Source: http://www.thehollywoodgossip.com/2013/05/the-x-factor-season-3-judges-first-look/
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Some 95 percent of all cargo arriving through Mombasa is ferried to its final destination by road, with lorries the main mode of transport. Most of the goods end up in Uganda and Congo, with the rest going to Burundi, Rwanda, South Sudan and even Somalia.
The truck drivers had wanted officials, whom they accuse of extorting bribes, to revert to the old way of weighing cargo after a change in law. When they refused, truckers used their vehicles, logs and stones to block the vital trade lifeline.
But once the truckers' union, The Kenya Transporters Association (KTA), called their blockade illegal, the police moved to break up the protests.
"We have ensured that they clear a section of the highway for other motorists to pass through," Joshua Omukata, Coast region traffic police chief, told Reuters.
Omukata said the pile up on the highway is now down to 10km on both sides of the highway, improving on the 30km-long lines on Wednesday.
The Kenya Transporters Association (KTA), whose 400 members have around 50,000 trucks, said the drivers had no option but to comply with the law.
"These weigh bridge officials are not relenting, so our effort to protest appears to be a waste of time," said Omar Juma Kamba, a truck driver carrying gas cylinders to the DRC, some 20 hours after he first begun protesting.
(Editing by Drazen Jorgic and Jon Hemming)
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Contact: Cindy Fox Aisen
caisen@iupui.edu
317-843-2276
Indiana University
INDIANAPOLIS -- The Patient-Centered Outcomes Research Institute has approved a three-year research award of more than $2 million to the Indiana University Center for Health Services and Outcomes Research and the Regenstrief Institute Inc. to study ways to improve health care access for the underinsured.
Regenstrief Institute investigator Bradley N. Doebbeling, M.D., professor of medicine in the Indiana University School of Medicine and adjunct professor in the School of Informatics at Indiana University-Purdue University Indianapolis, will lead the research project on behalf of the Indiana Access Collaborative. The project will focus on developing procedures to help underinsured people efficiently and effectively get the care they need for common health problems.
The research, which will be conducted in seven Indiana Community Health Centers, builds upon longtime work by Dr. Doebbeling, Tammy Toscos, Ph.D., of Indiana University-Purdue University Fort Wayne, and Ayten Turkcan, Ph.D., of Northeastern University. Community health centers are a major component of America's health care safety net, providing primary care to low-income citizens, the uninsured and other vulnerable populations. Partners include the Indiana Primary Health Care Association and MDwise, Inc. as well as the community health centers and their patients. Drs. Toscos and Turkcan are co-investigators on the PCORI contact.
"Data show that 2 in 10 adults report that they either delayed or did not receive needed health care due to financial or insurance reasons. And they may confront many other barriers," Dr. Doebbeling said. "Despite recent changes to policy and efforts to improve efficiencies, there are still widespread problems with accessing health care. In this newly funded research project, we will identify and address the challenges underinsured people in Indiana face in overcoming barriers to gaining access to care.
"Understanding challenges and systems redesign is part of the solution to reining in the large proportion -- estimated at 30 to 40 percent of national health care costs -- that is wasteful or inefficient. In any population, such as the group of Indiana Community Health Centers and their patients, there are some who have figured out the best way to practice. Our study will learn from the experiences of patients, providers and staff members to help prioritize care access strategies and implement them."
In addition to Dr. Doebbeling's Regenstrief and IU appointments, he is a senior scientist with the VA Health Services Research & Development Center of Excellence in Indianapolis and a professor of mechanical engineering at Purdue University's Weldon School of Biomedical Engineering.
The study is part of a portfolio of patient-centered research that addresses PCORI's national research priorities and will provide patients with information that will help them make more informed decisions about their care.
"This project reflects PCORI's commitment to support patient-centered comparative effectiveness research, a new approach to health research that emphasizes the inclusion of patients and caregivers at all stages of the study process," said PCORI Executive Director Joe Selby, M.D., MPH. "The research will provide patients and those who care for them better information about the health care decisions they face."
The Indiana University and Regenstrief Institute study is one of 51 projects totaling $88.6 million approved for funding by PCORI's Board of Governors on May 6. All were selected through a highly competitive review process in which scientists, patients, caregivers and other stakeholders helped to evaluate more than 400 applications for funding.
Proposals were evaluated on the basis of scientific merit, how well they engage patients and other stakeholders, their methodological rigor, how well they fit within PCORI's national research priorities, and their likelihood of having an important impact on care. This award is the first to investigators in Indiana.
The awards are part of PCORI's second cycle of primary research funding. This new round of funding follows PCORI's initial approval of $40.7 million in support for 25 projects under the institute's national research priorities. All awards in this most recent round of funding were approved pending completion of a business and programmatic review by PCORI staff and issuance of a formal award contract.
###
PCORI is an independent, nonprofit organization authorized by Congress in 2010. Its mission is to fund research that will provide patients, their caregivers and clinicians with the evidence-based information needed to make better-informed health care decisions. PCORI is committed to seeking input continuously from a broad range of stakeholders to guide its work.
?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Contact: Cindy Fox Aisen
caisen@iupui.edu
317-843-2276
Indiana University
INDIANAPOLIS -- The Patient-Centered Outcomes Research Institute has approved a three-year research award of more than $2 million to the Indiana University Center for Health Services and Outcomes Research and the Regenstrief Institute Inc. to study ways to improve health care access for the underinsured.
Regenstrief Institute investigator Bradley N. Doebbeling, M.D., professor of medicine in the Indiana University School of Medicine and adjunct professor in the School of Informatics at Indiana University-Purdue University Indianapolis, will lead the research project on behalf of the Indiana Access Collaborative. The project will focus on developing procedures to help underinsured people efficiently and effectively get the care they need for common health problems.
The research, which will be conducted in seven Indiana Community Health Centers, builds upon longtime work by Dr. Doebbeling, Tammy Toscos, Ph.D., of Indiana University-Purdue University Fort Wayne, and Ayten Turkcan, Ph.D., of Northeastern University. Community health centers are a major component of America's health care safety net, providing primary care to low-income citizens, the uninsured and other vulnerable populations. Partners include the Indiana Primary Health Care Association and MDwise, Inc. as well as the community health centers and their patients. Drs. Toscos and Turkcan are co-investigators on the PCORI contact.
"Data show that 2 in 10 adults report that they either delayed or did not receive needed health care due to financial or insurance reasons. And they may confront many other barriers," Dr. Doebbeling said. "Despite recent changes to policy and efforts to improve efficiencies, there are still widespread problems with accessing health care. In this newly funded research project, we will identify and address the challenges underinsured people in Indiana face in overcoming barriers to gaining access to care.
"Understanding challenges and systems redesign is part of the solution to reining in the large proportion -- estimated at 30 to 40 percent of national health care costs -- that is wasteful or inefficient. In any population, such as the group of Indiana Community Health Centers and their patients, there are some who have figured out the best way to practice. Our study will learn from the experiences of patients, providers and staff members to help prioritize care access strategies and implement them."
In addition to Dr. Doebbeling's Regenstrief and IU appointments, he is a senior scientist with the VA Health Services Research & Development Center of Excellence in Indianapolis and a professor of mechanical engineering at Purdue University's Weldon School of Biomedical Engineering.
The study is part of a portfolio of patient-centered research that addresses PCORI's national research priorities and will provide patients with information that will help them make more informed decisions about their care.
"This project reflects PCORI's commitment to support patient-centered comparative effectiveness research, a new approach to health research that emphasizes the inclusion of patients and caregivers at all stages of the study process," said PCORI Executive Director Joe Selby, M.D., MPH. "The research will provide patients and those who care for them better information about the health care decisions they face."
The Indiana University and Regenstrief Institute study is one of 51 projects totaling $88.6 million approved for funding by PCORI's Board of Governors on May 6. All were selected through a highly competitive review process in which scientists, patients, caregivers and other stakeholders helped to evaluate more than 400 applications for funding.
Proposals were evaluated on the basis of scientific merit, how well they engage patients and other stakeholders, their methodological rigor, how well they fit within PCORI's national research priorities, and their likelihood of having an important impact on care. This award is the first to investigators in Indiana.
The awards are part of PCORI's second cycle of primary research funding. This new round of funding follows PCORI's initial approval of $40.7 million in support for 25 projects under the institute's national research priorities. All awards in this most recent round of funding were approved pending completion of a business and programmatic review by PCORI staff and issuance of a formal award contract.
###
PCORI is an independent, nonprofit organization authorized by Congress in 2010. Its mission is to fund research that will provide patients, their caregivers and clinicians with the evidence-based information needed to make better-informed health care decisions. PCORI is committed to seeking input continuously from a broad range of stakeholders to guide its work.
?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Source: http://www.eurekalert.org/pub_releases/2013-05/iu-iar052313.php
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By William Schomberg and David Milliken
LONDON (Reuters) - The International Monetary Fund called on Britain's government on Wednesday to do more to speed up slow economic recovery, hinting that the country might be able to afford to borrow more to fund investment.
The report is unlikely to spur chancellor George Osborne to deviate from his flagship austerity programme, and does not directly urge him to defer planned spending cuts.
The IMF expressed concern that a new government programme to boost the housing sector might simply push up prices and called for a "clear strategy" on returning state-controlled Royal Bank of Scotland and Lloyds Banking Group to private ownership.
In an annual review of Britain's economic policies, the Fund said Britain had shown "welcome flexibility" in its push to fix one of the biggest budget deficits in the European Union and noted "encouraging" signs that the economy was on the mend.
"The UK is, however, still a long way from a strong and sustainable recovery. Per capita income remains 6 percent below its pre-crisis peak, making this the weakest recovery in recent history," it said.
It said "planned fiscal tightening will be a drag on growth" and called for several measures to bring about a speedier recovery that would help fix the deficit, urging Britain to take advantage of low borrowing costs to fund more investment.
"Given the tepid recovery, policy should capitalize on nascent signs of recovery to bolster growth, notably by pursuing measures that address supply-side constraints and also provide near-term support for the economy," the IMF said in a statement.
"In the current context in which labour is under-utilized and funding costs are cheap, the net returns from such measures are likely to be particularly favourable."
Osborne has long said that making a conscious choice to borrow more than planned - rather than just reacting to a weaker economic environment - would damage Britain's credibility with the financial markets that fund Britain's debt.
On Tuesday, a spokesman for Prime Minister David Cameron said the government was on track to return the economy to health, and Osborne has previously said he would not take on board IMF recommendations that he disagreed with.
(Editing by Catherine Evans)
Source: http://news.yahoo.com/imf-urges-britain-more-boost-growth-110254612.html
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The future of Motorola's smartphones are now falling into place, and we couldn't be more excited. Following the FCC certification of the XT1058 for AT&T, a similar test report for the XT1056 has just crossed our desk. This time around, the smartphone carries certification for LTE Band 25, which puts it as a dead ringer for a Sprint device. Regardless of whether this handset turns out to be the purported "X phone" is almost beside the point, because we already know that cross-carrier availability and stock Android are key to Motorola's future in the smartphone realm. There are a few worthwhile points to take away from the FCC certification of the XT1056, which suggest that this will be a very capable handset.
First and foremost, we're looking at a device that'll offer NFC, Bluetooth 4.0 LE+EDR and 802.11ac. In addition to support for Sprint's network, the phone also carries certification for HSPA+ 21 Mbps over the 2100, 1900 and 850MHz bands, although the documentation specifically states that it'll be SIM-locked for all US carriers. All in all, these are good signs of what's to come. Now, if only Motorola could get on with the reveal.
Filed under: Cellphones, Wireless, Mobile, Google
Source: FCC
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Potential buyers interested in Crown land can no longer purchase directly from the Canadian Ministry of Natural Resources. Instead, buyers must seek out Crown land at market value through local sellers. Crown land, like any other plot for purchase, is often advertised through standard channels such as print ads or online listings. Much of the Crown land for sale is held by leaseholders and is typically rented out for determined periods of time. There are also, however, auctions throughout Canada that allow the highest bidder to claim rights to Crown land of their choice.
Potential buyers can scope out the plots of land in person, as well as browse online photo galleries, descriptions and reports on the natural resources and other details to best gauge the land?s value. When a piece of land has been selected, buyers can contact the seller to determine how a purchase can be made based on owner preferences.
Process For Investing in Crown Land Real Estate
When applying to buy Crown land, consumers must obtain applications from the local government and research the respective province?s Crown land policies regarding the transfer of land ownership and associated fees. There are many resources available to buyers to aid in their decision-making and application processes such as the Integrated Cadastral Information Society, which offers spatial data for interested consumers. The Land Title Survey Authority is another helpful tool for registering land titles, or searching for titles, conservation covenants, riparian rights and other ownership information.
After paperwork has been completed, buyers must submit a one-time 5 percent Goods and Services Tax on the full purchase price of the Crown land. In British Columbia, however, there is also a 12 percent Harmonized Sales Tax, a 13 percent Harmonized Sales Tax in New Brunswick, Newfoundland and Ontario, and a 15 percent tax in Nova Scotia. Many Crown land sellers can help buyers submit these taxes at the point of purchase without charging additional fees.
There are also policies in place to protect potential buyers from maintaining land they do not want. Within two years of the date of original purchase, a buyer can exchange his or her property for another of equal or lesser value. If the property swap is a downgrade in Crown land value, the difference in price will be credited to the new purchase in the form of less interest and taxes. The only cost will be a $390 fee for administrative costs at the time of transfer.
Good luck investing in Canadian real estate!
Source: http://www.reiclub.com/realestateblog/best-practices-for-crown-land-purchases-for-canada-investors/
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One of the finest applications of solar photovoltaic panels is in powering drip irrigation systems for farmers in hot, sunny, poor parts of the world. You don?t even need to store the electricity. The pumping is mainly needed when the sun is shining.
To gauge the remarkable benefits of such systems, start with this peer-reviewed study of solar irrigation projects in Africa?s dry zone led by Jennifer Burney of the University of California, San Diego, and Stanford: ?Solar-powered drip irrigation enhances food security in the Sudano?Sahel.?
One of the challenges, as with many solar systems, is cost.
Now, Paul Polak, a veteran developer of simply designed products that can benefit the world?s poor?(particularly farmers), is trying to raise $50,000 using Indiegogo to produce what he and some volunteer engineers say?will be a 2,000-watt solar pumping system that is affordable for farmers who make $3 to $5 a day. (There are three weeks and around $35,000 to go.)
The initial focus is to establish something of a water hub in a village in India. As Polak explains, ?When two or more of these pumps are in the same vicinity it creates a micro-market for excess water, creating opportunity for the poorer farmers.?
There?s much more background on the proposal here and in this video:
I sent some background on the technology to Professor Burney and sent her questions to Polak. Read on for the discussion (I?ve cleaned up some e-mail shorthand):
Jennifer Burney:
This is fantastic to see. Paul Polak and Bob Yoder have been working for a while now on low-cost solar pumping and I?ve heard rumors of different designs / approaches over the years. It?s hard to know exactly what the design is based on the video and description? but I?m looking forward to finding out more?.
Again, not knowing any details, the biggest question mark for me is on well drilling costs and depth/flow limits.
(1) Borewells are really expensive (unless they?re through soft material and can be done by hand). I am very curious to know what they are exploring on that front
(2) Irrigating 1 hectare [just under 2.5 acres] in dry climates requires quite a bit of water, which means reasonably high flow rates, which?implies depth limits. I?d love to know what specifications they are designing for.
Paul Polak:
Jen raised some very good questions!
First of all, Jack Keller, who has written the classic texts on drip and sprinkler irrigation [some of his work is here] and who Jen probably also knows, is also an active participant in the design team.
The breakthrough in affordability is based on a total systems design approach, in which the cost of the photovoltaic electricity generation system is an important component. Many of the affordability breakthroughs are based on other parts of the system- the controller, the inverter, the motor, the pump, the water conveyance from the well to the crop, the water application system, the selection of high value diversified crops to be grown, and optimization of farmer production methods and access to market. For example, we can provide a drip irrigation system that costs $1,400 for one hectare, less than half the cost of conventional systems. Replacing earth channels by lay-flat hose and conventional surface irrigation by low cost drip at least doubles crop/drop efficiency. Fine tuning impellers to the exact vertical lift improves efficiency by as much as 40 percent.
This project is market driven. There are approximately 20 million diesel pumps producing irrigation water just in India now. Most of them are 5 horsepower with vertical lifts in the suction range. We are designing a radically affordable 2 kilowatt solar pumping system capable of drip irrigating one hectare of high value diversified off-season fruits, vegetables and spices at a retail price 80 percent lower than the existing price of $7,000 for an installed 2 kilowatt solar pumping system in India today. To irrigate 1 hectare (2.5 acres), Jack?s calculations assume we need to apply 5mm/day, which we will deliver through a low cost drip irrigation system. Since it is capable of irrigating 1 hectare of land, this system will be attractive for a very large population of farmers, first in India and then in other developing countries.
Since PV is costly, we start by lowering the cost of the PV system through the use of concentrators. The basic idea is that its cheaper to build flat plate mirrors with a simple tracking devices than it is to invest in larger solar panels. With an efficiency of about 70 percent in mirror-reflected light, our pilot tests with miniaturized models indicate we can obtain an output of about seven suns from 10 mirrors on which 10 suns of light fall when the sunlight is concentrated on a solar panel. This means that in full scale models, we should be able to get approximately 2000 watts output from a 300 watt panel on which 10 mirrors concentrate light.
The problem of overheating of the panels is addressed by attaching a simple water based heat exchanger to the back of the panel through which a small portion of the groundwater we are lifting is pumped. We are using flat plate mirrors because they are one-third the cost of parabolic mirrors, and because flat plate mirrors can be obtained just about anywhere comparatively cheaply in rural areas in developing countries.
This is an example of the options that are being considered. In the end each of the system components will be designed or selected to provide the most cost effective solution that optimizes total system performance to create attractive profit generating opportunities for farmers. The systems approach will minimize the energy required to accomplish what a conventional 5 horsepower diesel pump does. So we economize on the use of water by using low cost drip irrigation application systems, and creating breakthroughs in lowering filter friction, pipe friction, and pump energy losses through a system design approach in which each component contributes optimally to the efficiency and affordability of the total system.
Since our initial business strategy is to directly compete in the marketplace with installed 5 horsepower diesel pumpsets, we bypass the problem of drilling costs ? the farmers we will sell to initially already have tubewells that deliver the required amount of water. We also have a good deal of experience in affordable drilling of boreholes when in the future we start marketing to farmers ready to drill new wells. Fortunately in India there is already a lot of experience with low-cost drilling. Even wells with 4-inch casings suitable for engine pumps are being made at low cost. This is in the Himalayan outwash plain that covers much of eastern India. A large percentage of the 20+ million engine pump wells in operation in India were drilled manually and pump from shallow aquifers that are refilled each monsoon.
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PHILADELPHIA ? A former Philadelphia police officer once hailed as a hero and given a seat next to the first lady at a speech by President Obama has been arrested and charged with rape and other crimes.
Authorities allege that former officer Richard DeCoatsworth left a party with two females early Thursday and took them to another location, where they allege that he produced a handgun and "forced the two females to engage in the use of narcotics and sexual acts."
A police spokeswoman said the two called police after he left, and 27-year-old DeCoatsworth was later arrested. According to court records, DeCoatsworth was arraigned Saturday night on charges including rape, involuntary deviate sexual intercourse, trafficking of persons, false imprisonment and aggravated assault. His bail was set at $60 million.
DeCoatsworth was hailed as a hero after he was shot in the face during a traffic stop in September 2007 but still managed to chase after his attacker, who was later sentenced to 36 to 72 years in prison.
DeCoatsworth was invited by Vice President Joe Biden to attend the president's televised February 2009 address to Congress and sat with first lady Michelle Obama. He said he didn't know why he had been singled out, but being in the presence of the nation's leaders was an honor "that I will keep with me for the rest of my life."
WCAU-TV, which first reported his arrest, said DeCoatsworth retired from the department on disability in December 2011.
Police said no other information on the alleged attack would be released Saturday to protect the victims and the integrity of the ongoing investigation. Authorities declined to say give even general locations for the party and alleged crime scene and also wouldn't say when DeCoatsworth was arrested.
A listed number for DeCoatsworth has been disconnected and it was unclear whether he had an attorney.
Police Commissioner Charles Ramsey told a Philadelphia Daily News columnist in February of last year that he believed he had made a mistake in granting the former officer's request to go back to work too soon after he was shot.
"God bless him for still wanting to get out there and do police work, but did I act in his best interest? In hindsight, I would say probably not," Ramsey told columnist Sty Bykofsky.
Also on HuffPost:
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Source: http://www.huffingtonpost.com/2013/05/19/richard-decoatsworth-cop-hero-rape_n_3302163.html
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There's a new kid on the Arduino block, and it's called the Arduino Robot. Launched yesterday at Maker Faire Bay Area, it's the company's first product that extends beyond single microcontroller boards. The Roomba-like design, which we first saw in November 2011, is the result of a collaboration with Complubot. It consists of two circular boards, each equipped with Atmel's ubiquitous ATmega32u4 and connected via ribbon cable.
The bottom board is home to four AA batteries (NiMH), a pair of motors and wheels, a power connector and switch plus some infrared sensors. By default it's programmed to drive the motors and manage power. The top board faetures a color LCD, a microSD card slot, an EEPROM, a speaker, a compass, a knob plus some buttons and LEDs. It's programmed to control the display and handle I/O. Everything fits inside a space that's about 10cm high and 19cm in diameter.
Pre-soldered connectors and prototyping areas on each board make it easier to customize the robot platform with additional sensors and electronics. It even comes with eleven step-by-step projects and a helpful GUI right out of the box. The Arduino Robot is now on sale at the Maker Faire for $275 and will be available online in July. Take a look at our gallery below and watch our video interview with Arduino founder Massimo Banzi after the break.
Via: Make
Source: Arduino
Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/PLw_Ah8Kago/
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Source: http://feedproxy.google.com/~r/Techcrunch/~3/fnrODMCBWA4/
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May 20, 2013 ? A team of University of Pennsylvania engineers has used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action, opening the door to more sensitive infrared cameras and more compact chemical-analysis techniques.
The research was conducted by assistant professor Ertugrul Cubukcu and postdoctoral researcher Fei Yi, along with graduate students Hai Zhu and Jason C. Reed, all of the Department of Material Science and Engineering in Penn's School of Engineering and Applied Science.
It was published in the journal Nano Letters.
Detecting light in the mid-infrared range is important for applications like night-vision cameras, but it can also be used to do spectroscopy, a technique that involves scattering light over a substance to infer its chemical composition. Existing infrared detectors use cryogenically cooled semiconductors, or thermal detectors known as microbolometers, in which changes in electrical resistance can be correlated to temperatures. These techniques have their own advantages, but both need expensive, bulky equipment to be sensitive enough for spectroscopy applications.
"We set out to make an optomechanical thermal infrared detector," Cubukcu said. "Rather than changes in resistance, our detector works by connecting mechanical motion to changes in temperature."
The advantage to this approach is that it could reduce the footprint of an infrared sensing device to something that would fit on a disposable silicon chip. The researchers fabricated such a device in their study.
At the core of the device is a nanoscale structure -- about a tenth of a millimeter wide and five times as long -- made of a layer of gold bonded to a layer of silicon nitride. The researchers chose these materials because of their different thermal expansion coefficients, a parameter that determines how much a material will expand when heated. Because metals will naturally convert some energy from infrared light into heat, researchers can connect the amount the material expands to the amount of infrared light hitting it.
"A single layer would expand laterally, but our two layers are constrained because they're attached to one another," Cubukcu said. "The only way they can expand is in the third dimension. In this case, that means bending toward the gold side, since gold has the higher thermal expansion coefficient and will expand more."
To measure this movement, the researchers used a fiber interferometer. A fiber optic cable pointed upward at this system bounces light off the underside of the silicon nitride layer, enabling the researchers to determine how far the structure has bent upwards.
"We can tell how far the bottom layer has moved based on this reflected light," Cubukcu said. "We can even see displacements that are thousands of times smaller than a hydrogen atom."
Other researchers have developed optomechanical infrared sensors based on this principle, but their sensitivities have been comparatively low. The Penn team's device is an improvement in this regard due to the inclusion of "slot" nanoantennas, cavities that are etched into the gold layer at intervals that correspond to wavelengths of mid-infrared light.
"The infrared radiation is concentrated into the slots, so you don't need any additional material to make these antennas," Cubukcu said. "We take the same exact platform and, by patterning it with these nanoscale antennas, the conversion efficiency of the detector improves 10 times."
The inclusion of nanoantennas provides the device with an additional advantage: the ability to tailor which type of light it is sensitive to by etching a different pattern of slots on the surface.
"Other techniques can only work at the maximum absorption determined by the material itself," Yi said. "Our antennas can be engineered to absorb at any wavelength."
While only a proof-of-concept at this stage, future research will demonstrate the device's capabilities as a low-cost way of analyzing individual proteins and gas molecules.
The research was supported by the National Science Foundation, Penn's Materials Research Science and Engineering Center, Penn's Nano/Bio Interface Center and the Penn Regional Nanotechnology Facility.
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By Sharon Begley
NEW YORK | Thu May 16, 2013 12:31pm EDT
NEW YORK (Reuters) - After more than 15 years of failures by scientists around the world and one outright fraud, biologists have finally created human stem cells by the same technique that produced Dolly the cloned sheep in 1996: They transplanted genetic material from an adult cell into an egg whose own DNA had been removed.
The result is a harvest of human embryonic stem cells, the seemingly magic cells capable of morphing into any of the 200-plus kinds that make up a person.
The feat, reported on Wednesday in the journal Cell, could re-ignite the field of stem-cell medicine, which has been hobbled by technical challenges as well as ethical issues.
Until now, the most natural sources of human stem cells have been human embryos, whose use in research poses ethical quandaries. The technique announced on Wednesday, by scientists at Oregon Health & Science University and the Oregon National Primate Research Center, uses unfertilized human eggs.
Eliminating the need for human embryos could boost attempts to use stem cells and their progeny to replace cells damaged or destroyed in heart disease, Parkinson's disease, multiple sclerosis, spinal cord injuries and other devastating conditions.
But the achievement could also revive fears of reproductive cloning, or producing genetic copies of living (or dead) individuals.
Even before the study was published, a British watchdog group called Human Genetics Alert protested the research.
"Scientists have finally delivered the baby that would-be human cloners have been waiting for: a method for reliably creating cloned human embryos," said Dr. David King, the group's director. "This makes it imperative that we create an international legal ban on human cloning before any more research like this takes place. It is irresponsible in the extreme to have published this research."
Among scientists, however, the accomplishment is being hailed as "a tour de force," as stem cell biologist George Daley of the Harvard Stem Cell Institute put it. "This represents an unparalleled achievement. They succeeded where many other groups failed, including mine."
The highest-profile failure was that of biologist Hwang Woo-suk of Seoul National University in South Korea. In 2005 he and his team made headlines across the globe when they claimed, in the journal Science, that they had created human embryonic stem cells via nuclear transfer, the same technique the Oregon scientists used. Hwang's claim turned out to be a lie, making it one of the most infamous cases of scientific fraud in the last decade.
DOLLY THE SHEEP
If the Oregon achievement holds up and can be replicated by scientists in other labs, it would offer a third, and potentially superior, way of producing embryonic stem cells.
The field of stem cells took off in 1998, when scientists led by Jamie Thomson at the University of Wisconsin announced that they had harvested the cells from days-old human embryos, called blastocysts, obtained from fertility clinics.
The fact that the blastocysts are destroyed when their stem cells are removed ignited a furor from groups that believe life begins at conception. In 2001, President George W. Bush banned federal funding for research that would create more blastocysts, but stem cells already produced from them were fair game.
Those cell lines turned out to be fewer and of poorer quality than scientists had hoped. The next breakthrough came in 2007, when Shinya Yamanaka of Kyoto University produced human embryonic stem cells in a way that did not require eggs or embryos. He added four genes to adult cells, and the result was like turning back the calendar: The adult cells, which he called induced pluripotent (iPS) cells, showed all the properties of embryonic stem cells, an achievement for which Yamanaka shared last year's Nobel prize in medicine.
"The whole scientific community jumped on the iPS bandwagon," said Dr. Robert Lanza, chief scientific officer of Advanced Cell Technology.
That turned attention away from a third technique for producing embryonic stem cells: the method that created Dolly the sheep in 1996. Scientists in Scotland had started with a sheep oocyte (egg), removed its DNA and replaced it with DNA from a sheep mammary gland cell. They zapped the egg with electricity to make it grow and divide like a fertilized embryo. No sperm were necessary.
This technique is called somatic cell nuclear transfer (SCNT). If the embryo is implanted inside a surrogate mother, as the Dolly team did, the result is reproductive cloning, which has also been done for mice, cows and other animals. But if embryonic development is halted after five days or so, the result is stem cells genetically identical to the donor's - and thus custom-made for therapies to treat degenerative diseases without fear of rejection by the patient's immune system.
The Oregon scientists, led by Shoukhrat Mitalipov, used a variation of the Dolly technique. They carefully inserted an adult skin cell into a donated human egg whose DNA had been removed. The unfertilized eggs, stimulated by electric pulses to start dividing, developed to about the 150-cell stage.
The cells were all true embryonic stem cells; they have the "ability to convert just like normal embryonic stem cells, into several different cell types, including nerve cells, liver cells and heart cells," said Mitalipov. "While there is much work to be done in developing safe and effective stem cell treatments, we believe this is a significant step forward in developing the cells that could be used in regenerative medicine."
ODD EGGS
In succeeding with humans, the Oregon team toppled the dogma that there is something odd about human eggs or embryos, said stem cell expert Rudolf Jaenisch of the Whitehead Institute and Massachusetts Institute of Technology: "Published data said there was a difference in principle between humans and the mice and other animals that had been cloned, a difference that presented an insurmountable barrier to human cloning" for either reproduction or stem cells.
The Oregon team figured out how to get the egg to act as if it had been fertilized. The secret was to keep the eggs in the phase of their growth cycle called "metaphase," which is when DNA aligns in the middle of the cell before the cell divides. The scientists got the best results when they grew the eggs in a little of a substance that tends to be abundant in labs: caffeine.
When conducting the same experiment with monkeys, the Oregon scientists stopped at the production of stem cells and never implanted the ball of cells into a surrogate mother. Mitalipov said reproductive cloning is "not our focus, nor do we believe our findings might be used by others" to do it with humans.
"Reproductive cloning hasn't been advanced by this new paper," agreed MIT's Jaenisch. "If you implanted these embryos, which would be illegal, I think you would get the same results as in mice: Most of them die at birth, and the others encounter big troubles as they age."
STEM CELL FACE-OFF
Now the question is whether embryonic stem cells produced with the Dolly method would be superior to those created with the turn-back-the-calendar iPS method.
Scientists have already found that iPS cells tend to age prematurely and die. They are also created with cancer-causing genes, which could make them dangerous to use therapeutically.
Another possible advantage of the embryonic stem cells produced by the Dolly method: It takes just days, compared with weeks for iPS cells.
"If you have a patient who needs, that can be an important difference," said Natalie DeWitt of the California Institute for Regenerative Medicine.
On the other hand, the human eggs needed for the Dolly technique are in short supply and hard to obtain, notes MIT's Jaenisch. (The Oregon team paid the women who donated eggs for their time and "discomfort.") Although the Oregon team coaxed stem cells out of every egg they collected from one of the women, other labs might not be so efficient.
If the Dolly technique becomes a reliable source of embryonic stem cells, it might accelerate clinical trials of the cells, which have been slow to get going and disappointing.
In 2011, for instance, biotechnology firm Geron halted a clinical trial that used embryonic stem cells to repair spinal cord injuries and said it was leaving the field.
The most promising human study is ACT's. It is two years into clinical trials using stem cells derived from human embryos to treat two forms of blindness, including macular degeneration, with encouraging results. One patient's vision went from 20/400 to 20/40, said Lanza.
(Reporting by Sharon Begley; Editing by Michele Gershberg and Douglas Royalty)
Source: http://feeds.reuters.com/~r/reuters/scienceNews/~3/AY1nttRx9pc/story01.htm
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May 16, 2013 ? U of T Engineering researchers, working with colleagues from Carnegie Mellon University, have published new insights into how materials transfer heat, which could lead eventually to smaller, more powerful electronic devices.
Integrated circuits and other electronic parts have been shrinking in size and growing in complexity and power for decades. But as circuits get smaller, it becomes more difficult to dissipate waste heat. For further advances to be made in electronics, researchers and industry need to find ways of tracking heat transfer in products ranging from smart phones to computers to solar cells.
Dan Sellan and Professor Cristina Amon, of U of T's Mechanical and Industrial Engineering department, investigated a new tool to measure the thermal and vibrational properties of solids. Working with colleagues from Carnegie Mellon University, they studied materials in which heat is transferred by atomic vibrations in packets called phonons. Their results were recently published in Nature Communications.
"In an analogy to light, phonons come in a spectrum of colors, and we have developed a new tool to measure how different color phonons contribute to the thermal conductivity of solids," said Jonathan Malen, an assistant professor of Mechanical Engineering at CMU.
According to the researchers, the new tool will give both industry and academia a clearer picture of how an electronic device's ability to dissipate heat shrinks with its size, and how materials can be structured at the nanoscale to change their thermal conductivity.
For example, in the initial demonstration, the team showed that as silicon microprocessors continue to shrink, their operating temperatures will be further challenged by reduced thermal conductivity.
"Our modeling work provides an in-depth look at how individual phonons impact thermal conductivity," said Sellan, who undertook his research as a PhD Candidate in Professor Amon's lab. Currently an NSERC Postdoctoral Fellow at The University of Texas at Austin, Sellan is developing experimental techniques for thermal measurements.
Professor Amon, who is also Dean of the Faculty of Applied Science & Engineering at U of T, said Sellan's insights will allow researchers to design nanostructured thermoelectric materials with increased efficiency in converting waste heat to electrical energy. This work has exciting implications for the future of nano-scale thermal conductivity research."
It looks like you'll soon be seeing more comments from app makers on Google Play. According to a post on the Android Developers Blog today, all developers can now reply to user reviews via the Google Play Developer Console, with responses showing up publicly below the user's original comment. The feature had previously been in trial mode, and devs have reportedly enjoyed a stronger relationship with their users -- not to mention a surefire system for discovering bugs and other app glitches. Hit up the source link for more info.
Source: Android Developers Blog
Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/3Pvj-YgvIq0/
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File photo of lottery ticket (Thinkstock)
A single mother of four sons accidentally purchased an extra lottery ticket. Another dollar down the drain? Nope.
Thuan Le told NBCLosAngeles.com that she normally she buys $4 worth of Powerball tickets and one $1 SuperLotto Plus ticket.
This time, Le accidentally put an extra buck into the self-service machine, purchasing another SuperLotto Plus ticket.
It was?no doubt?the smartest mistake she ever made. NBCLosAngeles.com reports that Le plans to use the $14 million windfall to buy a home, travel and visit relatives in Vietnam.
One of her sons told Lotto officials that he and others thought Le was joking after she called to tell them the good news, according to ABC News.
"We thought she was joking," her son said, "but we thought, would she really joke like this? My older brother said, 'Yes, she would.'"
Le?s (very) lucky numbers were 5, 33, 25, 46 and 32. The Mega number was 26.
According to the California Lottery's official site, the odds of getting all five numbers and the Mega bonus number on the SuperLotto Plus are 1 in 41,416,353.
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On Wednesday at 4 p.m. ET, Wayne, Birdman and more join 'RapFix Live' on MTV Jams and RapFix.MTV.com.
By Nadeska Alexis
Source: http://www.mtv.com/news/articles/1706848/lil-wayne-ymcmb-rapfix-live-stream.jhtml
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By Yantoultra Ngui and Siva Sithraputhran
KUALA LUMPUR (Reuters) - Malaysia's governing coalition won a tight national election on Sunday to extend its 56-year rule, fending off an opposition alliance that pledged to clean up politics and end race-based policies in Southeast Asia's third-largest economy.
As counting went late into the night, the fractious multiracial opposition proved unable to unseat one of the world's longest-serving governments and pull off what would have been the biggest election upset in Malaysia's history.
The ruling Barisan Nasional (BN), or National Front, passed 112 seats, giving it a simple majority in the 222-seat national parliament. The opposition alliance had 60 seats.
With more than two-thirds of seat results confirmed, it remained to be seen if Prime Minister Najib Razak would receive a strong enough mandate to continue gradual reforms aimed at boosting investment and easing authoritarian laws.
He is under pressure to improve on the coalition's worst-ever result, recorded at the last election in 2008 when it won 140 seats and lost its customary two-thirds parliamentary majority. Failure to do so could weaken his leadership, unnerving investors and raising uncertainty over policy in the multi-ethnic nation of 28 million people.
"I hope the opposition accepts the result with an open heart and will allow the democratic process to continue," Najib told a news conference.
The opposition retained economically important Penang state as its leader Anwar Ibrahim sought to build on stunning gains in 2008, when it took over four state governments and deprived the BN of its two-thirds parliamentary majority.
It also claimed to have retained the crucial industrial state of Selangor, which Najib had vowed to win back, although that could not be confirmed with election officials.
The ruling coalition had been expected to win, but opinion polls showed a tightening race with Najib struggling to translate strong economic growth and a deluge of social handouts into votes.
The possibility of a disputed result loomed large amid opposition claims of widespread election fraud. Before most votes were counted, Anwar declared victory in a surprise statement that appeared to be a tactic to whip up support.
"PR has won," Anwar wrote on his Twitter account, urging the ruling party and the country's Election Commission "not to attempt to hijack the results".
Election officials said voter turnout was about 80 percent, a record high.
The campaign heated up in recent days with Anwar accusing the coalition of flying up to 40,000 "dubious" voters, including foreigners, across the country to vote in close races. The government says it was merely helping voters get to home towns.
The 2008 result signaled a breakdown in traditional politics as minority ethnic Chinese and ethnic Indians, as well as many majority Malays, rejected the National Front's brand of race-based patronage that has ensured stability but led to corruption and widening inequality.
Partial results from Sunday's election suggested that the trend of ethnic Chinese deserting the BN had accelerated, with the opposition Chinese party chalking up significant seat gains in the BN stronghold of southern Johor state.
(Additional reporting by the Reuters Kuala Lumpur bureau; Writing by Stuart Grudgings and Niluksi Koswanage; Editing by Jason Szep and Raju Gopalakrishnan)
Source: http://news.yahoo.com/ruling-coalition-faces-fight-life-malaysian-vote-022019174.html
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Two area runners recorded personal bests and claimed medals in 3,200-meter run competitions Friday at the Georgia High School Association?s boys track and field state meets.
For one, it capped a strong high school career. For the other, it is a promising sign of what next season might bring.
North Murray senior Isaac Pacheco placed seventh in the Class 3A race ? all of the GHSA?s classifications are competing at Memorial Stadium in Jefferson ? with a time of 9 minutes, 49.21 seconds as he won the fifth state medal of his career.
Murray County junior Servio Martinez took sixth in the Class 2A race with a time of 10:26.96. The race was won by Westminster?s Jordan Flowers (9:47.96), who finished ahead of Heard County?s Orlando Burgos (9:48.64). Rounding out the medal field were Chattooga?s Damian Porter (10:07.89), Westminster?s Harry O?Connor (10:13.83), Greater Atlanta Christian?s Miller Kettle (10:17.33), Martinez, Jordan?s Nigel Dixon (10:27.16) and Dade County?s Tim Murphy (10:30).
Murray County coach Sam Young said it has ?been a while? since the program claimed a state medal, and that while it is the first medal for Martinez, it?s ?hopefully not his last.?
?He ran a very, very smart race. He beat his personal best by 20 seconds,? Young said. ?... He actually hit a slump ? kind of like a batter does ? and his times were going in the wrong direction about midseason. I think he just took on a different attitude about what he needed to do and started working harder. Part of this whole thing is mental, and by taking on that different mental attitude, he proved himself.?
In the 3A race, Austin Sprague of St. Pius X won in 9:24.57 to outpace North Hall?s Witt Nix (9:30.34). The medal field was rounded out by Andrew Anastasiades of St. Pius X (9:31.54), Blessed Trinity?s Matt Munns (9:36.87), North Oconee?s Cole Thornton (9:46.24), Blessed Trinity?s Patrick O?Grady (9:48.33), Pacheco and Pike County?s Caleb Teachout (9:55.73).
Pacheco?s medal performance came one day after he took seventh in the 1,600 with a personal best of 4:30.19, where his previous mark was 4:31.00. His previous best in the 3,200 was 9:53.00.
The Daily Citizen?s All-Area Boys Cross Country Runner of the Year the past two seasons, Pacheco took fifth in the Class 2A 1,600 as a junior. He was fourth in the Class 2A 3,200 in 2012 and was fifth in the same event as a sophomore.
Pacheco will be part of the first cross country team at Dalton State College when it begins competition this summer.
?He?s had a very successful high school career,? North Murray coach Andrea Linsley said. ?You?ll never find another kid his age that dedicated to running and getting better.?
Northwest Whitfield senior Brody Cook finished 15th in the Class 4A 3,200, turning in a time of 10:39.37. Marist?s Daniel Navarro won the race in 9:21.70.
Northwest also had three entries in Class 4A track preliminaries Friday but did not advance to today?s finals in any of those events, meaning the area?s time at this year?s state meets has ended.
In the 100, Jonathan Willman?s time was 11th out of 15 runners. His 11.41 was seventh in his eight-runner heat, which was won by Mary Persons? Nick Davis at 11.06. The slowest qualifying time for the event was 11.32.
Willman was also part of the Bruins? 4x100 relay entry ? the other team members were Blake Heard, Jamon Horne and Jalen Lockett ? that clocked a 43.45, which was sixth in the faster of two heats but outside of the eight fastest times overall. Fayette County?s team won Northwest?s heat with a 42.49, while the slowest qualifying time for the relay was 43.29.
In the 300 hurdles, Alex Reynolds? time of 42.11 was fifth in the slower of two heats and 13th among 16 runners overall. Reynolds? heat was won by Sandy Creek?s Solomon Bolds at 39.15, and the slowest qualifying time was 40.16.
The GHSA?s girls state meets are Thursday through Saturday at Hugh Mills Stadium in Albany. All six local track and field programs will be represented in that competition.
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Source: http://4thgc.com/these-search-engine-optimization-tips-will-make-your-site-more-popular/