most important and frequently used techniques in RNA analysis. Electrophoresis is used for RNA detection, quantification, purification by size and quality assessment. Gels are involved in a wide variety of methods including northern blo... | <urn:uuid:95c87d41-efb2-4fab-a614-c70a21d1d1ea> | 2.84375 | 465 | News Article | Science & Tech. | 22.49146 | 1,180 |
Obviously, birds sing. But mice?
[Mice song sound.] That’s a mouse song.
Researchers have known about these high-pitched squeaky songs for years. But they only recently discovered that mice can learn the songs of other mice. Such vocal learning is a rarity among animals. We know of only three kinds of birds—parrots, hu... | <urn:uuid:04438b5d-ad98-462e-8d8d-6e6984464144> | 3.21875 | 283 | Audio Transcript | Science & Tech. | 56.519622 | 1,181 |
The layout page is primarily designed to be the top-level page of the web UI. The idea is to set up a layout page as the navigation URL for the browser, so the layout page fills the browser window. You then arrange your functional windows within the layout page - a command window, a status line window, etc. This arrang... | <urn:uuid:5bdc56f5-0d2f-4436-aeed-56278c491e69> | 2.640625 | 689 | Documentation | Software Dev. | 62.755695 | 1,182 |
Because endemic species - native species not found outside the state - make up nearly half of all California's native plants, a changing climate will have a major impact on the state's unparalleled plant diversity, the researchers warn.
Photo © 2001 Tony Morosco(Scott Loarie and David Ackerly/UC Berkeley)
The researche... | <urn:uuid:8f56905a-c78f-4877-8382-117ab4a5e671> | 3.515625 | 1,578 | News Article | Science & Tech. | 33.778309 | 1,183 |
Location: Prince William Sound, Alaska
Material spilled: North Slope crude oil
Amount spilled: 10.8 million gallons
Spill extent: 1,300 miles of coastline
Many factors complicated the cleanup efforts following the spill. The size of the spill and its remote location, accessible only by helicopter and boat, made governm... | <urn:uuid:9f8cb76c-ece4-4ad1-962d-c2fcb2784629> | 3.15625 | 527 | News (Org.) | Science & Tech. | 31.94765 | 1,184 |
Fossil range: Early Paleocene - Recent
| Ammospermophilus leucurus|
Forty percent of mammal species are rodents, and they are found in vast numbers on all continents other than Antarctica. Common rodents include mice, rats, squirrels, chipmunks, gophers, porcupines, beavers, hamsters, gerbils, guinea pigs, chinchillas ... | <urn:uuid:076634c7-bef0-4102-9d72-986c3aced601> | 3.5625 | 3,997 | Knowledge Article | Science & Tech. | 43.927548 | 1,185 |
How a nuclear reactor makes electricity
A nuclear reactor produces and controls the release of energy
from splitting the atoms of uranium.
Uranium-fuelled nuclear power is a clean and efficient way of
boiling water to make steam which drives turbine generators. Except
for the reactor itself, a nuclear power station wor... | <urn:uuid:c259cc03-df21-435b-b4d6-fb7b27710b2b> | 4.125 | 738 | Knowledge Article | Science & Tech. | 35.885882 | 1,186 |
If current forecast trends continue, you'll likely need the umbrella more than the sunglasses this winter in the twin states, thanks to El Nino.
El Nino is Spanish for the 'Christ Child,' because its effects usually begin to show up around Christmas in certain years and these effects are felt far and wide as weather pa... | <urn:uuid:427388df-34a5-4b7a-875f-5b2e74ea3698> | 3.171875 | 220 | News Article | Science & Tech. | 50.503 | 1,187 |
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
2006 July 18
Explanation: Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the g... | <urn:uuid:8a5305ba-9694-429f-a0c5-d255dd350e04> | 3.515625 | 243 | Knowledge Article | Science & Tech. | 45.644455 | 1,188 |
Whether they’re toys that shine in the night, black lights, glow sticks or fireflies, things that produce an eerie glow are fascinating. Give a kid a glow-in-the-dark toy or paper her ceiling in dimly shining plastic stars, and she will be occupied forever. She’ll find ever brighter lights to charge them up, ever darke... | <urn:uuid:c05ab62e-2728-42c0-bfc6-01e5f75eafc8> | 3.53125 | 1,083 | Personal Blog | Science & Tech. | 49.596934 | 1,189 |
Expanding the Ark - advancing invertebrate conservation
24 May 2004 | News story
Gland, Switzerland, 24 May 2004 (IUCN)-The World Conservation Union. 'Expanding the Ark' neatly summarises the aims of the invertebrate specialists who gathered at the American Museum of Natural History in New York for a symposium recently... | <urn:uuid:cea10659-8d1c-4d77-9527-fc5df3b16a17> | 3.265625 | 721 | News (Org.) | Science & Tech. | 14.256559 | 1,190 |
|Date of discovery||May 15, 2005|
|Name of discoverer||Hubble Space Telescope Pluto Companion Search Team|
|Name origin||Mythical 9-headed monster; second initial of "New Horizons" mission|
|Order from primary||3|
|Semi-major axis||64,780 km|
|Sidereal month||38.206 da|
|Inclination||0.22° to Pluto's equator|
|Equatori... | <urn:uuid:085cbc8e-5b07-4163-9b83-27b65c9eef2f> | 3.265625 | 1,190 | Knowledge Article | Science & Tech. | 68.36804 | 1,191 |
October 25, 2012
New Seafloor Bacteria Discovered, Built like Undersea Electric Cables
By Colleen Lynch
An undersea mystery has finally been solved, but the answer is almost a mystery in itself. Researchers from Aarhus University in Denmark have discovered that areas of the seafloor which were strangely able to conduct... | <urn:uuid:a4fa17ea-6097-4805-97c8-54861df8d112> | 3.453125 | 441 | News Article | Science & Tech. | 23.617803 | 1,192 |
Weather, temperature, carbon, water, soil and all other kinds of climate related open data. Including (but not limited to) data about:
- the atmosphere
- the weather
- air quality
- the ocean
- water levels
- water quality
- carbon emissions
- soil erosion
Existing Lists of Climate Datasets to Migrate Here
Conjunts de ... | <urn:uuid:32e54bb8-4673-48eb-b926-802e1f504dbc> | 2.515625 | 366 | Content Listing | Science & Tech. | 29.689469 | 1,193 |
Some 3.5 billion years ago, a single-celled organism now named LUCA (for the Last Universal Common Ancestor of all life on Earth) developed the ability to pull oxygen out of its environment. Although LUCA is long gone, University of Hawaii microbiologist Maqsudul Alam has taken a step toward understanding the secret be... | <urn:uuid:6f68e90c-6447-4914-90b4-113218e933d7> | 3.9375 | 432 | Knowledge Article | Science & Tech. | 31.719075 | 1,194 |
Memory-mapped file objects behave like both bytearray and like file objects. You can use mmap objects in most places where bytearray are expected; for example, you can use the re module to search through a memory-mapped file. You can also change a single byte by doing obj[index] = 97, or change a subsequence by assigni... | <urn:uuid:b636de05-d717-47af-ac57-614e8a8186c6> | 3.015625 | 1,910 | Documentation | Software Dev. | 56.802515 | 1,195 |
A new kind of thyristor – an electronic switch – has the potential to change the landscape for power control and conversion. And it's thanks to a partnership between the Energy Department’s Sandia National Laboratory (SNL) and GeneSiC Semiconductor that this technology is now on the market. Learn more.
Inefficient ligh... | <urn:uuid:412b9804-40d5-49c9-8f56-9daa1cb39062> | 2.625 | 236 | Content Listing | Science & Tech. | 34.875 | 1,196 |
Morphological and genetic variation indicate cryptic species within Lamarck’s little sea star, Parvulastra (=Patiriella) exigua
Hart, Michael W., Keever, Carson C., Dartnall, Alan J., and Byrne, Maria (2006) Morphological and genetic variation indicate cryptic species within Lamarck’s little sea star, Parvulastra (=Pat... | <urn:uuid:155fce45-1d5e-4c35-a076-090f6f87d6e5> | 2.8125 | 587 | Academic Writing | Science & Tech. | 22.378719 | 1,197 |
VLTI observations of the radii of four small stars
The radii and masses of the four very-low-mass stars now observed with the VLTI, GJ 205, GJ 887, GJ 191 (also known as "Kapteyn''s star") and Proxima Centauri (red filled circles; with error bars). For comparison, planet Jupiter's mass and radius are also plotted (blue... | <urn:uuid:0fe245f7-49df-4a89-861a-e329222c30b8> | 2.890625 | 180 | Truncated | Science & Tech. | 52.377531 | 1,198 |
Planning Begins for Experiment to Study Influence of Aerosols on California Water Supply
September 10, 2008
Researchers from NOAA's Earth System Research Laboratory will participate in the CalWater: Energy, Water, and Regional Climate Planning Meeting on September 15-17, 2008 at Scripps Institute of Oceanography in La ... | <urn:uuid:ae3fc182-46be-4454-8a2c-b1b4d10bc2e6> | 2.828125 | 356 | News (Org.) | Science & Tech. | 7.021697 | 1,199 |