text stringlengths 174 655k | id stringlengths 47 47 | score float64 2.52 5.25 | tokens int64 39 148k | format stringclasses 24
values | topic stringclasses 2
values | fr_ease float64 -483.68 157 | __index__ int64 0 1.48M |
|---|---|---|---|---|---|---|---|
Microscopic particles that bind under low temperatures will melt as temperatures rise to moderate levels, but re-connect under hotter conditions, a team of New York University scientists has found. Their discovery points to new ways to create “smart materials,” cutting-edge materials that adapt to their environment by ... | <urn:uuid:43c6f694-7c17-4dae-860d-3ba242166004> | 3.578125 | 1,383 | Content Listing | Science & Tech. | 34.512885 | 95,621,211 |
Researchers at the University of Edinburgh have shown that the hormone vasopressin helps the brain differentiate between familiar and new scents.
The study, published in the journal Nature, suggests that when the hormone fails to function, animals are unable to recognise other individuals from their scent.
The ability ... | <urn:uuid:b3042fd2-e25f-41c1-baf1-e745d6aa23b8> | 3.453125 | 1,051 | Content Listing | Science & Tech. | 39.72478 | 95,621,218 |
In the following example, the list object assigned to the name L is referenced both from L and from inside the list assigned to the name M.
Changing L in place changes what M references, too:
L = [1, 2, 3] M = ['X', L, 'Y'] # Embed a reference to L print( M ) L = 0 # Changes M too print( M )
You can avoid sharing objec... | <urn:uuid:0cb6de4c-8bb9-46f1-8d06-4eb486818947> | 3.4375 | 233 | Documentation | Software Dev. | 85.689444 | 95,621,225 |
Ecology and Conservation of Forest Birds is a unique review of current understanding of the relationships between forest birds and their changing environments. Large ecological changes are being driven by forest management, climate change, introduced pests and pathogens, abiotic disturbances, and overbrowsing. Many for... | <urn:uuid:4ca3585f-48c4-4bb1-adf1-5c5b03e10a93> | 3.15625 | 627 | Product Page | Science & Tech. | 17.446808 | 95,621,249 |
New research intended to dissect one of the planet’s most fertile and endangered ecosystems may change the way scientists look at this symbiotic partnership, shifting it from a case where the polyps function only as landlords to one where the tiny creatures actually nurture their algae.
Preliminary findings were presen... | <urn:uuid:a2d7cc74-7075-4435-8a96-134255df84d1> | 4.125 | 1,568 | Content Listing | Science & Tech. | 41.645537 | 95,621,258 |
Canadian Arthur McDonald, who shared the Nobel Physics Prize with Takaaki Kajita of Japan, said Tuesday he hoped their work on neutrinos could pave the way to nuclear fusion power.
Neutrinos are subatomic particles created as the result of nuclear reactions, such as the process that makes the Sun shine.
The prevailing ... | <urn:uuid:3610c0ce-0950-4d32-b1b2-0077697f48c0> | 3.546875 | 530 | News Article | Science & Tech. | 50.276821 | 95,621,260 |
Earthquakes come and go as they please, leaving behind them trails of destruc- tion and casualties. Although their occurrence is little affected by what we do or think, it is the task of earth scientists to keep studying them from all possible angles until ways and means are found to divert, forecast, and eventually co... | <urn:uuid:25e778ff-c075-4a27-8df5-fd34d2d0c809> | 3.5625 | 393 | Product Page | Science & Tech. | 36.049777 | 95,621,262 |
posted by Aidan
if 4.35 kj of energy are needed to heat a sample of water from 62C into steam at 100.0C what is the mass of the sample
q1 - heat needed to go from 62 C to 100 C.
q1 = mass H2O x specific heat H2O x (Tfinal-Tinitial). Tf is 100 and Ti is 62.
q2 is heat needed to convert the sample of water at 100 to stea... | <urn:uuid:a2453582-bb98-4bb4-8859-432fdf694e25> | 2.578125 | 218 | Q&A Forum | Science & Tech. | 104.746442 | 95,621,294 |
BILLINGS, Mont. — U.S. officials said Wednesday they’ll review the recent lifting of protections for Yellowstone-area grizzly bears in light of a court ruling that retained protections for grey wolves in the Great Lakes.
You are here
TOKYO — Two types of New Zealand kiwi birds are a rare bright spot in a mostly grim as... | <urn:uuid:5176a736-4319-445c-8844-c01a9300ea66> | 2.546875 | 615 | Content Listing | Science & Tech. | 45.095839 | 95,621,300 |
Comprises a capillary tube, which is sealed at the bottom, having a graduated scale from 0 to 200mm. This is mounted onto a metal former which also has a -10 _ 100°C thermometer mounted alongside the tube. The overall length is 350mm with a hole at the top to affix to a retort stand to suspend the apparatus in a tall f... | <urn:uuid:77d0b936-a639-4df2-b15c-3ca7a52a0946> | 3.265625 | 168 | Knowledge Article | Science & Tech. | 50.599032 | 95,621,307 |
The most ambitious genetic study ever undertaken on bird evolution has found that almost all modern birds diversified after the dinosaurs became extinct 66 million years ago.
"The popular view until now has been that the extraordinary diversity of birds began during the dinosaur age but we found little support for this... | <urn:uuid:cd0c6ff1-3553-41e1-b706-417bfe666bd5> | 3.890625 | 1,240 | Content Listing | Science & Tech. | 34.752061 | 95,621,332 |
Very few naturally occurring things on earth are truly negative. In most cases, naturally occurring things and events are usually a mix of good and bad; while they are partly destructive, they also have some pretty positive impact on the living beings on earth. However, that is not very true about the destructive force... | <urn:uuid:0e5a0c4e-6dbe-42eb-a808-9a7b6753344a> | 3.5 | 958 | Personal Blog | Science & Tech. | 29.719404 | 95,621,345 |
Majorana fermions are particles that could potentially be used as information units for a quantum computer. An experiment by physicists at the Swiss Nanoscience Institute and the University of Basel’s Department of Physics has confirmed their theory that Majorana fermions can be generated and measured on a superconduct... | <urn:uuid:f4f41d50-cec5-42d6-b2da-f5e579bed66b> | 3.703125 | 1,504 | Content Listing | Science & Tech. | 33.993447 | 95,621,351 |
"Dark energy is one of the great scientific mysteries of our time, so it isn't surprising that so many researchers question its existence. But now, according to a team of astronomers at the University of Portsmouth and LMU University Munich, led by Tommaso Giannantonio and Robert Crittenden, the scientists the likeliho... | <urn:uuid:a093dc63-f047-42bb-8c55-c14c226805ab> | 3.125 | 1,224 | News Article | Science & Tech. | 33.761039 | 95,621,360 |
A revolutionary X-ray analytical technique that enables researchers at a glance to identify structural similarities and differences between multiple proteins under a variety of conditions has been developed by researchers with the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab). A... | <urn:uuid:16d3aa92-842d-46cd-afef-89911adece8e> | 3.15625 | 1,367 | Academic Writing | Science & Tech. | 21.884118 | 95,621,364 |
For decades, researchers have been looking at how different-sized legs and feet are put together across the four-legged animal kingdom, but until now they overlooked the "shoes," those soft pads on the bottom of the foot that bear the brunt of the animal's walking and running.
New research from scientists in Taiwan and... | <urn:uuid:9fbb3092-b00a-4511-a01e-fa2c3f0c0ba4> | 3.421875 | 1,376 | Content Listing | Science & Tech. | 49.742755 | 95,621,367 |
A dramatic magnetic energy wrestle at the Sunlight’s area lies at the coronary heart of solar eruptions, new research using NASA info shows. The operate highlights the function of the Sunshine’s magnetic landscape, or topology, in the growth of solar eruptions that can cause room weather conditions activities around Ea... | <urn:uuid:b21cfa3c-e977-47ae-ae98-b2127cf92101> | 3.328125 | 994 | News Article | Science & Tech. | 30.060767 | 95,621,379 |
Catalysts are everywhere. They make chemical reactions that normally occur at extremely high temperatures and pressures possible within factories, cars and the comparatively balmy conditions within the human body. Developing better catalysts, however, is mainly a hit-or-miss process.
By precisely designing a series of ... | <urn:uuid:a9674ef9-1f34-42f4-931d-55e8851dce70> | 2.8125 | 2,283 | Content Listing | Science & Tech. | 30.440438 | 95,621,380 |
+44 1803 865913
Edited By: SH Schneider, A Rosencranz, MD Mastrandrea and K Kuntz-Duriseti
522 pages, b/w photos, b/w illustrations, tables
This book features 49 individual chapters by some of the world's leading climate scientists. Its five sections address climate change in five dimensions: ecological impacts, policy... | <urn:uuid:0bb2ab3e-ea93-4415-94f5-6dab296ada45> | 2.8125 | 208 | Product Page | Science & Tech. | 33.465506 | 95,621,390 |
Here is Description! (The content won't change, but the English might be revised.)
Ions play an important role in almost all of the biological reactions. Without ions, a living organism cannot maintain their vital activity and therefore, ion strength has a huge impact on them. Devices that synthetic biology develops al... | <urn:uuid:40279cb0-6c3f-4d01-969e-43327d51412e> | 3.046875 | 409 | Knowledge Article | Science & Tech. | 37.967904 | 95,621,407 |
Description: Ann Hodges has the distinction of being the only human to have been hit my a meteorite. While Mrs. Hodges was napping on the couch the meteorite impacted her house, bounced off a table and hit her in the hip. She was able to walk away from the incident. Scientists can learn about the composition of the ear... | <urn:uuid:085d5a86-b0fb-4522-8ec5-5919a4c11959> | 2.5625 | 102 | Knowledge Article | Science & Tech. | 48.89 | 95,621,416 |
Influence of Sunlight on Chemical Composition of Oceanic-Derived Sea-Salt Particles in the Lower AtmosphereESF in Bermuda
Although the atmosphere is mostly comprised of gases, it also contains many particles (better known as aerosols). Individual aerosols are too small to be seen with the naked eye. However, their pres... | <urn:uuid:42d7c73b-dbae-4d1a-8ab4-9cd3d442484e> | 3.484375 | 1,801 | Academic Writing | Science & Tech. | 22.066243 | 95,621,423 |
Washington: Contrary to earlier visualisations, the sun's heliosphere is dominated by two giant jets of material shooting backwards over the north and south poles of the sun.
The heliosphere is created by the solar wind, the changed particles emitted by the sun. The heliosphere extends far beyond the planets of the sol... | <urn:uuid:77c35315-0eef-47d8-b62a-d99fffd635bc> | 4.09375 | 386 | News Article | Science & Tech. | 40.608125 | 95,621,440 |
Salt marsh harvest mouse
|Salt marsh harvest mouse|
The salt marsh harvest mouse (Reithrodontomys raviventris), also known as the red-bellied harvest mouse and sometimes called the saltmarsh harvest mouse, is an endangered rodent endemic to the San Francisco Bay Area salt marshes in California. There are two distinct s... | <urn:uuid:50cb304d-5801-4c85-9d72-c5aeb49a6b8b> | 3.015625 | 2,540 | Knowledge Article | Science & Tech. | 55.733457 | 95,621,441 |
There are some great tools available to anyone who wants to do math, regardless of the level involved. And whether it’s a calculator, spreadsheet or software package, they don’t just cater to time-savers. Many are programmable and therefore thought-provoking. But in the old days of hand-calculations, people did not nec... | <urn:uuid:adc1bda9-33b7-40a0-a127-35d923ece006> | 3.75 | 1,114 | Personal Blog | Science & Tech. | 80.920395 | 95,621,447 |
previous | home | next
Astronomy Lesson 49: The Solar Neutrino Problem
Here we learn how the Standard Model of Physics was tested, and how the existence of fusion in the core of the Sun was actually determined. This led to two Nobel Prizes, and a lot of dry-cleaning fuild down a deep, deep hole.
- Proton–proton chain r... | <urn:uuid:0ffb05aa-a396-4ca0-8144-c562b4786a42> | 3.796875 | 142 | Content Listing | Science & Tech. | 23.807778 | 95,621,455 |
Reverse osmosis (RO) is one of the most feasible methods of desalination to produce a supplemental freshwater supply. Because traditional RO desalination is energy-intensive, it is not a viable solution for remote Pacific islands where electricity is also in short supply. The utilization of wind power holds promise as ... | <urn:uuid:a402f44d-47e2-4ec1-96fa-9611cdca04a5> | 3.5 | 298 | Academic Writing | Science & Tech. | 46.647823 | 95,621,477 |
Introduction to Attractors and Chaos
Recall that a Newtonian deterministic system is a system whose present state is fully determined by its initial conditions (at least, in principle), in contrast to a stochastic (or, random) system, for which the initial conditions determine the present state only partially, due to n... | <urn:uuid:ee9327c8-a575-4225-91f9-6614dab1b628> | 2.640625 | 159 | Truncated | Science & Tech. | 18.381364 | 95,621,478 |
Gecko-Tech Device Creates Real Life Spiderman
It seems that superpowers aren't just for comic book heroes. The Defense Advanced Research Projects Agency (DARPA) has created a pair of paddles that replicate Spiderman's wall-climbing abilities, a device that could allow US troops to do the same.
While many associate the ... | <urn:uuid:c6bfe738-e146-4129-8ec1-c7a20727470d> | 2.921875 | 459 | News Article | Science & Tech. | 42.260627 | 95,621,484 |
The same instruments used in the Nobel Prize-winning discovery of gravitational waves caused by colliding black holes could help unlock the secrets of dark matter, scientists, including one of Indian origin, say.
Dark matter is a mysterious and as-yet-unobserved component of the universe. Its nature remains unknown, bu... | <urn:uuid:16b218c5-eab5-4bdb-8826-16fa579dcfdd> | 3.765625 | 508 | News Article | Science & Tech. | 21.764888 | 95,621,491 |
Just as ooding threats need to be factored into coastal community planning initiatives, so too should sea level change. Unfortunately, the “one size ts all” approach does not work.
The level of uncertainty represented in sea level projections is one challenge. Furthermore, universal projections can’t be uniformly appli... | <urn:uuid:81972575-3fd8-471d-8986-5e33cf4d5ef9> | 2.765625 | 293 | Knowledge Article | Science & Tech. | 20.28427 | 95,621,492 |
Herbivory and Light
In Chapter 5, the light climate within the rainforest was assessed within the vicinity of a leaf-cutting ant colony. These measurements highlighted the enormously variable light conditions both vertically through the canopy and near the forest floor. Since the cutting of leaves by ants affects canop... | <urn:uuid:e97bebb8-1c67-4d7f-83ba-bf19281fb9f3> | 3.28125 | 182 | Truncated | Science & Tech. | 12.055503 | 95,621,507 |
About the project
QRIScloud’s fast and accessible data storage is making a positive difference to a global climate change research project involving Queensland’s James Cook University.
The Wallace Initiative, named after ecologist Alfred Russell Wallace, is investigating which areas, species and crops are likely to be ... | <urn:uuid:84807b7c-7f72-425c-bd16-3bbfc56e3d8d> | 2.546875 | 786 | About (Org.) | Science & Tech. | 32.859233 | 95,621,526 |
When it comes to choosing their wintering destinations Antarctic skuas are flexible. This is shown in a study of an international research team led by the polar-ornithologist Dr. Hans-Ulrich Peter from the Friedrich Schiller University Jena (Germany). According to the study, a great part of the South Polar skuas spend ... | <urn:uuid:f7807214-ee28-4735-b5d2-d246692a4a8f> | 3 | 1,576 | Content Listing | Science & Tech. | 50.504415 | 95,621,571 |
Working with colleagues at Caltech, Stanford and the Howard Hughes Medical Institute, a Duke University bioengineer has developed a living system using genetically altered bacteria that he believes can provide new insights into how the population levels of prey influence the levels of predators, and vice-versa.
The Duk... | <urn:uuid:d11a1354-b5ca-4200-aa81-53d3e6bb0293> | 3.5 | 1,509 | Content Listing | Science & Tech. | 33.625424 | 95,621,572 |
There’s a pretty story we tell ourselves about environmental problems: Once you fix them, they immediately start to improve.
Smog works like this. In cities where air quality is a problem, smog tends to worsen on weekdays, because millions of people are commuting and factories are fully productive. On weekends, when fe... | <urn:uuid:97b5483c-d792-437a-9672-7df6268d9cd2> | 3.875 | 1,626 | News Article | Science & Tech. | 45.8345 | 95,621,575 |
Computer programming is an art and science of writing programs. A program is nothing but a set of instructions for computer to perform some tasks. The computer programming instruction are written using a programming language.
The programming is an art because you must beautiful, neat and clear programs. Your computer c... | <urn:uuid:39d0a043-0032-49e8-a774-e97b8031e0d2> | 3.890625 | 217 | Tutorial | Software Dev. | 46.586825 | 95,621,583 |
Asteroids may have delivered water to early Earth An asteroid impact can create glass and melted rock, which can trap water vapor. The finding boosts the idea that asteroids brought water to the early Earth. ZLOVE/ISTOCKPHOTO / Article by LISA GROSSMAN Click here to read the full story.
Category Archives: Science Blog
... | <urn:uuid:7124fd17-474e-4669-8cf8-a7846c1f73af> | 2.578125 | 448 | Content Listing | Science & Tech. | 41.502656 | 95,621,613 |
The glider on the ocean surface before it descends to begin a mission. (Photo courtesy Mark Baumgartner, Woods Hole Oceanographic Institution)
Mark Baumgartner checks computer data during 2005 field studies. (Photo by Amy Nevala, Woods Hole Oceanographic Institution)
First passive recordings from ocean gliders provide ... | <urn:uuid:d2737555-5349-46bb-b509-4814de942637> | 3.53125 | 862 | Content Listing | Science & Tech. | 32.38 | 95,621,645 |
The animation highlights the movement in the area between September 2006 and October 2007. The Pine Island Glacier is visible stretching from the right of the image to the centre. The tongue of Pine Island is shown moving inland between September 2006 and March 2007. Between April and May 2007, the detached iceberg in ... | <urn:uuid:5ec3431c-e1c9-4044-b72e-431028ced4fd> | 4.09375 | 1,318 | Content Listing | Science & Tech. | 43.335244 | 95,621,663 |
Investigating how species coped with past environmental changes informs how modern species might face human-induced global changes, notably via the study of historical extinction, a dominant feature that has shaped current biodiversity patterns. The genus Bombus, which comprises 250 mostly cold-adapted species, is an i... | <urn:uuid:422a55e2-9c57-461b-8ed1-bf1e1494c8b2> | 3.65625 | 261 | Academic Writing | Science & Tech. | 7.087263 | 95,621,664 |
This Is Your Brain on Nanotubes
Carbon nanotubes can send electrical signals to neurons and are being developed for retinal implants.
Carbon nanotubes – incredibly strong, electrically conductive, hollow molecules of carbon about a nanometer in diameter – have for more than a decade been prized by materials scientists.... | <urn:uuid:b4ce82cd-e8f1-4fb2-8d20-ecfa475ef245> | 3.796875 | 1,022 | News Article | Science & Tech. | 25.212256 | 95,621,666 |
The result is the most precise measurement to date of the ratio of positrons to electrons in cosmic rays. Measurements of this key ratio may eventually provide the world with our first glimpse into dark matter.
The AMS experiment, developed under the leadership of Professor Ting, with support from the U.S. Department o... | <urn:uuid:a9fc95da-cab1-435e-825c-011003d863d4> | 3.40625 | 1,346 | Content Listing | Science & Tech. | 39.906275 | 95,621,693 |
Human activity has several detrimental effects on the environment. The use of chemicals can damage fragile ecosystems, the garbage we produce pollutes land and water and production of the energy we use results in harmful emissions that contribute to climate change. Reversing these effects and restoring the environment ... | <urn:uuid:ef0115da-87bd-48a0-8a88-97649bbd1a9e> | 4.1875 | 718 | Knowledge Article | Science & Tech. | 31.943717 | 95,621,703 |
Electrical properties of a membrane
The simplest representation of a piece of nerve membrane is a simple RC– circuit as shown in Figure 1. The capacitance of a typical membrane, Cm arises due to the fact that there are layers of conductive and nonconductive (lipids) media. The capacitance of a typical patch of membrane... | <urn:uuid:345e217a-094c-425e-bf2d-15a72774894c> | 3.75 | 810 | Truncated | Science & Tech. | 43.736243 | 95,621,706 |
Everybody knows that sliding on ice or snow, is much easier than sliding on most other surfaces. But why is the ice surface slippery? This question has engaged scientists for more than a century and continues to be subject of debate. Researchers from AMOLF, the University of Amsterdam and the Max Planck Institute for P... | <urn:uuid:1246e2f7-654e-4783-95ef-9314efb4ae1b> | 4.0625 | 1,401 | Content Listing | Science & Tech. | 38.362628 | 95,621,713 |
Although many people think that California “owns” all the earthquakes, Ohio also has its share of faults. Unlike another earthquake that woke people on another April 18, 102 years ago, this quake was fairly mild.
Two of UC’s earthquake experts have had extensive experiences with earthquakes. Attila Kilinc is a professo... | <urn:uuid:b4f68830-5ab7-4e3b-8910-6a0d47a810b2> | 3.25 | 1,537 | Content Listing | Science & Tech. | 47.841864 | 95,621,714 |
Physicist Fatima Ebrahimi at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has published a paper showing that magnetic reconnection -- the process in which magnetic field lines snap together and release energy -- can be triggered by motion in nearby magnetic fields. By running compute... | <urn:uuid:e3ee72f3-413f-47db-b485-e3ecafcb50cd> | 3.578125 | 1,306 | Content Listing | Science & Tech. | 36.743917 | 95,621,715 |
why do objects fall at the same time
This is only the case in a vacuum because there are no air particles, so there is no air resistance; gravity is the
only force acting. You can see it for yourselves with this easy Take one piece of A4 paper and scrunch it up into a ball. Take two pieces of identical A4 paper and scr... | <urn:uuid:0cf31ddf-98fc-4605-895f-f4d103c252fb> | 3.875 | 1,115 | Truncated | Science & Tech. | 55.550273 | 95,621,722 |
Singapore: Rapidly warming ocean temperatures in some parts of the world could be pushing some fish species to the limit, stunting their growth, increasing stress and raising the risk of death, a study shows.
An Australian study, published on Monday in the journal Nature Climate Change, focused on the long-lived fish s... | <urn:uuid:402b7bd6-3e63-47c3-bb71-554d4e1db939> | 3.53125 | 551 | News Article | Science & Tech. | 40.272 | 95,621,723 |
Reefs containing more than 600 kilograms per hectare of fish biomass should be conservation priorities
A new study by WCS (Wildlife Conservation Society) has found that coral reef diversity 'hotspots' in the southwestern Indian Ocean rely more on the biomass of fish than where they are located, a conclusion that has ma... | <urn:uuid:2065fab7-bd63-4261-b74b-71b7770fb653> | 3.578125 | 1,484 | Content Listing | Science & Tech. | 37.165828 | 95,621,729 |
What are the units of specific gravity? Assuming that the density of water is 0.997 g.mL^-1 and the specific gravity of gold is 19.28 what is the density of gold in g.mL^-1? In pounds per cubic foot?
my attempt: no units for specific gravity. Density of gold in g.ml^-1 = 19.2 g/mL^-1 I have no idea how to convert to po... | <urn:uuid:be3a8aee-fb90-4bef-88bf-08631e8046dd> | 2.921875 | 388 | Q&A Forum | Science & Tech. | 100.54855 | 95,621,737 |
Elon Musk has presented a study with details on how SpaceX plans to establish a permanent human settlement on Mars. The research has been published in New Space, and expands on the plans introduced by Elon Musk at the International Aeronautical Congress (IAC) in Guadalajara, Mexico in September 2016.
During the IAC pre... | <urn:uuid:1d753037-e4c1-443e-9615-d9f1e7a346ac> | 3.578125 | 3,450 | News Article | Science & Tech. | 45.377761 | 95,621,740 |
The overwhelming majority of genes are represented in two copies in the cells of animals: one is received from the mother, the other – from the father. In many cases, the organism endures with difficulty the damage to one of the copies: a single dose of a gene may be insufficient for normal evolution. However, for some... | <urn:uuid:98d0cc82-f9ff-4ce7-8c4c-a6208f8c540e> | 3.625 | 1,100 | Content Listing | Science & Tech. | 36.753389 | 95,621,742 |
Something similar to this image will be obtained. A kink in the field lines is observed, corresponding to the division of space into two regions: the inner region, close to a circle, enclosed by the kinks, which contains those points of space that already "know" that the charge has stopped, and the outer region, contai... | <urn:uuid:0c6ab74b-235c-4942-9ba0-a457a137da3a> | 3.78125 | 310 | Documentation | Science & Tech. | 48.230653 | 95,621,774 |
Why the ‘Obsession’ with Urban Biodiversity Could Be a Fatal Distraction | KCET
Why the ‘Obsession’ with Urban Biodiversity Could Be a Fatal Distraction
Published as part of an environmental storytelling partnership with the Laboratory for Environmental Narrative Strategies (LENS) at UCLA, with extensive contributions ... | <urn:uuid:e2d2b4a4-38fe-4306-a8f6-4488fdde43de> | 2.625 | 2,080 | Nonfiction Writing | Science & Tech. | 43.980843 | 95,621,787 |
Optical dating has been applied to sediments preserved in Little Sippewissett Marsh, Massachusetts, USA, which are associated with overwashing of the beach barrier during hurricane strikes on the coast. The aims were to determine the hurricane landfall frequency, and make comparisons with independent age control and th... | <urn:uuid:a15d0972-c0cf-4964-86e9-85014f86afd3> | 2.90625 | 333 | Academic Writing | Science & Tech. | 20.848922 | 95,621,788 |
Physicists seem to me always in pursuit of new postulated particles. They whimsically label properties of the subatomic particles called quarks as up, down, bottom, top, charm and strange.
As a mathematician, I find it delightful that new particles have been predicted because their existence would mean the mathematics ... | <urn:uuid:75b43583-c528-4b86-b875-f1308058a647> | 3.1875 | 664 | Personal Blog | Science & Tech. | 35.626235 | 95,621,841 |
On-surface chemical reactions can lead to novel chemical compounds not yet synthesized by solution chemistry. The first-step, second-step, and third-step products can be analyzed in detail using a high-resolution atomic force microscope, as demonstrated in Nature Communications by scientists from the Swiss Nanoscience ... | <urn:uuid:dd98a7f7-f660-4361-9c60-5686b315c753> | 3.671875 | 1,302 | Content Listing | Science & Tech. | 32.7076 | 95,621,842 |
Two Northeastern University researchers and their international colleagues have created an advanced model aimed at exploring the role of neutral evolution in the biogeographic distribution of ocean microbes.
Their findings were published Thursday in the journal Science. The paper—titled “Biogeographic patterns in ocean... | <urn:uuid:3f826a5d-83b8-4260-ab0f-030c6d7a5605> | 3.171875 | 1,140 | Content Listing | Science & Tech. | 33.337882 | 95,621,843 |
Authors: George Rajna
Scientists led by Daigo Shoji from the Earth-Life Science Institute (Tokyo Institute of Technology) have shown that a type of artificial intelligence called a convolutional neural network can be trained to categorize volcanic ash particle shapes. Intel's Gadi Singer believes his most important ch... | <urn:uuid:f1432aec-ed91-44d3-93fd-2c0b29ad344e> | 3.375 | 372 | Knowledge Article | Science & Tech. | 36.996966 | 95,621,854 |
Describe the following characteristics of the graph shown in Graph3.pdf:
1. Where is the function increasing, decreasing, or constant?
2. Are there any relative/absolute extrema? If so, where?
3. Is the graph smooth or choppy (piecewise)?
4. Are there any restrictions on the domain?
5. Are there any horizontal or verti... | <urn:uuid:5ef115e9-7897-42f7-a346-795921734687> | 3.59375 | 410 | Tutorial | Science & Tech. | 53.9546 | 95,621,870 |
A relatively small black hole (20-30 times the mass of our Sun) can sustain a hugely voracious appetite while consuming material in an efficient and tidy manner – something previously thought impossible.
Figure 1. Artist’s visualization of the environment around M101 ULX-1, showing a stellar-mass black hole (foreground... | <urn:uuid:b3710700-0454-4de5-a886-ef71de457f4d> | 3.609375 | 2,339 | Content Listing | Science & Tech. | 38.994483 | 95,621,882 |
There are a number of hot topic environmental issues right now. Name some that are affecting you? Then discuss what you believe your environmental responsibilities are in relation to these issues? Do you always measure up to your responsibilities to the environment? Do you fall short? Explain why or why not.© BrainMass... | <urn:uuid:e60dfae2-54f3-4eb7-9bbb-48f8dbaea49a> | 3.390625 | 379 | Truncated | Science & Tech. | 30.688251 | 95,621,896 |
In support of the first Tropospheric Ozone Assessment Report (TOAR) a relational database of global surface ozone observations has been developed and populated with hourly measurement data and enhanced metadata. A comprehensive suite of ozone data products including standard statistics, health and vegetation impact met... | <urn:uuid:41ef957a-2246-432c-8b8c-9e83eca11c4e> | 2.96875 | 518 | Academic Writing | Science & Tech. | 8.423402 | 95,621,910 |
- We discuss the design of a linker for the Intel 8088/80×86 processors which resembles LINK of MS-DOS in many respects.
- It may be noted that the object modules of MS-DOS differ from the Intel specifications in some respects.
Object Module Format (Explain object module of the program)
- An Intel 8088 object module is... | <urn:uuid:08fca184-fa76-4fb4-a6ca-f37a8d7fa6e7> | 2.796875 | 220 | Documentation | Software Dev. | 46.379387 | 95,621,923 |
The Atomic Moments and Hyperfine Fields in Fe2Ti and Fe2Zr
The magnetic properties of Fe2Ti and Fe2Zr, intermetallic compounds with Laves type structures, were studied using the techniques of neutron diffraction and nuclear resonance fluorescence (Mössbauer effect). Both compounds are ferromagnetic, with magnetic momen... | <urn:uuid:503518ea-6311-4f64-b509-82f6814be1e8> | 2.75 | 245 | Academic Writing | Science & Tech. | 48.017308 | 95,621,939 |
Using XMM-Newton, astronomers have obtained the world’s deepest ‘wide screen’ X-ray image of the cosmos to date. Their observations show newly discovered clusters of galaxies and provide insights into the structure of the distant Universe…
Unlike grains of sand on a beach, matter is not uniformly spread throughout the ... | <urn:uuid:d0135e30-8426-4a33-b217-9719f1cc2c32> | 3.203125 | 813 | Content Listing | Science & Tech. | 37.010697 | 95,621,964 |
Astronomical masers (the radio wavelength analogs of lasers) were first identified in space over fifty years ago and have since been seen in many locations; astronomical lasers have since been seen as well. Some of the most spectacular masers are found in regions of active star formation; in one case the region radiate... | <urn:uuid:2f2bd1c7-c007-4eea-b182-cdb559e48a1d> | 3.546875 | 270 | Content Listing | Science & Tech. | 10.921184 | 95,621,979 |
- Climate Change Impacts in the United States: The Third National Climate Assessment
- Featured Publications
- All Publications
Figure : overview-as-oceans-absorb-co-they-become-more-acidic
As Oceans Absorb CO2 They Become More Acidic
This figure appears in chapter 1 of the Climate Change Impacts in the United States: ... | <urn:uuid:8564f66f-dc82-4501-8cba-d6da3187df6c> | 2.859375 | 316 | Knowledge Article | Science & Tech. | 36.234797 | 95,621,985 |
In the theory of several complex variables and complex manifolds in mathematics, a Stein manifold is a complex submanifold of the vector space of n complex dimensions. They were introduced by and named after Karl Stein (1951). A Stein space is similar to a Stein manifold but is allowed to have singularities. Stein spac... | <urn:uuid:3f02c6d4-b6a5-4d16-92e0-652e1f0c084a> | 2.875 | 1,562 | Knowledge Article | Science & Tech. | 47.330756 | 95,621,993 |
This website contains lecture notes on differential geometry and general relativity provided by a university mathematics professor. The lecture notes start with the necessary mathematical tools (vectors, geometry and tensors), and then explain general relativity and its consequences. At the bottom of the page reference... | <urn:uuid:3842069d-2d6d-477f-a056-f8c1e74e1f33> | 2.65625 | 192 | Content Listing | Science & Tech. | 38.712141 | 95,621,998 |
Authors: Hans-Joerg Hochecker
The matter-waves, well-known from numerous experiments, can be described as beat waves of two counter-moving waves. Thus mass is oscillating space-time, which results from the superposition of two counter-moving space-time waves. The duality of this counter-motion derives the duality of th... | <urn:uuid:16c39266-cc58-492b-a23a-85404951d911> | 3.0625 | 366 | Academic Writing | Science & Tech. | 51.984962 | 95,622,004 |
A university study into the incubation behavior of modern birds is shedding new light on the type of parental care carried out by their long extinct ancestors.
The study, by researchers at George Mason University and University of Lincoln (United Kingdom), aimed to test the hypothesis that data from exisiting birds cou... | <urn:uuid:8a625566-17a4-4e83-873d-f3e761dc0c98> | 3.734375 | 1,112 | Content Listing | Science & Tech. | 36.505493 | 95,622,020 |
Kundt's tube is an experimental acoustical apparatus invented in 1866 by German physicist August Kundt for the measurement of the speed of sound in a gas or a solid rod. It is used today only for demonstrating standing waves and acoustical forces.
How it works
The tube is a transparent horizontal pipe which contains a ... | <urn:uuid:9fef7f3c-74dc-4406-afe6-3480723823e0> | 4.09375 | 1,083 | Knowledge Article | Science & Tech. | 67.253056 | 95,622,034 |
It's a Trap! Using Phylogenetics to Detail Plant Decoy Defenses
Credit: Earlham Institute
Published in Genome Biology, novel research has shed further light on how plants can use ‘baits’ to recognize and trap disease-causing pathogens before infection can take hold.
The recent research, led by the Krasileva Group of Ea... | <urn:uuid:8a2ce95a-37e4-451b-91a6-3b0bb38e663c> | 3.515625 | 995 | News Article | Science & Tech. | 30.016395 | 95,622,038 |
Date of publication: 2017-08-23 03:14
655 Don J. Easterbrook, John Gosse, et. aAl., ‘Evidence for Synchronous Global Climatic Events: Cosmogenic Exposure Ages of Glaciations’, in Don Easterbrook, Evidence-Based Climatic Science , Elsevier, August 7566, Chapter 7, p. 59.
The primary reason he embraced this theory, howev... | <urn:uuid:e08acfd0-94f1-4836-977e-917e1366d64c> | 2.71875 | 1,215 | Academic Writing | Science & Tech. | 42.156 | 95,622,039 |
Researchers at The University of Texas at Austin have discovered a new chemical reaction that has the potential to lower the cost and streamline the manufacture of compounds ranging from agricultural chemicals to pharmaceutical drugs.
Phenolic compounds, or phenols, are broadly used as disinfectants, fungicides and dru... | <urn:uuid:f9755320-1ac2-4e1e-b14c-688729b207f2> | 4.0625 | 723 | News Article | Science & Tech. | 35.600651 | 95,622,044 |
Question: Is &&= a valid Java operator?
Answer: No, it is not.
Question: Name the eight primitive Java types.
Answer: The eight primitive types are byte, char, short, int, long, float, double, and boolean.
Question: Which class should you use to obtain design information about an object?
Answer: The Class class is used... | <urn:uuid:b3a4b5c0-dabe-4f6c-a3f8-e16da1890a5d> | 2.625 | 721 | Q&A Forum | Software Dev. | 45.540892 | 95,622,063 |
- How did people in the olden days create software without any programming software?
- How can I tell if a certain tree is big enough to support a 30-foot zip line?
- Is chaos an actual state, or just a name for rules we haven’t discovered yet?
- Does the outside edge of a ceiling fan blade move faster than the inside ... | <urn:uuid:e5ccab6e-58af-460e-9bb1-2f38878010fc> | 4.0625 | 890 | Q&A Forum | Science & Tech. | 47.261614 | 95,622,066 |
Point Defects in Simple Ionic Solids
Apart from man’s innate need to model and the satisfaction that a good model can bring, the real purpose of scientific modelling is to increase our understanding of a system. More importantly, it provides the basis from which to move forward to understand more complex systems and to... | <urn:uuid:03eda917-b4ae-413e-a743-f74cc74bce5a> | 2.765625 | 924 | Truncated | Science & Tech. | 55.979814 | 95,622,077 |
Tuesday, February 14, 2017
A “Mini Ice Age” Is Coming Soon Says Math Professor’s Solar Cycle Model That’s 97% Accurate
By: Arjun Walia
This has nothing to do with human impact on climate change, but instead the activity of the sun and how solar cycles impact our climate as well. It’s based on a mathematical model that ... | <urn:uuid:1f08645d-16aa-4fb0-8268-b3b98600ffed> | 3.21875 | 1,025 | Personal Blog | Science & Tech. | 43.532227 | 95,622,085 |
Science has known about plant hormones since Charles Darwin experimented with plant shoots and showed that the shoots bend toward the light as long as their tips, which are secreting a growth hormone, aren’t cut off.
But it is only recently that scientists have begun to put a molecular face on the biochemical systems t... | <urn:uuid:804bd744-8c27-48b0-b5e8-7e3a7b4a1a96> | 3.5 | 2,424 | Content Listing | Science & Tech. | 39.561026 | 95,622,116 |
They are two of the world’s biggest energy challenges: clean fuel for transportation and grid-scale energy storage. But in two studies published in the journals Science Advances and Nature Communications, a team of engineers describe their development of new technologies to take them on.
Hydrogen fuel has long been tou... | <urn:uuid:50177b2f-40cb-49a6-8606-bc38d46cc435> | 4.4375 | 1,350 | News (Org.) | Science & Tech. | 26.926591 | 95,622,144 |
Warmer temperatures resulting from climate change may be causing longer growing seasons and a more intense release of pollen.
They absorb harmful carbon dioxide, turning it into stone.
What will historians say a century from now, if they still exist? That the most intelligent known species in the universe lost its mind... | <urn:uuid:d9989b55-a152-4f4c-8b4f-71ff1329896a> | 2.890625 | 227 | Content Listing | Science & Tech. | 41.949886 | 95,622,168 |
In 1975 the Canadian ecologist and population activist tỷ lệ cá độ bóng đá introduced to the world a concept he called the "Demotechnic Index". It is the ratio of the amount of all technological energy a person uses in a day (energy from oil, gas, coal, hydro and nuclear power) over the average amount of energy they ge... | <urn:uuid:4ac666cf-317f-4bb5-820b-e0a1e3a83c42> | 2.640625 | 1,841 | Knowledge Article | Science & Tech. | 39.100406 | 95,622,175 |
NAMEdelch, wdelch, mvdelch, mvwdelch - delete character under the cursor in a curses window
SYNOPSIS#include <curses.h> int delch(void); int wdelch(WINDOW *win); int mvdelch(int y, int x); int mvwdelch(WINDOW *win, int y, int x);
DESCRIPTIONThese routines delete the character under the cursor; all characters to the rig... | <urn:uuid:f56e4f13-7655-4de1-973d-d7927a8d5735> | 2.53125 | 296 | Documentation | Software Dev. | 46.758095 | 95,622,192 |
2 irrational number
2 irrational number
Suppose for the sake of contradiction that is rational. Then there are integers m’ and n’ with = m’/ n’.
By dividing both m’ and n’ by all the factors that are common to both, we obtain =m/n, for some integer m and n having no common factors. Since m/n= , m= n . Squaring both sid... | <urn:uuid:f48da6af-9e06-49a0-b9dd-e8bfc9175d04> | 3.375 | 608 | Academic Writing | Science & Tech. | 82.64005 | 95,622,195 |
Team gives a microscopic quantum mechanical description of how light excites electrons in metals
University of Pittsburgh researchers have become the first to detect a fundamental particle of light-matter interaction in metals, the exciton. The team will publish its work online June 1 in Nature Physics.
Mankind has use... | <urn:uuid:a0d882e1-7b5a-48d1-a45e-02536da6d129> | 3.3125 | 1,250 | Content Listing | Science & Tech. | 35.148152 | 95,622,197 |
Convection occurs in ice-covered lakes if solar radiation warms near-surface water from the freezing point towards the temperature of maximal density. One effect of convective mixing may be to suspend non-motile phytoplankton in the upper water column, providing cells with enough light for growth during ice-covered per... | <urn:uuid:8fd3ca34-1162-4d13-b400-835d453e9e54> | 3.15625 | 283 | Academic Writing | Science & Tech. | 30.375936 | 95,622,198 |
So far ranging and residence patterns amongst early hominins have been indirectly inferred from morphology, stone tool sourcing, comparison to living primates and phylogenetic models. An international team of researchers including Sandi Copeland, Vaughan Grimes and Michael Richards of the Max Planck Institute for Evolu... | <urn:uuid:c95b4fcd-2f2f-4fd6-9d89-7a91bcbc389a> | 4.03125 | 1,750 | Content Listing | Science & Tech. | 27.6112 | 95,622,208 |
The study has determined GNTs are effective in helping doctors track stems cells through the body by making them 40 times better than standard contrast agents used in magnetic resonance imaging. Contrast agents help doctors spot signs of disease or damage in MR images.
Researchers at Rice and the Texas Heart Institute ... | <urn:uuid:14a031b1-94bb-45de-aae9-1be7b8ac5a92> | 2.9375 | 1,381 | Content Listing | Science & Tech. | 37.554204 | 95,622,209 |
The long and steady antennae, whose three outer segments are fused together and can therefore be poorly differentiated from each other, appear to consist of 5 segments. The compound eyes of the males are very large and hairy and are positioned very closely together on the top of the head. . The upper part of their face... | <urn:uuid:3e8c0a82-0144-4963-8659-28e9c478207c> | 3.515625 | 657 | Knowledge Article | Science & Tech. | 52.477363 | 95,622,227 |
Forget roof-mounted solar panels that turn part of your home into a clean energy source. The new phase of solar operates under more of a “go big or go home” angle. That’s because a new solar paint can make every exterior wall of your house a source of clean, renewable energy. Futurism reports that a team of researchers... | <urn:uuid:7fc70917-47c5-48dd-ac70-7e13420d6df4> | 2.875 | 879 | News Article | Science & Tech. | 47.185281 | 95,622,290 |
From an engineering point of view, one all-purpose model of pump on the surface of a cell should suffice to keep these levels constant: When the concentration of a nutrient, say, sugar, drops inside the cell, the pump mechanism could simply go into higher gear until the sugar levels are back to normal.
Yet strangely en... | <urn:uuid:54457aa9-6436-4ff2-b0ef-6be5d3f26c36> | 3.484375 | 1,392 | Content Listing | Science & Tech. | 43.017231 | 95,622,291 |
|Scientific Name:||Beringraja binoculata (Girard, 1855)|
Dipturus binoculata (Girard, 1855)
Raja binoculata Girard, 1855
|Taxonomic Source(s):||Eschmeyer, W.N. (ed.). 2015. Catalog of Fishes. Updated 2 July 2015. Available at: http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp. (Accessed... | <urn:uuid:033ea726-feaf-4905-a5d5-485b35f9a608> | 2.765625 | 4,378 | Knowledge Article | Science & Tech. | 64.275397 | 95,622,364 |
Is life inevitable,due to the laws of nature?
"The formula, based on established physics, indicates that when a group of atoms is driven by an external source of energy (like the sun or chemical fuel) and surrounded by a heat bath (like the ocean or atmosphere), it will often gradually restructure itself in order to di... | <urn:uuid:59e82112-4cb0-4943-8753-85636cdf978b> | 3 | 1,184 | Comment Section | Science & Tech. | 45.985119 | 95,622,365 |
In collaboration with colleagues from Berlin and Madrid, researchers at the Department of Physics at the University of Basel have pulled up isolated molecular chains from a gold surface, using the tip of an atomic force microscope (AFM). The observed signal provides insight into the detachment force and binding energy ... | <urn:uuid:2caf7b9c-d671-4f4d-bb76-434c0f4ebdc2> | 3.09375 | 1,198 | Content Listing | Science & Tech. | 35.289926 | 95,622,368 |
You might think you have nothing in common with mustard except hotdogs. Yet based on research in a plant from the mustard family, Salk scientists have discovered a possible explanation for how organisms, including humans, directly regulate chemical reactions that quickly adjust the growth of organs.
Upon sensing the th... | <urn:uuid:59a64e79-a882-44a9-9c62-5425ef0286a7> | 3.75 | 1,932 | Content Listing | Science & Tech. | 35.790878 | 95,622,396 |
Researchers looked at 3,500-year-long tree ring records from North East Tibet to estimate annual precipitation. They found that recent decades have likely been the wettest on record in this semi-arid region.
Photo: taken by Jialiang Gao on the Tibetan Plateau
The precipitation records have been reconstructed using sub-... | <urn:uuid:e58acdf5-a69c-4f5c-8dec-c4afca458fde> | 3.421875 | 1,099 | Content Listing | Science & Tech. | 46.2531 | 95,622,413 |