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Hi. can someone please get me started on answering this question.
Elizabeth started with 30 tubs of yeast. At the end of each day, she used a small quantity of yeast to make two additional tubs of yeast, from each tub of yeast that she had. She then sold 50 tubs of yeast.This routine was repeated each day.
A: give the ... | <urn:uuid:2f03fed1-c284-4a45-aeba-7196e477b4f6> | 3.46875 | 148 | Q&A Forum | Science & Tech. | 80.044964 | 2,400 |
The Sun - in the prime of its life.
Source: SOHO (ESA & NASA)
Average Distance from the Earth: 149.6 million km (1.0 AU)
Size (Equatorial Diameter):
1 392 000 km (109 x that of Earth)
1.989 x 1030 kg (333 000 x that of Earth)
27.28 days (Synodic Period)
25.38 days (Sidereal Period)
5 500°C (surface)
15 000 000°C (core)... | <urn:uuid:15d5a86a-26ab-4e19-9269-91ca68be98ee> | 3.8125 | 661 | Knowledge Article | Science & Tech. | 70.488974 | 2,401 |
Brown-headed cowbirds skew host offspring sex ratios
It's long been known that Brown-headed cowbirds, birds that like cuckoos lay eggs in the nests of other birds, reduce the number of offspring from a nest they parasitize. Now a recent report shows they also affect the sex of the host's offspring. Liana Zanette, Eliza... | <urn:uuid:bdcd1ef2-67cb-4bbf-95be-aeffacd63647> | 3.28125 | 399 | Content Listing | Science & Tech. | 17.212723 | 2,402 |
On August 19, 2012, NASA's Curiosity rover used the ChemCam, its laser-camera combo unit, for the first time on Mars, firing an energy beam at a small rock called "Coronation."
Having excited the atoms in a target rock into an ionized, glowing plasma with its million watt laser, ChemCam can then use its telescopic came... | <urn:uuid:db206ec6-ebc9-48fa-b02b-80a1fde0f397> | 4.125 | 342 | News Article | Science & Tech. | 20.916731 | 2,403 |
Follow instructions to fold sheets of A4 paper into pentagons and assemble them to form a dodecahedron. Calculate the error in the angle of the not perfectly regular pentagons you make.
Her walk needs to start and end at the same place, and she needs
to be able to see every part of the planet's surface at some stage
du... | <urn:uuid:6ec97f55-acb7-4030-a140-038ab6b9d5f0> | 3.8125 | 172 | Tutorial | Science & Tech. | 55.823885 | 2,404 |
By Brian Vastag
Washington Post Staf Writer
Thursday, January 6, 2011; 3:19 PM
Last August, just two days into a research cruise to study methane gas spewed into the Gulf of Mexico by the Deepwater Horizon gusher, Texas A&M University oceanographer John Kessler turned to one of his colleagues and said, “Well, it looks ... | <urn:uuid:c8fa5f39-1b60-49d2-b5fb-1c0715c101c6> | 2.546875 | 153 | Truncated | Science & Tech. | 56.599459 | 2,405 |
(PhysOrg.com) -- New video analysis and mathematical modeling by engineers at Virginia Tech reveals how certain types of snakes can "fly" by flinging themselves off their perches, flattening their bodies, and sailing from tree to tree -- work presented today at the American Physical Society Division of Fluid Dynamics m... | <urn:uuid:796c09e6-30cf-4b16-bcdd-8d242f9ecc69> | 3.6875 | 539 | News Article | Science & Tech. | 34.566085 | 2,406 |
Hydrogen has several isotopes and one of them, deuterium, exists quite naturally in water to form . In previous experiments and several papers by Gilbert Lewis, it has been found that life is hindered in the presence of . While this may be true, my PI Steve Koch wondered if life had found a use for it because naturally... | <urn:uuid:3637438d-72fb-4541-9609-72e293929b33> | 3.125 | 475 | Personal Blog | Science & Tech. | 47.460338 | 2,407 |
Hydrolysis, chemical decomposition of a substance by water. The hydrogen and oxygen atoms of water combine with the atoms or groups of atoms of the hydrolyzed substance to form new compounds. Hydrolysis is speeded by heat and pressure or by mixing an acid or base with the water. Hydrolysis is important in the manufactu... | <urn:uuid:f1339040-d177-48cf-8984-695c34ea1b34> | 3.328125 | 192 | Knowledge Article | Science & Tech. | 36.911127 | 2,408 |
Daniel Song, a doctoral student at the University of Pennsylvania, writes from Hovsgol National Park, Mongolia, where he is studying how plants and pollinators form interaction networks.
Tuesday, June 21
Next time you grab a snack or sit down for a meal, take a minute to think about what you’re eating; chances are plan... | <urn:uuid:affcbc56-d352-4351-b046-43eaf7fb7aae> | 3.90625 | 699 | Personal Blog | Science & Tech. | 34.42493 | 2,409 |
The Cherenkov Effect is caused by high-energy beta particles moving at velocities faster than the speed of light in water.
The effect causes the blue glow in nuclear reactors (right).
This process is similar to the sonic boom heard when an airplane exceeds the speed of sound.
Pioneer 2 re-entered Earth's atmosphere ove... | <urn:uuid:fe49bb92-57d4-47d8-9285-50bca8e1af5e> | 2.84375 | 105 | Knowledge Article | Science & Tech. | 70.180347 | 2,410 |
The exact causes of the long- and short-term Paleogene warm episodes remain enigmatic. Several pieces of geochemical evidence, including changes in the mean ocean 13C and alkalinity, point toward greenhouse forcing (Shackleton, 1986; Kennett and Stott, 1991; Zachos et al., 1993; Thomas and Shackleton, 1996). Samples re... | <urn:uuid:209c26e8-5e7d-4dc6-a6d0-9c83856ca2c5> | 3.671875 | 1,421 | Academic Writing | Science & Tech. | 37.13825 | 2,411 |
This monograph was reprinted by the American Crystallographic Association, successor to the American Society for X-Ray and Electron Diffraction, May, 1966.
This Monograph has two aspects. On the one hand, it is presented as a contribution to the study of structure factors — or Fourier transforms — of atomic groupings w... | <urn:uuid:5435ddbe-02e0-4168-9373-7130d1226fe9> | 3.03125 | 321 | Academic Writing | Science & Tech. | 25.263875 | 2,412 |
Meteor, Meteorite, Asteroid: What's the Difference?
by AMNH on
News reports and YouTube videos of a meteor breaking up in the Siberian sky are pouring in. Tonight, another space rock—asteroid 2012 DA14—will fly by Earth more closely than any asteroid whose orbit astrophysicists have calculated beforehand.
What's the di... | <urn:uuid:9803a531-312c-4c5c-a130-1c0a823bc638> | 3.59375 | 482 | News Article | Science & Tech. | 49.789719 | 2,413 |
Simple Sequence Repeat (SSR)- a small segment of DNA, usually 2 to 5 bp in length that repeats itself a number of times. Useful SSRs usually repeat the core motif 9-30 times. Some of the major core motifs that we use in the development of SSR markers for soybean include ATT, AT, CTT, and CT.
Polymerase Chain Reaction (... | <urn:uuid:8166682f-950a-49f4-9794-d2f061a1c33d> | 3.359375 | 1,228 | Knowledge Article | Science & Tech. | 49.744644 | 2,414 |
Wind turbine study analyzes bird flight patterns
Jeremy Ross uses radar to track avian flight at the Ottawa National Wildlife Refuge.
BOWLING GREEN, O.—Wind turbines may offer a positive source of renewable energy, but Bowling Green State University and University of Toledo researchers are looking into the potential im... | <urn:uuid:4e8d7bb3-be69-414f-99ed-be4876a21c70> | 3.0625 | 787 | News Article | Science & Tech. | 47.829119 | 2,415 |
MIT scientists have found a way to induce cells to form parallel tube-like structures that could one day serve as tiny engineered blood vessels.
The researchers found that they can control the cells' development by growing them on a surface with nano-scale patterning. A paper on the work was posted this month in an onl... | <urn:uuid:12a98108-2083-448f-a52d-12c1428861f1> | 3.53125 | 605 | News Article | Science & Tech. | 33.734717 | 2,416 |
Experts in Photobleaching
Light-induced change in a chromophore, resulting in the loss of its absorption of light of a particular wave length. The photon energy causes a conformational change in the photoreceptor proteins affecting PHOTOTRANSDUCTION. This occurs naturally in the retina (ADAPTATION, OCULAR) on long expo... | <urn:uuid:27d73bbb-3bf1-4ebb-bcea-91d7bdb1e4e3> | 3 | 162 | Knowledge Article | Science & Tech. | 9.965 | 2,417 |
Brain oscillations compress odor representations as signals pass through olfactory networks
Most natural smells are complex blends of many individual chemicals. Freshly ground coffee, for example, contains about 300 individual volatile components. A typical perfume also contains tens of ingredients, although the recipe... | <urn:uuid:8d8f83b2-6445-447c-814f-eb16e25674d9> | 2.96875 | 1,315 | Academic Writing | Science & Tech. | 31.927159 | 2,418 |
Let’s face it: energy efficiency is boring when compared to the (relative) excitement of developing new sources of low-carbon electricity or heat. The popular science magazines are full of articles on new forms of solar panel and the latest designs for wind turbines. Improving the insulation of ordinary homes, shifting... | <urn:uuid:2e431a8b-642e-4a95-b611-6732e0b57fd8> | 3.109375 | 2,958 | Personal Blog | Science & Tech. | 41.137484 | 2,419 |
Global Warming in a Nutshell
Occasionally it's good to step back from the details of global warming science and offer non-technical visitors a "Global Warming 101" perspective, sort of like The Big Picture, but starting from the very beginning and touching on many aspects of this broad topic. This article was revised a... | <urn:uuid:e64d438b-aa81-43ef-a137-aecb708ac7a8> | 3.40625 | 458 | Truncated | Science & Tech. | 38.87625 | 2,420 |
The taxonomy and seasonal population dynamics of some Magela Creek flood plain microcrustaceans (Cladocera and Copepoda)
Technical Memorandum 18
Supervising Scientist, 1986
ISBN 0 644 01349 4
- The taxonomy and seasonal population dynamics of some Magela Creek flood plain microcrustaceans (Cladocera and Copepoda) (PDF ... | <urn:uuid:13ed5af1-e795-46d8-9eab-f1f20e7ea645> | 2.546875 | 290 | Academic Writing | Science & Tech. | 11.724595 | 2,421 |
escript provides support for running short Erlang programs without having to compile them first and an easy way to retrieve the command line arguments.
escript runs a script written in Erlang.
Here follows an example.
$ cat factorial #!/usr/bin/env escript %% -*- erlang -*- %%! -smp enable -sname factorial -mnesia debu... | <urn:uuid:a061e1b7-ef20-480f-8603-dffcbe0b48ed> | 2.65625 | 1,398 | Documentation | Software Dev. | 54.343872 | 2,422 |
A good start when programming efficiently is to have knowledge about how much memory different data types and operations require. It is implementation-dependent how much memory the Erlang data types and other items consume, but here are some figures for erts-5.2 system (OTP release R9B). (There have been no significant... | <urn:uuid:5b45041d-c230-4e9d-93c2-9e876778e47c> | 2.890625 | 1,329 | Documentation | Software Dev. | 48.369965 | 2,423 |
All > Science > Biotechnology and Genetics > Food Biotechnology
- The wide diversity and interrelatedness of earth organisms based on genetic and environmental factors.
Susan Allender-Hagedorn and Charles Hagedorn - Cite This Source - This Definition
- The variability among living organisms from all sources, including,... | <urn:uuid:58f853a2-dc4f-407c-9752-ff4c89a49e66> | 2.6875 | 159 | Structured Data | Science & Tech. | -39.038205 | 2,424 |
Saturday, Dec 20, 2008
Scientists have found minerals on Mars that suggest the planet was once wet enough to support life.
Deposits of carbonate, formed in neutral or alkaline water, were spotted by NASA’s Mars Reconnaissance Orbiter.
“Obviously this is very exciting,” said John Mustard of Brown University in Rhode Isl... | <urn:uuid:dc7631e6-3ecd-4e37-95c6-31689f7f2383> | 3.609375 | 234 | Truncated | Science & Tech. | 38.471028 | 2,425 |
Anand Jagota's Group Web Site
Deposition of CNTs on Surfaces
We are developing techniques for controlled deposition of carbon nanotubes from an aqueous suspension onto a substrate. We typically work with DNA-CNT dispersions and deposit onto silicon wafers coated with an organic self-assembled monolayer. We find that th... | <urn:uuid:2560344d-fe5d-4f3a-8258-07f2c02e0e6e> | 2.734375 | 374 | Academic Writing | Science & Tech. | 33.593874 | 2,426 |
Documentation > Greenhouse effect > Risks > Will we turn the ocean into an acid lake ?
As everybody knows (or should know !), man is now putting significant amounts of CO2 into the atmosphere, though our emissions are taking place into a natural carbon cycle much more complex, which includes exchanges between the atmos... | <urn:uuid:80afdfc9-ee1b-4320-82fe-c2ec22a61fb6> | 3.625 | 1,730 | Knowledge Article | Science & Tech. | 41.449301 | 2,427 |
Scientists have found signs that water may once have gurgled up through the Martian soil in hydrothermal vents similar to those in Yellowstone National Park.
The site of these proposed vents could possibly contain preserved traces of ancient Martian life, scientists say. That assumes, of course, that life might once ha... | <urn:uuid:53136241-0d41-4f59-8f53-448826150918> | 3.609375 | 750 | News Article | Science & Tech. | 51.829091 | 2,428 |
THE Hubble Space Telescope could soon be joined by a modest relative that will peer into the cosmos on behalf of Britain's schoolchildren, students and amateur astronomers. Space Innovations, a satellite company in Newbury, Berkshire, is about to begin a feasibility study for a project dubbed the Humble Space Telescope... | <urn:uuid:17f6f9fe-6d5f-4895-8247-dc4c81fee9af> | 3.171875 | 221 | Truncated | Science & Tech. | 40.58065 | 2,429 |
Report an inappropriate comment
Wed Jun 03 18:36:38 BST 2009 by Anonymous
From where does this notion of shallowness come? Why should the instinctive, initial assessment of a potential mate by looks alone be considered shallow? That sort of judgement seems to be in our nature. Are we suggesting that billions of years o... | <urn:uuid:9f9199fb-bc87-47bd-acd0-0a8069f76409> | 2.5625 | 265 | Comment Section | Science & Tech. | 35.913793 | 2,430 |
What References Are
References in PHP are a means to access the same variable content by different names. They are not like C pointers; for instance, you cannot perform pointer arithmetic using them, they are not actual memory addresses, and so on. See What References Are Not for more information. Instead, they are sym... | <urn:uuid:7beaf600-693c-471b-90f8-914491efdbfc> | 2.875 | 126 | Documentation | Software Dev. | 30.467143 | 2,431 |
Interspecies Feshbach resonances
Feshbach resonances are an extremely valuable tool for ultracold atom experiments. They occur, when the colliding atoms can couple to a bound molecular state belonging to a different atomic asymptote. This situation can be artificially brought about by applying a homogeneous magnetic fi... | <urn:uuid:b19b9582-1f3a-4486-af4b-0a5edcd9be59> | 3.46875 | 1,211 | Academic Writing | Science & Tech. | 38.86378 | 2,432 |
July 14, 2003 RIVERSIDE, Calif. -- In a perspective article entitled "Evolutionary Danger for Rainforest Species" in the July 4, 2003, issue of the journal Science, UC Riverside's Derek Roff explains new findings that show that a population of rainforest fruit flies had no genetic variation in an ecologically important... | <urn:uuid:25c13d40-a825-4c49-9355-01c5c8d2dbcc> | 3.28125 | 559 | News (Org.) | Science & Tech. | 23.957219 | 2,433 |
Sep. 25, 2007 In the Star Wars movies fictional planets are covered with forests, oceans, deserts, and volcanoes. But new models from a team of MIT, NASA, and Carnegie scientists begin to describe an even wider range of Earth-size planets that astronomers might actually be able to find in the near future.
Sara Seager, ... | <urn:uuid:63ce97e5-9db6-4f63-b9f3-75ffd66e1f36> | 3.75 | 966 | News (Org.) | Science & Tech. | 44.615299 | 2,434 |
Mar. 19, 2010 With the help of a little singing bird, Penn State physicists are gaining insight into how the human brain functions, which may lead to a better understanding of complex vocal behavior, human speech production and ultimately, speech disorders and related diseases.
Dezhe Jin, assistant professor of physics... | <urn:uuid:16d458ac-1ce3-48dd-b5f3-7f0f28bdb842> | 3.1875 | 845 | News Article | Science & Tech. | 35.493738 | 2,435 |
The storm classification table below has been developed by scientists
at the University of Virginia for assessing the relative power of northeasterly
storms in the west-Atlantic. The severity of such storms depends on wave
height, which not only depends on wind strength but also on its duration
and fetch, all necessary... | <urn:uuid:5de2a29f-b0a1-46be-86e3-5639a65fde24> | 3.1875 | 256 | Knowledge Article | Science & Tech. | 61.965011 | 2,436 |
Structures Only Found in Plant (and Some Algae and Fungus) Cells
Now we move on to the fun stuff that you only wish
you had in your cells. It's OK to be jealous.
Like the cell walls in bacteria, fungi, algae, and some Archaea (single-celled organisms), plant cell walls are found just outside the plasma membrane
and pro... | <urn:uuid:d3a46709-4e6d-435e-922a-0321845e39c9> | 3.515625 | 669 | Knowledge Article | Science & Tech. | 45.342512 | 2,437 |
The device could help astronomers figure out why the expansion of the universe is accelerating.
The Dark Energy Camera is the world's most powerful digital camera. About the size of a phone booth and boasting 570 megapixels, the device took eight years to construct -- by astronomers, technicians, and engineers collabor... | <urn:uuid:d02b9a38-5b38-45be-a042-8a17c3f5a3bf> | 3.1875 | 211 | News Article | Science & Tech. | 52.686482 | 2,438 |
COAMPS: The Naval Research Laboratory's Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS®)
|Updated:||2 times per day, from 10:00 and 23:00 GMT|
|Greenwich Mean Time:||12:00 GMT = 12:00 GMT|
|Resolution:||0.2° x 0.2°|
|Parameter:||Sea Level Pressure in hPa|
|Description:||The surface chart (also known as su... | <urn:uuid:09a54304-919a-475e-8905-b5f8f1bd8c03> | 3 | 646 | Knowledge Article | Science & Tech. | 25.791563 | 2,439 |
Newline character in HTML
How often in practice will you find a newline character in the middle of HTML?
Just tested in my browser - newline characters within HTML are ignored and the output is displayed correctly.
I am asking, because I would like to introduce a small domain specific language that works with the newli... | <urn:uuid:ae17d672-f6d7-4f0a-bd17-040806317773> | 3 | 667 | Comment Section | Software Dev. | 61.252867 | 2,440 |
The physical ephemeris of a solar system body refers to its aspect as seen from the Earth: its apparent magnitude, the angular size of its disk, its apparent degree of illumination, the orientation of its pole, and the positions of its sub-solar and sub-Earth points. This information divides into illumination data and ... | <urn:uuid:687b2f82-b6a6-41d3-b4c7-85f8347e3ba3> | 3.875 | 578 | Knowledge Article | Science & Tech. | 29.526515 | 2,441 |
NSF highlights WKU research in Africa
|Date: Tuesday, May 29th, 2012||Return to Archive|
“High-tech Scarecrows for Low-tech Farms” — a report on a WKU research project in Africa — is featured on the National Science Foundation’s SEE (Science, Engineering & Education) Innovation website.
In the project, funded by the Na... | <urn:uuid:e1c26ca9-8cb1-4db5-94e5-94f80fd44316> | 2.75 | 313 | News (Org.) | Science & Tech. | 19.163919 | 2,442 |
The next Intergovernmental Panel on Climate Change forecasts won't be released until late 2013. But insiders say that thanks to faster computers and better models, the report will offer more precise predictions and adjust anticipated changes in sea levels and precipitation.
The world's climate forecasting specialists w... | <urn:uuid:ae3baab1-d56e-4bb9-8152-c5eec8da60f7> | 3.46875 | 733 | News Article | Science & Tech. | 41.617033 | 2,443 |
"STATIC ELECTRICITY" IS CAUSED BY FRICTION?
"Static" electricity appears whenever two dissimilar insulating materials
are placed into intimate contact and then separated again. All that's required
is the touching. Chemical bonds are formed when the surfaces touch, and
if the atoms in one surface tend to hold electrons ... | <urn:uuid:bc368e7f-964c-4b40-89cd-5d4c85b191f3> | 3.421875 | 7,188 | Personal Blog | Science & Tech. | 39.032869 | 2,444 |
Every so often, someone (generally not a practicing scientist) suggests that it's time to replace science with something better. The desire often seems to be a product of either an exaggerated sense of the potential of new approaches, or a lack of understanding of what's actually going on in the world of science. This ... | <urn:uuid:ce63cc82-d538-4652-80e1-60e4e5426cd0> | 2.890625 | 970 | Comment Section | Science & Tech. | 35.985062 | 2,445 |
Exercise 1: Write a complete program to read a string of characters from the standard input and insert them in the stack. Print the size of the stack when you are done after the stack is filled out. Then, print out to the screen all the vowels in reverse order.
Use classes and functions to do the above program.
Exercis... | <urn:uuid:91e9acb6-98a5-4e42-8c82-ddccbbbbdce4> | 3.734375 | 144 | Tutorial | Software Dev. | 68.109888 | 2,446 |
Update: If you are looking for a debunking of Why In The World Are They Spraying, first check out this post, as the second film really depends on the first being true, then have a look at the various errors in Why In The World Are They Spraying, detailed here:
The documentary film “What in the World are They Spraying“,... | <urn:uuid:e9eb9f10-8be4-4df5-b9d9-736af5a445e2> | 2.609375 | 2,334 | Personal Blog | Science & Tech. | 55.624967 | 2,447 |
Names refer to objects. Names are introduced by name binding operations. Each occurrence of a name in the program text refers to the binding of that name established in the innermost function block containing the use.
A block is a piece of Python program text that is executed as a unit. The following are blocks: a modu... | <urn:uuid:6897eb1e-bb0b-457c-9548-0217aa58b018> | 4.25 | 1,700 | Documentation | Software Dev. | 42.97975 | 2,448 |
Hawaii astronomers track down source of short gamma-ray burstsUniversity of Hawaiʻi
Hawaii astronomers using the Frederick C. Gillett Gemini Telescope on Mauna Kea have found the source of short flashes of gamma rays from outer space: a collision of two dead stars.
For 35 years, astronomers have been fascinated by myst... | <urn:uuid:4744f38b-5cc0-4859-8170-a00acc7b4f2a> | 3.578125 | 1,025 | News (Org.) | Science & Tech. | 32.157243 | 2,449 |
Introduction to Chinchilla Genetics
How Genetics Work
One of the things deciding what a chinchilla will appear like (what color it gets, how big it gets, the quality of the fur, etc) is the genes.
The genes always appears in pairs. If the two genes in a pair are the same the chinchilla is said to be homozygous with res... | <urn:uuid:eb14c260-cf06-462b-926d-fca7c636d37d> | 4.0625 | 1,338 | Tutorial | Science & Tech. | 67.377089 | 2,450 |
be taken of and allowance made for two points. First, that the metal plate not only cuts off, but itself radiates; and secondly, that the duration of the induced currents radiated by the plates varies with each different metal under experiment.
This explains the fact before pointed out that the apparent percentage of i... | <urn:uuid:e7826db3-6eae-4dea-8770-a45453044e5b> | 2.625 | 201 | Creative Writing | Science & Tech. | 16.528409 | 2,451 |
Explore patterns based on a rhombus. How can you enlarge the
pattern - or explode it?
Learn how to use advanced pasting techniques to create interactive
Learn how to use increment buttons and scroll bars to create
interactive Excel resources.
Learn how to make a simple table using Excel.
Investigate factors and multipl... | <urn:uuid:4cec51d6-135b-40c5-bb21-14d77a4e6157> | 2.828125 | 326 | Content Listing | Science & Tech. | 54.22161 | 2,452 |
Is this a fair game? How many ways are there of creating a fair
game by adding odd and even numbers?
Interior angles can help us to work out which polygons will
tessellate. Can we use similar ideas to predict which polygons
combine to create semi-regular solids?
Photocopiers can reduce from A3 to A4 without distorting ... | <urn:uuid:9ba28b8f-dc75-496b-83a0-735c236a4ac2> | 3.984375 | 316 | Content Listing | Science & Tech. | 50.453945 | 2,453 |
November 6, 2009
A priority queue is a data structure that permits insertion of a new element and retrieval of its smallest member; we have seen priority queues in two previous exercises. Priority queues permit sorting by inserting elements in random order and retrieving them in sorted order. Heapsort uses the heap dat... | <urn:uuid:48657a07-d7ba-47a0-8723-148aac663d7b> | 4.1875 | 351 | Tutorial | Software Dev. | 55.392596 | 2,454 |
According to Gore Vidal, the four most beautiful words in the English language are “I told you so”. My hero James Hansen can justifiably speak those words, but I am sure they don’t feel beautiful to him.
In 1981, together with six NASA colleagues, he published a paper in Science magazine entitled ‘Climatic Impact of In... | <urn:uuid:c9f32a5c-d4ea-46ab-95e7-6e0e8186da1c> | 2.609375 | 785 | Personal Blog | Science & Tech. | 27.214166 | 2,455 |
Space is an exceedingly random place. Everything in the known universe may be governed by some pretty hard laws of physics, but so are BBs in a jar when you shake them up and down. That doesn’t stop things from getting very chaotic inside. The same extreme arbitrariness is worth keeping in mind as we contemplate our pl... | <urn:uuid:0d7d913a-3f1e-421e-a36e-92622bd17668> | 3.046875 | 2,186 | News Article | Science & Tech. | 61.194188 | 2,456 |
An estimator is called unbiased if its expected value is equal to the true parameter value, regardless of the true parameter's value. Is the Bayes estimate unbiased?
- By part (f), E(θbayes) = θ* if and only if 1-2θ* = 0, or θ* = 0.5. Therefore, the Bayes estimate is NOT unbiased. In fact, it is biased towards central ... | <urn:uuid:3560524f-a634-4a46-8543-58c9a5f689a5> | 3.46875 | 221 | Tutorial | Science & Tech. | 57.707005 | 2,457 |
The Pan-STARRS 1 telescope on Haleakala, Maui, found a new distant comet, designated C/2011 L4, on the night of June 5/6.
Photo by Henry Hsieh, PS1SC
Astronomers at the University of Hawaii at Manoa have discovered a new comet that they expect will be visible to the naked eye in early 2013.
Originally found by the Pan-... | <urn:uuid:1cd9e00c-1080-499d-afbb-6605e2f45884> | 3.484375 | 761 | Knowledge Article | Science & Tech. | 40.236178 | 2,458 |
dai bread wrote:Chilling. 5.3 lunar distances seems too close for comfort. That one's coming in April. What's the margin of error in these tables?
I wish i knew... guess it depends on how close they can resolve an angle , i'd guess the distance is a few percent. All the gravitational tugs on them steer them - it must b... | <urn:uuid:a89fd827-f925-48fd-9be3-a052e73b7777> | 2.625 | 481 | Comment Section | Science & Tech. | 85.217467 | 2,459 |
Discussion of everything related to the Theory of Evolution.
I think those ancient reasonable membranoids in Venus would create a special way of photosynthesis. They would have done such a super-heat-resistant catalytic process in which energy of absorbed photon was spent on a separation of CO2 - C + O2. Moreover, both... | <urn:uuid:d924da63-d129-41b7-a147-36d5f5c04c88> | 2.796875 | 1,903 | Comment Section | Science & Tech. | 55.436174 | 2,460 |
Discussion of all aspects of biological molecules, biochemical processes and laboratory procedures in the field.
5 posts • Page 1 of 1
Although biology is the science of life, biologists have not yet been able to define “life”. Although molecular gene is the foundational atom of modern biology, the “gene” also remains ... | <urn:uuid:8019964c-c8b6-47b8-95c1-fe61843aba2e> | 2.71875 | 1,794 | Comment Section | Science & Tech. | 38.946855 | 2,461 |
Chromosome differentiation patterns during cichlid fish evolution
1 UNESP - Universidade Estadual Paulista, Instituto de Biociências, Departamento de Morfologia, Botucatu, SP, Brazil
2 UFMT - Universidade Federal de Mato Grosso, Instituto Universitário do Araguaia, Pontal do Araguaia, MT, Brazil
3 Universidad de Orient... | <urn:uuid:fb1943aa-91cc-4906-8fc2-7d00582856ad> | 2.65625 | 604 | Academic Writing | Science & Tech. | 6.344032 | 2,462 |
ARM students gather for work near a SeaTainer
Five college students from around the country have traded the lazy, hazy days of summer for an opportunity to analyze the haze itself.
During their 10-week internship at BNL, these five students participated in a campaign to measure the concentration, chemical composition, ... | <urn:uuid:bf47cadc-7216-4309-9e04-38e48cc506e0> | 3.453125 | 911 | News (Org.) | Science & Tech. | 31.557628 | 2,463 |
In Louhi the program development environment is managed using the modules package. For example, user's shell environment variables for different compiler suites, software packages and libraries are set up using the module tool.
Currently loaded modules are listed with command
The environment changes induced by a partic... | <urn:uuid:8c08be8b-2dd7-4f89-a8aa-6547043ad7a3> | 2.671875 | 191 | Documentation | Software Dev. | 21.055072 | 2,464 |
We can see several types of galaxies, differring for example for their form, dimensions, brightness, mass, stellar contents and, in the end, for the energy emission distribution in the different bands of the electromagnetic spectrum.
The principal classification, called Hubble Sequency, is based on the form and it divi... | <urn:uuid:5ad91563-65db-415a-8df1-418edfcd2dd3> | 3.828125 | 393 | Knowledge Article | Science & Tech. | 40.772011 | 2,465 |
Rosetta – a comet ride to solve planetary mysteries
ESA INFO 01-2003. ESA's Rosetta will be the first mission to orbit and land on a comet, one of the icy bodies that travel throughout the Solar System and develop a characteristic tail when they approach the Sun. Rosetta is scheduled to be launched on-board an Ariane-5... | <urn:uuid:8aba3343-0cf0-4f63-8746-61c2b3d71531> | 3.625 | 2,277 | News (Org.) | Science & Tech. | 46.196795 | 2,466 |
conic section or conic (kŏnˈĭk) [key], curve formed by the intersection of a plane and a right circular cone (conical surface). The ordinary conic sections are the circle, the ellipse, the parabola, and the hyperbola. When the plane passes through the vertex of the cone, the result is a point, a straight line, or a pai... | <urn:uuid:a7f67628-f15a-4895-b79f-1fc3de5e0eca> | 4.03125 | 186 | Knowledge Article | Science & Tech. | 34.246 | 2,467 |
€9m EU project on deep-sea organisms under way
19 February 2013 | News story
IUCN is supporting the PharmaSea project which will bring European researchers to some of the deepest, coldest and hottest places on the planet.
Scientists from the UK, Belgium, Norway, Spain, Ireland, Germany, Italy, Switzerland and Denmark w... | <urn:uuid:b5e3ed2b-b0e5-4758-8e9e-55990a6490b1> | 2.828125 | 699 | News (Org.) | Science & Tech. | 29.79803 | 2,468 |
Collateral damage: Western Ghats freshwater species in peril
22 September 2011 | News story
Freshwater species in the Western Ghats, India, are being sacrificed as collateral damage in the race for rapid economic development. For the first time, comprehensive data are available on the conservation status and distributi... | <urn:uuid:777562ac-6b57-454f-be01-896c9b1ce8f1> | 3.421875 | 1,061 | News (Org.) | Science & Tech. | 31.944967 | 2,469 |
Optimize with a SATA RAID Storage Solution
Range of capacities as low as $1250 per TB. Ideal if you currently rely on servers/disks/JBODs
Every object in a Java program uses computing resources that are finite. Most obviously, all objects use some memory to store their images on the heap. (This is true even for objects... | <urn:uuid:288cda78-79e4-465c-aa20-899d872bcf84> | 2.96875 | 2,316 | Documentation | Software Dev. | 35.36355 | 2,470 |
for National Geographic News
Published June 13, 2011
Seven hundred and fifty light-years from Earth, a young, sunlike star has been found with jets that blast epic quantities of water into interstellar space, shooting out droplets that move faster than a speeding bullet.
The discovery suggests that protostars may be se... | <urn:uuid:24501c33-df40-441c-82df-eacf94688e62> | 3.90625 | 707 | News Article | Science & Tech. | 37.383001 | 2,471 |
Joined: 16 Mar 2004
|Posted: Tue Aug 25, 2009 12:33 pm Post subject: Nanoparticles Go Bob Bob Bobbin’
|Nanoparticles Go Bob Bob Bobbin’, Create Controllable Surface Patterns
In a finding that could speed the use of sensors or barcodes at the nanoscale, North Carolina State University engineers have shown that certain t... | <urn:uuid:c9fb3b31-c2ad-43ac-b11c-095840933f7d> | 3.109375 | 496 | Comment Section | Science & Tech. | 26.847267 | 2,472 |
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.
Polymer Science and Engineering: The Shifting Research Frontiers
stability in air at 240°C to permit blending and proces... | <urn:uuid:ecebaa44-8935-4957-91d2-76b4c2d54ff6> | 2.8125 | 605 | Academic Writing | Science & Tech. | -4.812895 | 2,473 |
Strong emissions reductions are critical to protecting biodiversity and the natural places that support human well-being.
The primary driver of climate change is increased concentrations of greenhouse gases, particularly carbon dioxide, in the atmosphere. Driven by human activities, carbon dioxide concentrations are no... | <urn:uuid:0704b61e-98ec-45d3-b011-7b2df63387d3> | 3.890625 | 342 | News (Org.) | Science & Tech. | 23.19 | 2,474 |
From recording over a million bugs to discovering that gardens are a haven for earthworm diversity, the successes of one of the largest national citizen science projects, Open Air Laboratories (OPAL), are highlighted in the Community Environment Report published today.
More than half a million people, including the pub... | <urn:uuid:00ce90ec-cdad-4e2a-84dd-ace60ad20be2> | 3.3125 | 743 | News (Org.) | Science & Tech. | 26.794221 | 2,475 |
Spectra Confirm Ice on Asteroid 24 Themis. How Did it Get There?
It seems that space age instruments are now finding evidence of water-ice in the many locations we have pointed them to look. The latest to be confirmed includes asteroid 24 Themis. But is it from subsurface reservoirs evaporating (not unlike comets) or i... | <urn:uuid:e604bb77-c748-4cd8-a038-2ea89b4a9b49> | 3.46875 | 4,201 | News Article | Science & Tech. | 40.491109 | 2,476 |
PostgreSQL has a rich set of native data types available to users. Users may add new types to PostgreSQL using the CREATE TYPE command.
Table 8-1 shows all built-in general-purpose data types. Most of the alternative names listed in the "Aliases" column are the names used internally by PostgreSQL for historical reasons... | <urn:uuid:ef528f27-e2ae-4620-b130-cbc8935bceff> | 2.578125 | 2,840 | Documentation | Software Dev. | 40.163302 | 2,477 |
There is a climate splash in Nature this week, including a cover showing a tera-tonne weight, presumably meant to be made of carbon (could it be graphite?), dangling by a thread over the planet, and containing two new articles (Allen et al and Meinshausen et al), a “News & Views” piece written by two of us, and a coupl... | <urn:uuid:1a9c6bb8-310b-4338-a80e-5248c7cedaea> | 2.640625 | 924 | Personal Blog | Science & Tech. | 45.548482 | 2,478 |
Analysis: Evidence for climate extremes, costs, gets more local
OSLO (Reuters) - Scientists are finding evidence that man-made climate change has raised the risks of individual weather events, such as floods or heatwaves, marking a big step towards pinpointing local costs and ways to adapt to freak conditions.
"We're s... | <urn:uuid:1df49711-7531-4aeb-87df-52870202f86e> | 3.09375 | 1,174 | Truncated | Science & Tech. | 43.690881 | 2,479 |
30 mars 2012 | EN | ES
The conference brought together 3,000 scientists
Planet Under Pressure
[LONDON] Earth has only one decade to pull itself back from various environmental 'tipping points' — points at which the damage becomes irreversible, scientists have said.
If it fails to do so, it is likely to witness a series... | <urn:uuid:2d17c674-8fac-4d27-b781-203950a1bf2e> | 3 | 1,201 | News Article | Science & Tech. | 22.579769 | 2,480 |
As the questioner suggests, it is the ionization of the air that makes the path of the spark change. Stray radioactivity or cosmic rays will ionise air (neutrinos won't), but I suspect the most important source of ionisation here is the sparking itself: the first spark to discharge will produce ions all along its path,... | <urn:uuid:85b3fde4-0842-4c73-ae09-5e8e98151dc3> | 3.109375 | 223 | Q&A Forum | Science & Tech. | 53.268733 | 2,481 |
Meanwhile the carbon dioxide content of the oceans will have doubled. This raises an incidental question about the welfare of sea organisms. We know that an increase in carbon dioxide concentration increases the acidity of water, and that many marine animals are extremely sensitive to changes in acidity. However, if th... | <urn:uuid:f9594281-ab58-426b-a107-fcf7e6a7d0ad> | 3.359375 | 247 | Truncated | Science & Tech. | 30.539104 | 2,482 |
Dynamics is the study of bodies in motion. There are two major topics in the study of dynamics: kinematics is the study of the motion of particles and bodies, and kinetics is the study of the forces and moments required to induce motion. The motion of particles can be categorized as rectilinear and curvilinear. These t... | <urn:uuid:0edc5d92-8fde-414d-bc19-0d2e2d4a0dd8> | 3.359375 | 191 | Product Page | Science & Tech. | 37.21575 | 2,483 |
Original URL: http://www.theregister.co.uk/2005/03/23/nasa_planets/
NASA catches light from another planet
Heralds new era in planet watching
Scientists working with NASA's Spitzer Space Telescope have directly observed light from a known extra-solar planet. The US space agency has hailed the breakthrough as the beginn... | <urn:uuid:31b2061f-7786-4efb-9b65-22d5441362a8> | 3.28125 | 700 | Truncated | Science & Tech. | 50.799152 | 2,484 |
News Stories relating to "rain"
Wednesday, February 6, 2013
Researchers have discovered the presence of significant numbers of living microorganisms--mostly bacteria--in the middle and upper troposphere, the part of the atmosphere four to six miles above the Earth's surface. In other words, the clouds are filled with g... | <urn:uuid:ee97e1f7-8d97-480a-ad0c-3000610053c6> | 2.6875 | 538 | Content Listing | Science & Tech. | 57.697988 | 2,485 |
It was an experiment they hoped would never happen. But when it did, they were poised to respond.
In 2008, a multi-institutional team of researchers launched a long-term study to explore the lush but little-known communities of corals, anemones, crabs, worms, fish, and other organisms that thrive on the seafloor in the... | <urn:uuid:02902920-2260-4fd5-977e-7d2ed638ca2b> | 3.453125 | 2,206 | Knowledge Article | Science & Tech. | 47.731918 | 2,486 |
It's no secret that winds carrying dust, soot and even germs make transcontinental journeys through the upper atmosphere that can affect the weather thousands of miles away. Yet little is known about the impact of foreign pollutants on the West Coast, which relies on mountain snowmelt for its water needs.
Previous stud... | <urn:uuid:13c8a759-0f13-454f-ba01-39c37126fe28> | 3.8125 | 444 | News Article | Science & Tech. | 36.407857 | 2,487 |
Efforts to Protect Earth From Asteroids Are Under Way. But Will It Be Enough?
- 6:30 AM
- Categories: Space
In the wake of Earth’s largest meteor strike in more than a century, the world’s attention has turned skyward.
The 17-meter bolide exploded in the air over the Chelyabinsk region of Russia on Feb. 15, shattering ... | <urn:uuid:6084015f-71e9-4ade-9829-c4c4fd9ee6a6> | 3.53125 | 1,742 | News Article | Science & Tech. | 41.939558 | 2,488 |
Where Is the Love for Bugs?
By: Rachel Nuwer, The New York Times
October 13, 2011
“If human beings were to disappear tomorrow, the world would go on with little change,” the biologist E.O. Wilson once wrote. But if invertebrates were to vanish, he said, “I doubt that the human species could last more than a few months.... | <urn:uuid:eff34d67-bbe0-4c8c-a85b-084e0756073b> | 3.3125 | 1,357 | Truncated | Science & Tech. | 35.313607 | 2,489 |
"It was a nice fit," she says. It seemed likely that primates developed better vision because of snakes, not to reach out and grab a piece of fruit.
The problem with the old theory, she says, is it doesn't mesh well with current neurological evidence. The structure of the brain's visual system differs among primates.
A... | <urn:uuid:a5216f1f-294c-492b-b4d6-dd2b33d2fc75> | 2.71875 | 272 | News Article | Science & Tech. | 61.141667 | 2,490 |
Hosler said he planned to share his concerns at a professional-society meeting of aerospace scientists and engineers tomorrow in Reno, Nev.
Hosler's complaints were echoed last week by other weather experts on the panel and by John Theon, head of the National Aeronautics and Space Administration's weather research offi... | <urn:uuid:d45bef5f-17ea-43f2-8616-35bcdc0713ce> | 3 | 1,059 | News Article | Science & Tech. | 40.78397 | 2,491 |
A few weeks ago, Colorado fires raged. They are still there, but mostly out and contained – the Boulder fire is completely contained, but pockets of fire will probably burn at a low level for weeks and be put out as they’re found.
South of us, in Colorado Springs, the wildfire was apocalyptic. It destroyed over 18,000 ... | <urn:uuid:11f5256e-55f2-4742-88f1-52211e4aa52d> | 3.578125 | 402 | Personal Blog | Science & Tech. | 53.633057 | 2,492 |
May 9, 2011 | 13
Supercomputers may soon approach the brain’s power, but much is unknown about how it works
In "Too Hard for Science?" I interview scientists about ideas they would love to explore that they don’t think could be investigated. For instance, they might involve machines beyond the realm of possibility, suc... | <urn:uuid:d73443ca-f166-45bb-b945-f4e4f1119a12> | 3.609375 | 1,522 | Nonfiction Writing | Science & Tech. | 44.092527 | 2,493 |
November 5, 2010 | 6
A light electrical current just above the right ear seems to improve numerical learning for at least six months, according to a new study. But if the current is moved to the left side, average peoples’ ability to learn basic numerical principles plummets.
The group behind the new study, led by Roi ... | <urn:uuid:24031ef8-8f19-4f49-8e24-5da893382f52> | 3.265625 | 1,097 | News Article | Science & Tech. | 32.932892 | 2,494 |
A keystone species is a species which maintains the balance and diversity of its community. Often keystone species are predators which check the population of other species that might otherwise become dominant. Sometimes they are mutualists which perform a necessary function for a community. Other keystone species are ... | <urn:uuid:c65bb00b-a070-45e4-a298-dfd6dfa1caab> | 3.828125 | 729 | Nonfiction Writing | Science & Tech. | 45.44109 | 2,495 |
Determination of Monthly Mixed Layer Depth Fields
In order to define monthly mixed layer depth (MLD), a weighted average based on two sources of MLD information was created, one source based on observations and the other based on a numerical ocean model. The first was the MLD product offered by the National Ocean Data ... | <urn:uuid:7b467fc4-3073-44f1-88ff-7923c19f037b> | 2.90625 | 686 | Academic Writing | Science & Tech. | 42.948417 | 2,496 |
From Universe Today (yes I know it is linked elsewhere on BAUT, but I thought worthy of repeating here)
A new look at data from the Mars Viking landers concludes that the two landers may have found the building blocks of life on the Red Planet after all way back in 1976. The surprise discovery of perchlorates by the Ph... | <urn:uuid:da3de58a-6110-4a2a-9679-c1a06ae7c42d> | 2.96875 | 301 | Comment Section | Science & Tech. | 30.115236 | 2,497 |
I enjoy a lively discussion. Perhaps that was my objective, rather than my original position regarding the direction and source of the force which causes the tides.
Each particle of each body "attracts" every other particle. The actual number of forces may be near infinity. If we assume both bodies to be emitting separ... | <urn:uuid:5dbb6e0f-c4ac-42e3-837d-4d765b890101> | 3.265625 | 711 | Comment Section | Science & Tech. | 47.187271 | 2,498 |
Check me out @ Youtube.com/aemind for more Mind Empowering videos.
I want to talk about Flexible Electrons in today’s Mind Updates video.
Even though scientist from Northwestern University had discovered a way to make electrons flexible, they could never really make them as flexible as they would need to be in order to... | <urn:uuid:59e56725-1acc-42a9-87eb-7c6647367721> | 3.0625 | 204 | Truncated | Science & Tech. | 56.018246 | 2,499 |