text large_stringlengths 148 17k | id large_stringlengths 47 47 | score float64 2.69 5.31 | tokens int64 36 7.79k | format large_stringclasses 13
values | topic large_stringclasses 2
values | fr_ease float64 20 157 |
|---|---|---|---|---|---|---|
Tuesday 21 May
Peppered moth (Biston betularia)
What’s the World’s Favourite Species?Find out here.
Peppered moth fact file
- Find out more
- Print factsheet
Peppered moth description
In its typical form, the Peppered Moth has pepper-and-salt camouflage pattern. In some areas it also has a sooty black or ‘melanic’ form... | <urn:uuid:dfca586e-d771-4d4b-b9e3-e64d15ccf913> | 3.4375 | 1,105 | Knowledge Article | Science & Tech. | 53.239343 |
Sometimes the shape is more complicated. In this case you need to calculate 'missing' lengths and be particularly careful to include all the sides.
Perimeter = 2 + 2 + 3 + 3 + 5 + 5 = 20 cm
A plan of a play area is shown below:
a) Calculate the length of x and y
b) Calculate the perimeter of the play area.
a) The lengt... | <urn:uuid:962686c0-830f-46f3-a2dd-f3ac58da2569> | 3.28125 | 218 | Tutorial | Science & Tech. | 80.780128 |
Tuples are the most basic infrastructure that the framework builds with. This sub-library provides a mechanism to bundle objects of arbitrary types in a single structure. Tuples hold heterogeneous types up to a predefined maximum.
Only the most basic functionality needed are provided. This is a straight-forward and ext... | <urn:uuid:95a2ecd3-cd1a-4439-9db2-e939243f8f41> | 3.53125 | 591 | Documentation | Software Dev. | 64.540833 |
Written for the KidsKnowIt Network by:
Gemma Lavender, MPhys, FRAS
Ever wondered where stars are made? Well, now you are about to find out! Just where these hot balls of gas start their lives begins in what astronomers call a nebula (plural: nebulae) and they are basically the nurseries of the Universe. Do you remember... | <urn:uuid:1fb297ee-e3e9-42d5-8ad9-7ab8eb1229d8> | 3.84375 | 1,770 | Knowledge Article | Science & Tech. | 64.163734 |
by Jeanette Cain
Conquering gravity, floating and levitation is becoming more of a reality and less likely good science fiction reading. Ning Li at the University of Alabama, works on a device in the laboratory that she believes will one day change the world.
Since Newton's famous apple story, the majority have believe... | <urn:uuid:8f762a1b-2c5b-4522-bcdb-5fb409cf2db3> | 3.421875 | 1,299 | Nonfiction Writing | Science & Tech. | 40.117232 |
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
You are not logged in.
Post a reply
Topic review (newest first)
A maths teacher said I am wrong but never explained why. Confused...
Okay, thank you!
Oh yes, I'm terrible for only half reading the question. I... | <urn:uuid:2b7a2460-fffb-4d49-96e1-08433812fb6a> | 2.890625 | 518 | Comment Section | Science & Tech. | 86.254201 |
THE Universe is home to as many invisible galaxies as visible ones, according to astronomers in Scotland. This, they claim, explains two mysteries at once: why images of distant quasars can appear distorted despite the absence of a visible object in its path, and what became of the many blue galaxies that populated the... | <urn:uuid:2fc52246-0e3c-4e47-9820-d04215f0509e> | 4.3125 | 209 | Truncated | Science & Tech. | 46.830989 |
Most people associate the name Charles Darwin with the theory of evolution by natural selection. But in 1842, 17 years before he published his groundbreaking Origin of Species, Darwin gained recognition for another theory, this one in the field of geology.
The theory explained the formation of atolls, low-lying coral i... | <urn:uuid:a5ad0f7a-671e-4edb-84e0-5e6fb2a5a1d0> | 3.65625 | 140 | Knowledge Article | Science & Tech. | 46.691351 |
Its extremely unusual for orbit to be circular - alah Kepler orbits are normally elliptical!
Too I am not bothering with equinox's every 27,000 years!
Then gravitational & tidal processes - [a land-tide, estimated at about 8 inches (20 cms) is our present slow roller-coaster] - slowed down the Moon's SPIN until locked ... | <urn:uuid:7cb5b472-d9af-465a-a46f-cfaae5e25f96> | 3.859375 | 1,130 | Knowledge Article | Science & Tech. | 58.522763 |
Air is reasonably transparent, but over long distances, things such as humidity, turbulence, and the like can distort images. This is because the density of air isn't the same everywhere, and it changes in time and space. The situation becomes even more complicated when trying to look through fog, biological tissues, o... | <urn:uuid:88f0fe71-bd62-495b-9414-8d00c37d89bb> | 3.75 | 911 | Knowledge Article | Science & Tech. | 33.535522 |
The oyster population is in peril in Maryland with only 0.3% of its 19th century population remaining. 1 This is due to a variety of factors including water pollution from numerous sources. The desire to save this species is so great that the State of Maryland is encouraging private dock owners to assist in the re-popu... | <urn:uuid:9b9e5ee3-375d-4f94-9a11-6e167fdb31af> | 3.265625 | 415 | Personal Blog | Science & Tech. | 42.49102 |
Jun 8, 2012
Parasitic Plants Steal Genes from Their Hosts
Vertical gene transfer is that between parents and their offspring, while horizontal gene transfer is the movement of genes between two different organisms. Bacteria use horizontal gene transfer to exchange resistance to antibiotics. Recent studies have shown th... | <urn:uuid:3d65c431-b3cb-4c37-a85a-26247cf06cab> | 3.625 | 384 | Truncated | Science & Tech. | 21.691721 |
When Dan Rugar first heard about an idea for a new microscope that could peer beneath the surface of molecules and pick out individual atoms, he was skeptical. Scientists had dreamed of having such a device to help them unravel the complex structures of proteins, spot the defects in semiconductors, and solve a thousand... | <urn:uuid:e0dafc01-6361-4ba3-860c-c0a1fca41814> | 3.546875 | 2,823 | Nonfiction Writing | Science & Tech. | 44.089017 |
DUST and Dust-storms.
Poussiere, Poudra, • Fs. I Gird, Staub, Ohrfeige, . GER. Polvere, . . . Ir. Khak, Pesbash, . TURK.
Dust is earried along with winds to great dis tances. Sirocco or African dust has been found by the microscope to consist of infusoria and organ isms whose habitat is, not Africa but S. America, and ... | <urn:uuid:499e88be-e82f-4103-b3b3-3cd3a193ec25> | 3.109375 | 1,678 | Knowledge Article | Science & Tech. | 60.331214 |
Receding Moon and Lunar Origin
If the moon is moving away from the earth at approximately
1.5 inches a year,and the earth is approximately 4.5 billion years
old. Then how far was the moon from the earth then? Would 4.5
billion years times 1.5 inches = miles from earth. The moon being
221,463 miles, how accurate would t... | <urn:uuid:3ce0d900-8572-4ff8-85ad-57b3a370dec1> | 3.34375 | 446 | Q&A Forum | Science & Tech. | 65.560174 |
(This is also featured as a guest post on Skeptical Science)
The greatest source of uncertainty in understanding climate change is arguably due to the role of aerosols and clouds. This uncertainty offers fertile ground for contrarians to imply that future global warming will be much less than commonly thought. However,... | <urn:uuid:71c046db-8e0f-4adb-8226-2f52f4e1b93a> | 3 | 1,435 | Personal Blog | Science & Tech. | 39.911424 |
Java has the feature of the playing the sound file. This program will show you how to play a audio clip in your java applet viewer or on the browser.
For this example we will be creating an applet called PlaySoundApplet.java to play sound. There are two buttons to play the sound in Loop and to Stop the sound.
The play(... | <urn:uuid:fb0d0752-ff96-44fa-a463-ac4d5f2155b5> | 2.859375 | 333 | Tutorial | Software Dev. | 58.437917 |
Theorists were talking about them as early as the 1960’s, but the first confirmed observation of a brown dwarf, an object that’s more than a planet but not quite a star, didn’t come until 1994. Since then, astronomers have been making up for lost time, trying their best to understand these cosmic oddballs. Now a team b... | <urn:uuid:0355f801-72f8-4b12-a6b1-f3fb5dd319d2> | 4.03125 | 862 | Truncated | Science & Tech. | 47.212383 |
Looking at the shape of its outside shell, you can easily see why a horseshoe crab (or Limulus polyphemus) got the "horseshoe" part of its name, but what about the "crab"? People once thought the horseshoe crab was a crab, but the animal is, in fact, more closely related to the common garden spider than to a blue crab.... | <urn:uuid:831481f1-b8db-4ac4-9e58-998ff69d9538> | 3.921875 | 912 | Knowledge Article | Science & Tech. | 52.120518 |
The physical realities of global warming
Posted on 26 November 2009 by John Cook
Global warming is happening before our very eyes. All over the world, from the Arctic to Antarctica, scientists are observing the impacts of climate change. In the three years since the IPCC Fourth Assessment Report (AR4) was drafted, hund... | <urn:uuid:24d0f420-8cc8-4765-a405-c1433b321213> | 3.203125 | 1,274 | Nonfiction Writing | Science & Tech. | 46.615384 |
The uncommon wombat
The underground lifestyle and nocturnal habits of wombats mean they can be hard to catch sight of, but this time of year provides a great opportunity to spot the world's largest burrowing herbivore.
Wombats have a reputation for being muddle-headed, plodding and dozy. But this doziness actually mask... | <urn:uuid:c620599c-7371-4bab-8ff3-3541ac10288b> | 3.6875 | 1,994 | Knowledge Article | Science & Tech. | 56.294057 |
Originally posted by ImaFungi
reply to post by ButtUglyToad
how do numbers occupy space and time?
numbers as in, there exists 50 stars... the number of 50 exists?
The Space-Time of numbers was assigned back during the days of Aristotle, Plato, Socrates. What numbering system did they use? Roman Numerals!
Roman Numerals... | <urn:uuid:ceba94cd-a75f-491e-b3b1-49f4c0275936> | 3.453125 | 452 | Comment Section | Science & Tech. | 49.724274 |
Science Fair Project Encyclopedia
Pteronura Otters are aquatic or marine carnivorous mammals, members of the large and diverse family Mustelidae, which also includes weasels, polecats, badgers and others. There are 13 species of otter in 7 genera, with a distribution that is almost worldwide.
Otters have a dense layer ... | <urn:uuid:a83949af-ef75-4fdd-8c5c-8930871221fd> | 3.875 | 1,227 | Knowledge Article | Science & Tech. | 43.912333 |
Featured Science Paper
Rapid deglaciation of Marguerite Bay, western Antarctic Peninsula in the Early Holocene
This paper reports new glacial geological data that provide evidence for the timing of ice-sheet retreat and thinning at the end of the last glaciation (~10,000 years ago) in Marguerite Bay, on the west coast ... | <urn:uuid:f018bb1b-64b3-4aed-aa90-19287e478719> | 3.390625 | 379 | Academic Writing | Science & Tech. | 51.743548 |
|Serial Line IP Implementation for Linux Kernel TCP/IP Stack|
|<<< Previous||Implementation Details||Next >>>|
In the C programming language the I/O space address can be accessed using the functions inb() an outb(). The function declaration of inb() and outb() is given below.
char inb(char address); outb(char pattern, ... | <urn:uuid:ead6660e-8e42-4596-8b1a-f21fe0150a65> | 3.359375 | 651 | Documentation | Software Dev. | 46.869978 |
The top 10 monkeys
There are 264 known monkey species. Here are the best ones.
8. Spider monkey
It goes without saying that if Spider-Man were a monkey, he'd be a spider monkey. Living 80 to 100 feet above the ground in the tropical forests of Central and South America, this monkey has a long prehensile tail with a tac... | <urn:uuid:2211afa9-4f35-46d2-a941-568ec64e46ad> | 2.9375 | 137 | Listicle | Science & Tech. | 63.695 |
Natural CO2 seepage sites
Natural CO2 seepage will be studied in ECO2 as analogues for CO2 leakage. A number of key processes controlling leakage pathways and impacts on biota will be studied in situ by including natural analogue sites as additional study sites. Moreover, natural analogues will serve as test beds for t... | <urn:uuid:f52ed547-7849-497c-b25e-7cb6920d43f5> | 3.1875 | 334 | Knowledge Article | Science & Tech. | 27.842558 |
Fact: our natural resources are limited, and we’re using them at an unsustainable rate. So, we need to find new energy sources. As wind energy and solar power become more common, scientists are testing potential new sources of energy to power our homes, workplaces, and industries. Recently, we came across an entertaini... | <urn:uuid:eba078b2-f542-4c5c-9b31-877404d4bac9> | 3.296875 | 396 | Listicle | Science & Tech. | 43.307076 |
Look up monthly U.S., Statewide, Divisional, and Regional Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts
Colorado Tempe... | <urn:uuid:42bbfaf7-e947-474d-89a4-1b42332c31a1> | 2.703125 | 139 | Structured Data | Science & Tech. | 50.786218 |
Regarding plasma: I understand that ionized hydrogen
would separate the proton from the electron. What about heavier gases? Do
all or only part of the electrons ionize from the nucleus depending upon
the amount of ionizing energy? Thanks in advance. Doug Broyles
Generally, only some of the electrons will depart. As you... | <urn:uuid:609e3be3-a405-4722-91f1-0b68a9ee2c71> | 2.84375 | 130 | Q&A Forum | Science & Tech. | 50.255658 |
Many injurious invasives come by water. Asian carpincluding the common, black and bighead varietywere brought to the U.S. in the 1970s as live vacuum cleaners meant to remove algae and suspended matter from ponds. These fish can grow to 100 pounds and will eat just about anything, adapting shockingly well to new enviro... | <urn:uuid:5330443b-68d0-432f-a1a1-dd35dad94009> | 2.828125 | 113 | Knowledge Article | Science & Tech. | 41.766739 |
Sep. 12, 2008
We use our hands to play flamenco guitar, crochet a sweater and grip a baseball bat...but how did we get such great dexterity? In this segment of Science Friday, guest host Joe Palca takes a look at how humans came up with such a great hand.
AVAILABLE IN ITUNES
Michael Pollan Talks Plants and Food
We are ... | <urn:uuid:8ed3202b-2a6d-4d1a-9eb7-5b45c3cac440> | 2.859375 | 259 | Content Listing | Science & Tech. | 60.101132 |
- Unix, Linux Command
enc - symmetric cipher routines
openssl enc -ciphername
The symmetric cipher commands allow data to be encrypted or decrypted
using various block and stream ciphers using keys based on passwords
or explicitly provided. Base64 encoding or decoding can also be performed
either by itself or in additi... | <urn:uuid:51fda2df-2ec1-4167-8dd6-a74a10fac4bb> | 3.46875 | 1,936 | Documentation | Software Dev. | 73.244274 |
A "wavepacket" is simply a single composite wave made up of two or more individual waves combining with each other in a consistent fashion over time. Wavepackets are an important concept in quantum mechanics. For an electron, atom, molecule, or any other quantum system, an individual quantum state can be represented as... | <urn:uuid:ba50539f-d0fa-441e-9384-1c3ddc0c5d99> | 3.5625 | 171 | Knowledge Article | Science & Tech. | 24.953896 |
Science Fair Project Encyclopedia
Curvature is the amount by which a geometric object deviates from being flat. The word flat might have very different meanings depending on the objects considered (for curves it is a straight line and for surfaces it is a Euclidean plane).
In this article we consider the most basic exa... | <urn:uuid:7526d5c3-cedd-4a6f-8fda-a1de36fb427a> | 4.25 | 1,129 | Knowledge Article | Science & Tech. | 34.356112 |
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.
August 20, 1997
Explanation: Has Orion the Hunter acquired a new weapon? If you turn your head sideways (counterclockwise) you might notice the fami... | <urn:uuid:ea97c227-4799-4b89-b761-8b07b55360fc> | 2.84375 | 222 | Knowledge Article | Science & Tech. | 46.085714 |
The Element Meitnerium
[Click for Isotope Data]
Atomic Number: 109
Atomic Weight: 278
Melting Point: Unknown
Boiling Point: Unknown
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 7 Group Number: 9 Group Name: none
Radioactive and Artificially Produced
What's in a name? Named after the sci... | <urn:uuid:c4e6fb54-9faa-403f-8a9c-8ccf4a1edb8f> | 3.71875 | 394 | Knowledge Article | Science & Tech. | 46.440126 |
Global Climate & Energy Project
HydrogenHydrogen Effects on Climate, Stratospheric Ozone, and Air Pollution
Start Date: January 2004
Mark Z. Jacobson, Civil and Environmental Engineering, David M. Golden, Mechanical Engineering, Stanford University
This project studies the potential effects on climate, stratospheric oz... | <urn:uuid:b2d3b069-a71c-4786-9398-abe0e4a419cd> | 2.859375 | 1,099 | Academic Writing | Science & Tech. | 41.378274 |
I came across an interesting article today from ScienceBlog on a couple of new research tools aimed at helping developers find what they're looking for in APIs. The tools have been constructed as part of the Natural Programming Project at Carnegie Mellon University.
Apatite (which stands for Associative Perusal of APIs... | <urn:uuid:8bfb9d9d-d83c-4394-b7d8-fbf458f0eadd> | 2.796875 | 263 | Personal Blog | Software Dev. | 37.91422 |
"A whole number x is odd only if x^2 is an odd whole number."
a) Write it as a conditional statement.
b) Write it's reciprocal.
c) Write its counterpositive.
" If A and B are sets, and A is a subset of B, then A U B = B."
a) Write its reciprocal.
b) Write its counterpositive. | <urn:uuid:580c84fd-c2d2-4286-8fc8-ec39810a6113> | 3.359375 | 83 | Q&A Forum | Science & Tech. | 81.317368 |
One of the reasons Jellies are invading the oceans is because they can survive environmental changes that have negatively affected other forms of sea life. Did you know jellies have survived for over 500 million years?!They were here even before dinosaurs.
The key to this survival is their ability to adapt and thrive t... | <urn:uuid:fbe3ef0b-0a8d-477d-b87a-3f3e7d6a5bfd> | 3.28125 | 151 | Personal Blog | Science & Tech. | 43.841778 |
Saving Trees and Ozone
How does saving trees effect the ozone layer?
Could I please get the answer as soon as possible?
There are two different types of ozone in your question:
One is bad ozone:
Trees help lower ozone and pollutant levels in cities:
The other is the good ozone layer (15-40 km above the earth's surface)... | <urn:uuid:a90806dc-6059-497d-8b82-6ad7f6eab982> | 3.265625 | 152 | Q&A Forum | Science & Tech. | 53.434762 |
Stunning news! Not really surprising though (nor necessarily encouraging), but here it is. In the most recent bulletin by the World Meteorological Organization (WMO), issued at the time of writing (Monday, November 21, 2011), data show a steady increase in the amount of greenhouse gases (GHGs) in the atmosphere (PDF). ... | <urn:uuid:d10a5cec-36c8-4840-b0c5-723ccac315fb> | 3.0625 | 614 | Personal Blog | Science & Tech. | 48.626471 |
Geoscientists sail to Antarctica to study plate tectonics, glaciology and climate change
Dr. Richard Alley is a professor of glaciology from Pennsylvania State. “Carbon dioxide is the biggest control knob on the global warming dial,” said Alley who described how geoscientists use satellites and other geophysical tools ... | <urn:uuid:3bcff3c9-d1ae-4b97-886e-7f10c31ecf79> | 3.359375 | 206 | Personal Blog | Science & Tech. | 38.523396 |
Hayden Planetarium Programs
Frontiers Lecture: Other Earths and Life In the Universe
March 11, 2013
Science fiction portrays our Milky Way Galaxy as filled with habitable planets populated by advanced civilizations engaged in interstellar trade, conflict, super-technology, and romance. Back in our real universe, Earth-... | <urn:uuid:08e7256b-9f76-45c3-8478-71bfbc8a3538> | 2.96875 | 313 | Content Listing | Science & Tech. | 31.735579 |
(Science: botany) Pertaining to, or resembling, a natural order (Orchidaceae) of endogenous plants of which the genus orchis is the type. They are mostly perennial herbs having the stamens and pistils united in a single column, and normally three petals and three sepals, all adherent to the ovary. The flowers are curio... | <urn:uuid:54c68e0b-6fd1-4966-8a03-66cef036a61a> | 3.359375 | 134 | Structured Data | Science & Tech. | 30.154309 |
List Parsers are generated by the special predefined parser generator object list_p, which generates parsers recognizing list structures of the type
item >> *(delimiter >> item) >> !end
where item is an expression, delimiter is a delimiter and end is an optional closing expression. As you can see, the list_p generated ... | <urn:uuid:af476845-ab05-4564-a080-ad4555ad0b8b> | 3.03125 | 1,033 | Documentation | Software Dev. | 38.073916 |
October 23, 2005
A credit card number must be from 13 to 16 digits long. The last digit of the number is the check digit. That number is calculated from an algorithm (called the Luhn formula or MOD 10) on the other numbers. This is to spot typos when a user enters a number, and I assume was to allow detecting an error ... | <urn:uuid:503aee30-ebd0-49f2-ba93-a5a3caaaa613> | 2.859375 | 310 | Tutorial | Software Dev. | 67.827688 |
Understanding Transport Models
SOAP is not a completely transparent solution, and Web service developers must look under the covers of SOAP, at the lower-level transport mechanisms and models to inspect how they are implemented. In the simple case, the platform will automatically generate the code and SOAP messaging co... | <urn:uuid:7cc7200f-50e5-4ca4-846b-5724907e6eb2> | 2.765625 | 962 | Knowledge Article | Software Dev. | 46.109097 |
It eats insects and it looks like a snake! Kind of like herping, right? On Thursday I drove up to the Sierras in search of one of the coolest plants in the US, the Cobra Lily or California Pitcher Plant (Darlingtonia californica
). They are native to the northern Sierras and coastal Oregon, and tend to be found only on... | <urn:uuid:62ef1156-0d6f-4d62-b081-7a4e4a506874> | 3.078125 | 237 | Comment Section | Science & Tech. | 49.418136 |
Understanding nature and transferring its traits to technology is not only the objective of bionics, but also of marine biology and microbiology.
Bionics, marine biology or microbiology. Here you can find scientific reports and articles about achievements and developments in the fields of bionics, marine biology and mi... | <urn:uuid:f452d5b4-688c-44c2-bcf6-5331cd1d1b9c> | 2.75 | 1,646 | Content Listing | Science & Tech. | 34.973237 |
Irrational Functions with Higher Indices
The square root function is the inverse of the polynomial y = x2. All of the polynomials whose equation is y = xn, where n is a positive integer, have inverses. Take a moment to use your graphing calculator to look at the graphs of y = x4, y = x6, and y = x8. Do you see that the... | <urn:uuid:59c7feac-1616-4628-95cd-d800d4680baa> | 3.4375 | 281 | Tutorial | Science & Tech. | 67.482857 |
Click on any phrase to play the video at that point.Close
I'm Dr. David Hanson, and I build robots with character. And by that, I mean that I develop robots that are characters, but also robots that will eventually come to empathize with you. So we're starting with a variety of technologies that have converged into the... | <urn:uuid:483956c2-368e-4b19-82a0-597876e7e7f6> | 2.953125 | 1,074 | Audio Transcript | Science & Tech. | 51.736003 |
09.08.10 - A new video shows how NASA maps pine beetle outbreaks, and what impact the beetle damage might have on forest fires.
09.07.10 - In the midst of a difficult fire season in many parts of the world, the United Nations' (UN) Food and Agriculture Organization has launched a new online fire detection system that w... | <urn:uuid:2e2ab4f6-10dd-4b4a-a5f8-8ebb6408cf2c> | 3.453125 | 801 | Content Listing | Science & Tech. | 55.681152 |
Country distribution from AmphibiaWeb's database: Brazil
View distribution map using BerkeleyMapper.
IUCN (Red List) status: Least Concern (LC).
For Red List information on this species, see the IUCN species account.
From the IUCN Red List Species Account:
This species is currently known only from southern Bahia, south... | <urn:uuid:6192f432-62bb-4c88-8f0c-1719da3bf013> | 2.9375 | 311 | Knowledge Article | Science & Tech. | 37.019584 |
Climate Change and Utah: The Scientific Consensus
As directed by Governor Jon Huntsman’s Blue Ribbon Advisory Council on Climate Change (BRAC), this report summarizes present scientific understanding of climate change and its potential impacts on Utah and the western United States. Prepared by scientists from the Unive... | <urn:uuid:e4df9195-9baa-4c8a-84b9-bed9aa183fc9> | 3.46875 | 972 | Knowledge Article | Science & Tech. | 23.908182 |
bleaching, and infectious disease outbreaks are likely to become more frequent. Additionally, carbon dioxide (CO2) absorbed into the ocean from the atmosphere has already begun to reduce calcification rates in reef-building and reef-associated organisms by altering sea water chemistry through decreases in pH (ocean aci... | <urn:uuid:32b1d2f5-d495-4f19-a6e9-3057c38d004f> | 3.984375 | 527 | Knowledge Article | Science & Tech. | 20.083463 |
|Picture Scramble # 56
||30 November 2000
The "Spirograph" Nebula
Glowing like a multi-faceted jewel, the planetary nebula
IC 418 lies about 2,000 light-years from Earth in the
Use the arrow keys to shift the image left, right, up or down.
Display Finished Picture Scramble
A planetary nebula represents the final stage ... | <urn:uuid:9837ef30-57f0-4b33-b28e-a3542182a30a> | 3.234375 | 302 | Knowledge Article | Science & Tech. | 61.786466 |
Elated by the finding, researchers are looking to mimic nature’s quantum ability to build solar energy collectors that work with near-photosynthetic efficiency. Alán Aspuru-Guzik, an assistant professor of chemistry and chemical biology at Harvard University, heads a team that is researching ways to incorporate the qua... | <urn:uuid:52d72bf0-9298-42c6-8d58-d9cd57e78638> | 3.390625 | 1,416 | Nonfiction Writing | Science & Tech. | 30.25896 |
Large-scale alteration of nature landscapes has had profound implications for biological diversity. The single biggest contributor to the current extinction crisis is the wholesale destruction of habitats. As habitats are destroyed, formerly contiguous landscapes become fragmented into smaller patches. But what exactly... | <urn:uuid:43c1839c-fb48-43ef-bdea-83e35cb43f25> | 3.84375 | 490 | Academic Writing | Science & Tech. | 41.30131 |
Skip to Navigation ↓
Galileo was the first person to attempt to measure the speed of light. In the early 1600s, he and an assistant each stood on a different hilltop with a known distance between them. The plan was for Galileo to open the shutter of a lamp, and then for his assistant to open the shutter of a lamp as so... | <urn:uuid:397785ec-f3da-41a5-80e9-7980064239db> | 4.09375 | 666 | Knowledge Article | Science & Tech. | 66.713655 |
The Valley of Ten Thousand Smokes is within Katmai National Park, Alaska, and is filled with ash flows from the 1912 eruption of Novarupta. The 1912 eruption was the largest eruption by volume in the 20th century, erupting about 13 cubic kilometers of material. The summit of Mt. Katmai stratovolacano collapsed, forming... | <urn:uuid:10ae739a-97c0-4d97-b721-9a6888e7d347> | 3.703125 | 402 | Knowledge Article | Science & Tech. | 41.904188 |
A photograph by Kathy Keatley Garvey captures a honeybee's sting, with its abdominal tissue trailing behind.
UC Davis communications specialist Kathy Keatley Garvey in the Department of Entomology said she has taken at least 1 million photos of honeybees in her lifetime, but this snapshot won the first-place gold featu... | <urn:uuid:257cef91-a942-432a-9328-34003475a2a5> | 2.953125 | 245 | Personal Blog | Science & Tech. | 53.625255 |
Science Fair Project Encyclopedia
A lake is a body of water, surrounded by land, which is not completely covered by vegetation. The majority of lakes are fresh water, and most lie in the northern hemisphere at higher latitudes. Large lakes are sometimes referred to as "inland seas" and small seas are sometimes referred... | <urn:uuid:dabb9c81-4422-49a4-b071-cdb1adb3d0cc> | 3.65625 | 1,854 | Knowledge Article | Science & Tech. | 46.283999 |
become an editor
the entire directory
only in Science_and_Environment/Water_Resources
Science and Environment
Open Directory - Regional: North America: United States: Science and Environment: Water Resources
Science: Environment: Water Resources
Ground Water Atlas of the United States
- Online USGS publication describe... | <urn:uuid:92fe5c42-d266-42e7-a251-df610cd31526> | 2.90625 | 241 | Content Listing | Science & Tech. | 29.166747 |
“The answer to the oft-asked question of whether a particular extreme weather event is caused by climate change is that it is the wrong question.
“All weather events are affected by climate change because the environment in which they occur is warmer and moister than it used to be.”
– Kevin Trenberth, head of the Clima... | <urn:uuid:6fd989b9-16c3-40b8-bc70-d3984af6876a> | 3.375 | 1,036 | Nonfiction Writing | Science & Tech. | 38.817374 |
Posted by jasmine20 on Tuesday, December 26, 2006 at 2:18pm.
How do you graph these types of problems.
Graph each of the following inequalities.
4x + y (grater than or equal to) 4
Get y by itself on one side and then graph and shade the region depending on the sign (< or >) and make the line dotted if it is not equal t... | <urn:uuid:f4c5a7b3-4889-43ba-bdda-685cb99a07bd> | 3.53125 | 630 | Q&A Forum | Science & Tech. | 81.815294 |
Freezing genetic samples from plant and animal species is all the rage these days, with projects ranging from San Diego's Frozen Zoo to the UK's Frozen Ark. But New York's American Museum of Natural History recently scored a scientific coup when the U.S. National Park Service signed an agreement to store endangered spe... | <urn:uuid:07d7c341-4da8-4d18-addc-8cc9ea65a9ee> | 3.0625 | 280 | Content Listing | Science & Tech. | 45.230921 |
Time is not the fourth dimension of spacetime, nor is it an absolute quantity that flows on its own, Slovenian researchers say. Instead, they propose that time is simply a measure denoting the numerical order of change.
This new theory is based on the fact that not even famed physicist Albert Einstein believed that tim... | <urn:uuid:99f0f14d-15ae-4171-8e38-1e5070b8f971> | 3.171875 | 571 | Personal Blog | Science & Tech. | 48.310012 |
What happens when an animal that normally gets around quadrapedally - that is, on four limbs- is videotaped walking around on just two of them? It becomes a YouTube star, of course.
Ambam, a male western lowland gorilla living at the Port Lympne Wild Animal Park in England has become a major internet celebrity (to whic... | <urn:uuid:750ea048-cd2b-4b5e-a5c8-6900a05f82c9> | 2.703125 | 375 | Personal Blog | Science & Tech. | 38.457517 |
|Big Bang Nucleosynthesis|
None of the "counting" arguments described above are capable of telling us much about the nature of the dark matter. In particular, these arguments don't help us figure out whether the dark matter is baryonic matter (like gas or dust) or something more exotic. To decide that question we need ... | <urn:uuid:5fd8ef04-d1a7-4bc3-a5d2-76c3c798431a> | 3.390625 | 890 | Knowledge Article | Science & Tech. | 34.496664 |
Date of this Version
Hinkelman, T.M. Foraging challenges: unsuitable prey and limited information. Ph.D. Dissertation. University of Nebraska, Lincoln, Nebraska. 83 pp.
Food acquisition is a complicated task. The profitability of potential food items depends on numerous factors, including the spatial distribution, prob... | <urn:uuid:a22db75c-ca87-4a63-9314-9443a52c3884> | 3.15625 | 455 | Academic Writing | Science & Tech. | 22.05753 |
This module implements the interface to NIST's secure hash algorithm, known as SHA-1. SHA-1 is an improved version of the original SHA hash algorithm. It is used in the same way as the md5 module: use new() to create an sha object, then feed this object with arbitrary strings using the update() method, and at any point... | <urn:uuid:e36f890a-35dd-4c8a-9fd9-0fb8cbfa4c07> | 2.75 | 192 | Documentation | Software Dev. | 69.684109 |
What is GPS?
GPS stands for Global Positioning System. The Global Positioning System is a group of satellites orbiting the Earth twice a day at an altitude of about 20,000 kilometers (12,000 miles).
GPS was designed by the military to locate tanks, planes, and ships. The system has been adopted by the public for naviga... | <urn:uuid:d2c385de-367f-4f8d-bbbb-9d10b3d1390f> | 3.890625 | 547 | Knowledge Article | Science & Tech. | 49.735464 |
Override equals and hashCode in Java
Equals and hashCode in Java are two fundamental method which is declared in Object class and part or core Java library. equals() method is used to compare Objects for equality while hashCode is used to generate an integer code corresponding to that object. equals and hashCode has us... | <urn:uuid:c72f5b0f-f025-4014-bce5-77baa7f35618> | 4.125 | 2,279 | Personal Blog | Software Dev. | 35.756334 |
The most of the plots in this section are based on data from the NOAA repository, or from sites linked to from the repository.
|Greenland - Dye3||Absolute proof that melting ice in Greenland will NOT cause sea levels to rise.|
|Law Dome||The temperatures and CO2 mixing ratios from Law Dome. This site is the center of s... | <urn:uuid:37071fc0-427b-4f17-97db-6556bb38bd22> | 2.859375 | 176 | Content Listing | Science & Tech. | 39.59906 |
Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.13/25049
- Quantification of in situ nutrient and heavy metal remediation by a small pearl oyster (Pinctada imbricata) farm at Port Stephens, Australia
Dunstan, Richard Hugh;
Macfarlane, Geoffrey R.
- The use of pearl oysters has recent... | <urn:uuid:2b814145-c4dd-43c5-9d5e-cae57dcc5753> | 2.796875 | 304 | Academic Writing | Science & Tech. | 48.079174 |
Hydrocarbon measurements in the southeastern United States: The Rural Oxidants in the Southern Environment (ROSE) Program 1990
Article first published online: 21 SEP 2012
Copyright 1995 by the American Geophysical Union.
Journal of Geophysical Research: Atmospheres (1984–2012)
Volume 100, Issue D12, pages 25945–25963, ... | <urn:uuid:721a25ea-e0ab-4719-bbeb-baf81a094f2f> | 2.6875 | 633 | Academic Writing | Science & Tech. | 27.642768 |
Aug. 16, 2000
Southern Africa offers a unique climate sub-system where scientists can study the effects of industrial activity, biomass burning and changing patterns of land usage on the environment. Last weekend a international team of scientists launched an intensive campaign -- part of the SAFARI 2000 project -- to ... | <urn:uuid:2c527462-028d-46ff-b2e2-ade1da0c2388> | 3.234375 | 596 | Content Listing | Science & Tech. | 43.165313 |
Example as you expected in this link
Timer will be running for ever in our application untill application is closed or When there is no more job will be available to assign or Schedule.
TimerTask -- this is the task which has some functionality which is to be run based on time or duration.
In Timer we will assgin Timer... | <urn:uuid:727898da-3f7d-41a5-bc12-c728dbc85c09> | 2.921875 | 382 | Q&A Forum | Software Dev. | 49.542934 |
I have been studying the central regions of galaxies in order to
understanding their evolutionary history. The fist step involves
measuring the mass of any central black hole. Together with the Nuker Team ,
we have found that nearly all galaxies contain a central supermassive
black hole. Furthermore, the mass of the bl... | <urn:uuid:92c14b85-4aee-4c6e-938f-b031b7e9601e> | 2.765625 | 964 | Academic Writing | Science & Tech. | 30.094725 |
IW14 Directive inland water habitats
Current conservation status
Ten inland water habitat types are included in the EU Habitats Directive. These consist of five lake and pond habitat types, three water course types and two spring types. Seven inland water types occur in both the boreal and alpine region, the other thre... | <urn:uuid:2fe25b6e-63c0-4eb8-8421-fdf3a7e07d1e> | 3.53125 | 384 | Knowledge Article | Science & Tech. | 24.570767 |
The Rosetta mission, approved by the European Space Agency (ESA) in 1993 and launched in March 2004, is one of the most ambitious endeavors of European spaceflight. On its way to comet 67 P/Churyumov-Gerasimenko the space probe has already (Sept. 2008) flown by the main-belt asteroid Steins and is due to fly by another... | <urn:uuid:64bc28f6-23fd-4702-b891-f667b360dca8> | 3.703125 | 615 | Knowledge Article | Science & Tech. | 32.049135 |
Growth of sessile plants depends on accurate and
timely cellular responses to environmental changes. In the prospect of an
anthropogenic global climate change with expected regional extremes in
temperature and precipitation, it is critical to understand how
plants achieve stress
The Ubiquitin Proteasome Pathway
We are ... | <urn:uuid:13288cce-fd72-42e8-92e3-88093271545f> | 2.765625 | 1,994 | Academic Writing | Science & Tech. | 43.540788 |
June 24, 1998: Observations obtained by the Hubble telescope and ground-based instruments reveal that Neptune's largest moon, Triton, seems to have heated up significantly since the Voyager spacecraft visited it in 1989.
Even with the warming, no one is likely to plan a summer vacation on Triton, which is a bit smaller... | <urn:uuid:f0aa07f1-7c61-4a05-bf99-8195a1e7b739> | 3.96875 | 221 | Knowledge Article | Science & Tech. | 38.688242 |
The common name "flies" encompasses a very diverse group of insects that belong to the order Diptera which
means "two wings." They number over
120,000 species worldwide. Only the coldest parts of the earth (the Arctic and
Antarctic) are devoid of flies. Some members of this order are well known for
their disease carryi... | <urn:uuid:d631a528-4483-466e-bdd1-c793f1c56f49> | 3.265625 | 120 | Knowledge Article | Science & Tech. | 55.833 |
|Mar21-11, 03:28 PM||#1|
1. The problem statement, all variables and given/known data
"The point C lies between A and B and is 5 units from A.
OA = 2i + 3j
OB = -4i - 5j
2. Relevant equations
3. The attempt at a solution
This is not exactly a homework question since this is independent study, but I was wondering why I ... | <urn:uuid:a33fd16a-4c77-4b66-9764-3e691a97fda8> | 2.953125 | 550 | Comment Section | Science & Tech. | 82.937786 |
^ was able to identify the process that takes place when water changes to a gas as evaporation.
^ could identify a range of contexts in which water evaporates.
^ has described some contexts in which other liquids evaporate.
^ is able to explain that ^ can smell things when liquids evaporate and the gas reaches ~ nose.
... | <urn:uuid:4a5e5c02-f20e-4fbe-83f2-944171dc2a1e> | 3.875 | 489 | Structured Data | Science & Tech. | 51.613816 |
I hear you, it’s not always easy to create an application on many platforms. You want to build an iOS app, use Objective-C. You want to build a Windows Phone app, use C#. You want to build an Android app, use Java. It’s not an easy process, but there are tools, and ways of doing this that may save you some time.
Since ... | <urn:uuid:ae516dfb-b376-4f67-8a08-463f1c849f05> | 2.734375 | 400 | Personal Blog | Software Dev. | 67.630902 |
Wahlström L.K. & Liberg O. 1995: Contrasting dispersal patterns in two Scandinavian roe deer Capreolus capreolus populations. - Wildl. Biol. 1: 159-164.
Yearling natal dispersal frequencies and distances in roe deer Capreolus capreolus were compared between two regions in Scandinavia, Västerbotten, on the northern edge... | <urn:uuid:e3e0cd43-60a2-4ccc-a415-61a6bbb0f140> | 3.03125 | 476 | Academic Writing | Science & Tech. | 47.387864 |
Venera 4 left Baikonur Cosmodrome in the central Soviet Union early in the morning of 12 June 1967. The first two stages of its three-stage Molniya-M launch vehicle placed the 1106-kilogram automated spacecraft into a 173-by-212-kilometer parking orbit about the Earth, then the launcher’s third stage boosted Venera 4 o... | <urn:uuid:830f3441-7652-43d3-9d2f-d024e79e4b77> | 3.90625 | 908 | Truncated | Science & Tech. | 47.477184 |
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.
2004 December 14
Explanation: Spiral galaxy M33 is a mid-sized member of our Local Group of Galaxies. M33 is also called the Triangulum Galaxy for t... | <urn:uuid:c19e8b6d-b8e9-47c0-8c2f-21816e26ba3a> | 3.671875 | 223 | Knowledge Article | Science & Tech. | 48.309294 |
I’m sitting here at the AAAS meeting and I just heard that there are reports of a meteorite strike in Russia. Early reports are saying that there are anywhere from 500 to 950 people injured in the area. I’ll be updating this post for the next few hours as details continue to come in.
What we know so far:
There were bri... | <urn:uuid:5a34da32-8aac-47e8-87c3-2ae7c244f3f0> | 2.984375 | 1,077 | Personal Blog | Science & Tech. | 52.057987 |
||It has been suggested that Analytical dynamics be merged into this article. (Discuss) Proposed since May 2010.|
Dynamics is a branch of physics (specifically classical mechanics) concerned with the study of forces and torques and their effect on motion, as opposed to kinematics, which studies the motion of objects wi... | <urn:uuid:5f4544a2-9aa9-4af5-91c9-90a2d5db9f90> | 3.78125 | 983 | Knowledge Article | Science & Tech. | 50.02193 |
Field measurements and rock samples were taken at Victoria Valley (02-03) to determine the role of moisture in rock weathering processes along the Victoria land Coast. Surface and sub-surface temperatures were taken from rocks in the area. Holes were drilled into the rock at 45mm, 90mm and 400mm depths with thermocoupl... | <urn:uuid:281d2b43-f42a-42a0-ae06-6c4489e9c9e9> | 3.15625 | 442 | Academic Writing | Science & Tech. | 23.817206 |
A rare commodity
Water is amazing. It is truly the universal solvent. While there are solvents that can dissolve some things far better, there is none that dissolves as many different substances as can water.
It’s all to do with the structure of water’s molecule – that particle scientists refer to when they talk of the... | <urn:uuid:1a07dbac-9adb-4a86-881f-95518f2795af> | 3.203125 | 996 | Personal Blog | Science & Tech. | 45.068112 |
The big news in the scientific community this week was the announcement that scientists have decoded the genetic sequence of chimpanzees, the closest living relative to mankind.
In articles published in the journal Nature and published online by the journal Science, an international team of researchers identified virtu... | <urn:uuid:39033a9c-f700-4dec-b0ee-dbeccf1771f5> | 3.5 | 379 | Comment Section | Science & Tech. | 43.557737 |
Chromosome Recognition in Meiosis I
Location: Outside U.S.
Date: January 2009
How does the homologous chromosomes recognize each other in Meisosi I pairings?
That is a great question. The research is showing that each chromosome unzips a small
region of its DNA and they bind together there because of opposite base pair... | <urn:uuid:370b310a-34cd-4adc-a32b-a0d007db30a7> | 3.5 | 220 | Knowledge Article | Science & Tech. | 39.706921 |
The area of a regular pentagon looks about twice as a big as the pentangle star drawn within it. Is it?
Prove that the internal angle bisectors of a triangle will never be
perpendicular to each other.
Triangle ABC has a right angle at C. ACRS and CBPQ are squares. ST
and PU are perpendicular to AB produced. Show that S... | <urn:uuid:0589efa6-e8ab-4f48-8499-6ca148d6f952> | 3.09375 | 86 | Q&A Forum | Science & Tech. | 71.291786 |
Dear Sev, first of all, a simple thing. Light in the vacuum always moves by the speed 299,792,458 meters per second: this fact is exactly true because of the modern definition of one meter. The speed of light in the air is just 0.03% smaller than the speed of light in the vacuum. Nothing ever travels faster than light ... | <urn:uuid:e0703efc-1070-4db4-a774-dc61cea45fcc> | 3.484375 | 544 | Q&A Forum | Science & Tech. | 66.678962 |