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Seeing the birth of the universe in an atom of hydrogen

Seeing the birth of the universe in an atom of hydrogen
2012-09-06
Windows to the past, stars can unveil the history of our universe, currently estimated to be 14 billion years old. The farther away the star, the older it is — and the oldest stars are the most difficult to detect. Current telescopes can only see galaxies about 700 million years old, and only when the galaxy is unusually large or as the result of a big event like a stellar explosion. Now, an international team of scientists led by researchers at Tel Aviv University have developed a method for detecting galaxies of stars that formed when the universe was in its infancy, ...

Genome-wide scan maps mutations in deadly lung cancers; reveals embryonic gene link

2012-09-06
Scientists have completed a comprehensive map of genetic mutations linked to an aggressive and lethal type of lung cancer. Among the errors found in small cell lung cancers, the team of scientists, including those at the Johns Hopkins Kimmel Cancer Center, found an alteration in a gene called SOX2 associated with early embryonic development. "Small cell lung cancers are very aggressive. Most are found late, when the cancer has spread and typical survival is less than a year after diagnosis," says Charles Rudin, M.D., Ph.D., professor of oncology at the Johns Hopkins ...

Hospital-acquired UTIs rarely reported in data used to implement penalties

Hospital-acquired UTIs rarely reported in data used to implement penalties
2012-09-06
ANN ARBOR, Mich. — Aiming to cut expenses and improve care, a 2008 Medicare policy stopped paying hospitals extra to treat some preventable, hospital-acquired conditions – including urinary tract infections (UTIs) in patients after bladder catheters are placed. But a statewide analysis by the University of Michigan shows there was very little change in hospital payment due to removing pay for hospital-acquired catheter-associated UTIs. For all adult hospital stays in Michigan in 2009, eliminating payment for this infection decreased hospital pay for only 25 hospital ...

LEDs winning light race to save energy, the environment

LEDs winning light race to save energy, the environment
2012-09-06
RICHLAND, Wash. – Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps. And that gap is expected to grow significantly as technology and manufacturing methods improve in the next five years, according to a new report from the Department of Energy's Pacific Northwest National Laboratory and UK-based N14 Energy Limited. "The light-emitting diode lamp is a rapidly evolving technology that, while already energy efficient, will become even more so in just a few short years," said Marc Ledbetter, who manages PNNL's solid-state ...

Exceptional upward mobility in the US is a myth, international studies show

2012-09-06
ANN ARBOR, Mich.—The rhetoric is relentless: America is a place of unparalleled opportunity, where hard work and determination can propel a child out of humble beginnings into the White House, or at least a mansion on a hill. But the reality is very different, according to a University of Michigan researcher who is studying inequality across generations around the world. "Especially in the United States, people underestimate the extent to which your destiny is linked to your background. Research shows that it's really a myth that the U.S. is a land of exceptional social ...

Wildlife Conservation Society releases list of Asian species at the conservation crossroads

Wildlife Conservation Society releases list of Asian species at the conservation crossroads
2012-09-06
JEJU, SOUTH KOREA (September 5, 2012) — Will the tiger go the way of the passenger pigeon or be saved from extinction like the American bison? The Wildlife Conservation Society (WCS) today released a list of Asian species that are at a conservation crossroads calling for governments to take immediate action with The Three R's Approach: Recognition, Responsibility, Recovery. The list includes: the tiger, orangutans, Mekong giant catfish, Asian rhinos, Asian giant river turtles, and Asian vultures. The announcement was made at the IUCN's World Conservation Congress convening ...

Guys, take note: Male birth control pill may be ready soon, says Texas A&M professor

2012-09-06
Attention men: The day may be coming soon when you can take your own birth control pill with no side effects, according to a study done by a group of scientists that includes a Texas A&M University researcher. Qinglei Li, an assistant professor in Texas A&M's College of Veterinary Medicine & Biomedical Sciences, is part of a team of researchers led by Martin Matzuk at Baylor College of Medicine and James Bradner at Dana-Farber Cancer Institute who made the discovery, and their work is published in the journal Cell. Working on mice, the team found that a compound called ...

Major advances in understanding the regulation and organization of the human genome

2012-09-06
The National Human Genome Research Institute today announced the results of a five-year international study of the regulation and organization of the human genome. The project is named ENCODE, which stands for the Encyclopedia of DNA Elements. In conjunction with the release of those results, the Journal of Biological Chemistry has published a series of reviews that focus on several aspects of the findings. "The ENCODE project not only generated an enormous body of data about our genome, but it also analyzed many issues to better understand how the genome functions in ...

Dinosaur die-out might have been second of 2 closely timed extinctions

Dinosaur die-out might have been second of 2 closely timed extinctions
2012-09-06
The most-studied mass extinction in Earth history happened 65 million years ago and is widely thought to have wiped out the dinosaurs. New University of Washington research indicates that a separate extinction came shortly before that, triggered by volcanic eruptions that warmed the planet and killed life on the ocean floor. The well-known second event is believed to have been triggered by an asteroid at least 6 miles in diameter slamming into Mexico's Yucatán Peninsula. But new evidence shows that by the time of the asteroid impact, life on the seafloor – mostly species ...

Social exclusion on the playground

2012-09-06
Montreal, September 5, 2012 – Being the last one picked for the team, getting left out of the clique of cool girls, having no one to sit with at lunch… For children, social exclusion can impact everything from emotional well being to academic achievements. But what does it mean for the kids doing the excluding? Is the cure a one-size-fits-all approach that requires kids to include others, regardless of the situation at hand? Not necessarily, says new research from a professor now at Concordia University. Unlike previous studies where researchers created hypothetical ...

Researchers identify biochemical functions for most of the human genome

2012-09-06
CAMBRIDGE, MA -- Only about 1 percent of the human genome contains gene regions that code for proteins, raising the question of what the rest of the DNA is doing. Scientists have now begun to discover the answer: About 80 percent of the genome is biochemically active, and likely involved in regulating the expression of nearby genes, according to a study from a large international team of researchers. The consortium, known as ENCODE (which stands for "Encyclopedia of DNA Elements"), includes hundreds of scientists from several dozen labs around the world. Using genetic ...

NASA sees Tropical Storm Leslie was causing a problem for itself

NASA sees Tropical Storm Leslie was causing a problem for itself
2012-09-06
Infrared data from NASA's Aqua satellite shows that Tropical Storm Leslie has been causing problems for itself. Tropical Storm Leslie has been on a slow track in the Atlantic, and because of that, the storm is kicking up cooler waters from below the ocean surface. Those cooler waters were seen in infrared imagery on Sept. 5 at 0611 UTC (2:11 a.m. EDT) taken by the Atmospheric Infrared Sounder (AIRS) instrument that flies aboard NASA's Aqua satellite. The cooler waters are responsible for Leslie's slow strengthening. Sea surface temperatures need to be at least as warm ...

NASA sees fading post-Tropical Cyclone John's warmer cloud tops

NASA sees fading post-Tropical Cyclone Johns warmer cloud tops
2012-09-06
Post-tropical cyclone John has been "flushed" out of existence in the eastern Pacific Ocean, and infrared NASA imagery revealed warmer cloud top temperatures and virtually no precipitation from John's remnants on Sept. 4. When NASA's Aqua satellite flew over post-tropical storm John on Sept. 4 at 21:23 UTC (5:23 p.m. EDT) the Atmospheric Infrared Sounder (AIRS) instrument revealed that cloud top temperatures in the storm had warmed over the previous 24 hours. AIRS data also showed there was one very tiny area of convection (rising air that forms the thunderstorms that ...

Alternatives to Medicare's fee-for-service payment system examined

2012-09-06
For years policymakers have attempted to replace Medicare's fee-for- service payment system with approaches that pay one price for an aggregation of services. The intent has been to reward providers for offering needed care in the most appropriate and cost-effective manner. But many of these programs have known pitfalls, says Stuart Altman, an economist and the Sol C. Chaikin Professor of National Health Policy at the Heller School for Social Policy and Management, Brandeis University. On Friday, Sept. 7, Altman and his Heller school colleague Robert Mechanic, will ...

NASA imagery reveals strength in Tropical Storm Michael's 'arm'

NASA imagery reveals strength in Tropical Storm Michaels arm
2012-09-06
NASA's Aqua satellite shows that tiny Tropical Storm Michael had some strong thunderstorms wrapped around its center and in a band of thunderstorms in its northeastern "arm" or quadrant. The Atmospheric Infrared Sounder (AIRS) instrument that flies aboard NASA's Aqua satellite captured in infrared image of Tropical Storm Michael on Sept. 5 at 0611 UTC (2:11 a.m. EDT) and noticed the strongest thunderstorms and coldest cloud top temperatures around the center of circulation and in a band of thunderstorms to the northeast of Michael's center. Those cloud top temperatures ...

Popular kids in US and Mexico more likely to smoke, USC studies show

2012-09-06
Be warned, popularity may cause lung cancer, heart disease, and emphysema. New research from the University of Southern California (USC) and University of Texas finds that popular students in seven Southern California high schools are more likely to smoke cigarettes than their less popular counterparts. The study, which appears online this week in the Journal of Adolescent Health, confirms trends observed in previous USC-led studies of students in the sixth through 12th grades across the United States and in Mexico. "That we're still seeing this association more ...

Bright life on the ocean bed: Predators may even color code food

2012-09-06
Sinking through the inky ocean, it would seem that there is little light at depth: but you'd be wrong. 'In the mesopelagic realm [200 m] bioluminescence [light produced by animals] is very common', says Sönke Johnsen from Duke University, USA, explaining that many creatures are capable of producing light, yet rarely do so. But how much light do the inhabitants of the ocean floor (benthos) generate? Explaining that some bioluminescence is generated when organisms collide, Johnsen says, 'In the benthos you have a current moving over complicated ground with all the things ...

Deep-sea crabs grab grub using UV vision

2012-09-06
DURHAM, N.C. -- Crabs living half-a-mile down in the ocean, beyond the reach of sunlight, have a sort of color vision combining sensitivity to blue and ultraviolet light. Their detection of shorter wavelengths may give the crabs a way to ensure they grab food, not poison. "Call it color-coding your food," said Duke biologist Sönke Johnsen. He explained that the animals might be using their ultraviolet and blue-light sensitivity to "sort out the likely toxic corals they're sitting on, which glow, or bioluminesce, blue-green and green, from the plankton they eat, which ...

Minimally invasive surgery works well for abdominal aortic aneurysms, Mayo finds

2012-09-06
ROCHESTER, Minn. -- A minimally invasive procedure known as endovascular repair used for abdominal aortic aneurysms has a low rate of complications, even in high-risk patients such as those with kidney, heart or lung problems, a Mayo Clinic study shows. Researchers found that even when aneurysms ruptured, endovascular repair had lower mortality rates than open-abdominal surgery, the other treatment option. The findings are being presented at the Midwestern Vascular Surgical Society Annual Meeting, Sept. 6-8, in Milwaukee, Wis. An abdominal aortic aneurysm is a weakened ...

Bacteria on marine sponges can develop capacity to move and inhibit biofilm formation

Bacteria on marine sponges can develop capacity to move and inhibit biofilm formation
2012-09-06
BALTIMORE, MD (September 6, 2012)—A new study shows that when enough bacteria get together in one place, they can make a collective decision to grow an appendage and swim away. This type of behavior has been seen for the first time in marine sponges, and could lead to an understanding of how to break up harmful bacterial biofilms, such as plaque on teeth or those found on internal medical devices like artificial heart valves. Bacteria have ways of communicating with each other, and scientists have now identified a new signaling system that, when there is a critical mass ...

Moffitt Cancer Center researchers find acidic pH microenvironments in tumors aid tumor cell survival

2012-09-06
Researchers at Moffitt Cancer Center and colleagues at the University of South Florida and Wayne State University have discovered that tumor cell survival relies on adaptation to acidic conditions in the tumor microenvironment. Their research investigating the effects of acidity on breast and pancreatic cancer cell lines revealed the importance of autophagy in acidic microenvironments and suggests that a successful treatment strategy might be based on this autophagic dependence. The study appears as the cover story for the Aug. 15 issue of Cancer Research, a publication ...

Positive American Youth, Inc. Announces 5th ANNUAL "PAY DAY" 2012 For Kids

2012-09-06
Positive American Youth, Inc. (P.A.Y. USA), chaired by Atlanta radio personality Maurice "Reec" Swiney announces the 2012 5th Annual PAY USA "PAY DAY". The yearly event which benefits metro Atlanta children & their families will be held, Saturday Sept. 29th @ Atlanta Metro College. The fun begins at 11 am and lasts until 4 pm. The purpose of the "PAY DAY" event is to promote the importance of education, healthcare, community involvement, and perseverance to urban children. "We are proud to say last years' event was very successful," ...

Crime Victims First Announces the 3rd Annual Jam for Justice "No Violence Day"

2012-09-06
Crime Victims First (www.crimevictimsfirst.org) proclaims October 21, 2012 a "No Violence Day," and announces our 3rd Annual Jam for Justice Music Festival (www.jam4justice.org). This is our annual event to increase awareness and to offer a family event to celebrate all that our community does on behalf of crime victims. The event is free. The Keynote Speaker is Meg Garvin, Executive Director at the National Crime Victim Law Institute. Meg is also our 2012 Outstanding Community Service Award Winner. The music festival features Quenby and the West of Wayland Band ...

Language Learning Startup Launches in Austin, TX

2012-09-06
Lingoo, the latest tech startup to launch in the Silicon Hills (a.k.a. Austin and San Antonio, TX), is offering a free Spanish lesson to anyone willing to give their product a try. Their model is simple: one-on-one Spanish lessons from your very own private tutor over videochat. Because your tutor is in a foreign country, you not only learn the local dialect, culture, and pronunciation, but also save heaps of money as compared to an at-home private tutor. Spanish lessons can be on a recurring basis, or can be purchased as a package, and lessons can be rescheduled or ...

DreamQuest Games' Announces 'Like and Save' Promotion

2012-09-06
DreamQuest Gamesis offering a discount on their best-selling game, Championship Spades, for a limited time. The discount will be cumulative and depend on the number of Facebook likes the game receives. In other words, when the game reaches 14 likes, the game will be 14% off. When the game reaches 86 likes, the game will be 86% off. If the game reaches 100 or more likes, the game will be free until the end of the promotion. To take advantage of this promotion, shoppers must enter the coupon code 'like_spades' at checkout. While they don't have to 'like'Championship Spades ...
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