» Electrical engineers build \'no-waste\' laser
09/02/12 22:33 from ScienceDaily Headlines
Researchers have built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, \"thresholdless\" laser that funnels all its photons into lasing, without any waste.
» \'Dark plasmons\' transmit energy
09/02/12 22:29 from ScienceDaily Headlines
Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via \"dark plasmons,\" according to researchers.
» Substance P causes seizures in patients infected by pork tapeworm
09/02/12 22:28 from ScienceDaily Headlines
A neuropeptide called Substance P is the cause of seizures in patients with brains infected by the pork tapeworm.
» This Week in Science
09/02/12 21:53 from Science: Current Issue
Wrapped DNA | Spring Bloom | Earthquakes from Above | Edging In on MoS2 | Challenging the Mushroom Bodies | Maintaining Equilibrium | Too Much Tolerance? | Be My Guests | Ties That Bind | Close-Up of DNA Methylation | Before Tohoku-Oki | Ke..
» Editors\' Choice
09/02/12 21:53 from Science: Current Issue
Immunology: Energy to Burn | Applied Physics: Magnetized at the Interface | Genetics: Mom\'s in Charge | Materials Science: A Model for Aging | Evolution: Getting from One to Two | Biomedicine: All Eyes on Epigenetics | Chemistry: Polymer, H..
» Findings
09/02/12 21:53 from Science: Current Issue
Study Fails to Find Arsenic in Microbial DNA | Telltale Isotopes Hint at North Korea Weapons Test | New Malaria Death Toll Disputed
» [Editorial] The Endangered Bond
09/02/12 21:53 from Science: Current Issue
Author: Gottfried Schatz
» [News of the Week] Around the World
09/02/12 21:53 from Science: Current Issue
In science news around the world this week, a senator is questioning the FDA about its actions in response to a lawsuit brought by whistleblowers, an Indiana creationism bill is unlikely to advance, Russian space scientists may build a new ..
» [News of the Week] Random Sample
09/02/12 21:53 from Science: Current Issue
From 20 to 22 April, the winners of GE\'s 2011 IN Cell Analyzer Image Competition will appear on NBC Universal\'s high-definition screen of Times Square in New York City. On 2 February, scientists at the Paranal Observatory in Chile for the f..
» [News & Analysis] France: €22 Billion Stimulus Brings Worries About Egalité
09/02/12 21:53 from Science: Current Issue
On 3 February, French Prime Minister Francois Fillon announced five new winners in the €7.7 billion Excellence Initiatives, which aims to help create a group of five to 10 world-class research and higher education clusters. Author: B..
» [News & Analysis] Personalized Medicine: New Cystic Fibrosis Drug Offers Hope, at a Price
09/02/12 21:53 from Science: Current Issue
The new cystic fibrosis drug Kalydeco illustrates both the promise and peril of personalized medicine: It is extremely expensive and helps only 4% of people with the disease, or 1200 patients. Author: Jocelyn Kaiser
» [News & Analysis] Paleontology: More Than One Way for Invaders to Wreak Havoc
09/02/12 21:53 from Science: Current Issue
A new paper published in the January issue of GSA Today holds invasions responsible for the failure to speciate in some marine animal groups in the Devonian period 380 million years ago. Author: Richard A. Kerr
» [News & Analysis] Eastern Europe: High Hopes for Croatia\'s \'Warm Spring Harbor\' Remain Unfulfilled
09/02/12 21:53 from Science: Current Issue
What was supposed to be a rising star in Eastern European science, the Mediterranean Institute for Life Sciences in Split, is mired in controversy and appears to be on the brink of collapse. Author: Mico Tatalovic
» [News Focus] Indoor Ecosystems
09/02/12 21:53 from Science: Current Issue
The microbial ecology of buildings gets a boost from a foundation and researchers trying to better understand the invisible communities in our homes, hospitals, and workspaces. Author: Courtney Humphries
» [News Focus] Profile : Stephen Friend: The Visionary
09/02/12 21:53 from Science: Current Issue
Seeking to spur drug development, Stephen Friend has launched a daring series of initiatives to make biomedical research more open and effective. Author: Jocelyn Kaiser
» [Letter] Carbon Shifted But Not Sequestered
09/02/12 21:53 from Science: Current Issue
Author: Rane L. Curl
» [Letter] Response—Carbon Shifted But Not Sequestered
09/02/12 21:53 from Science: Current Issue
Authors: C. Groves, J. Cao, C. Zhang
» [Letter] Ecosystem Services: Heed Social Goals
09/02/12 21:53 from Science: Current Issue
Authors: Esteve Corbera, Unai Pascual
» [Letter] Ecosystem Services: Free Lunch No More
09/02/12 21:53 from Science: Current Issue
Author: Lucas N. Joppa
» [Letter] Response—Ecosystem Services: Free Lunch No More
09/02/12 21:53 from Science: Current Issue
Authors: Ann P. Kinzig, Charles Perrings, F. Stuart Chapin II, Stephen Polasky, V. Kerry Smith, David Tilman, B. L. Turner III
» [Letter] NextGenVOICES: Definition of Success: Last Call
09/02/12 21:53 from Science: Current Issue
» [Correction] Corrections and Clarifications
09/02/12 21:53 from Science: Current Issue
» [Technical Comment] Comment on “Phonemic Diversity Supports a Serial Founder Effect Model of Language Expansion from Africa”
09/02/12 21:53 from Science: Current Issue
Authors: Michael Cysouw, Dan Dediu, Steven Moran
» [Technical Comment] Comment on “Phonemic Diversity Supports a Serial Founder Effect Model of Language Expansion from Africa”
09/02/12 21:53 from Science: Current Issue
Authors: Chuan-Chao Wang, Qi-Liang Ding, Huan Tao, Hui Li
» [Technical Comment] Comment on “Phonemic Diversity Supports a Serial Founder Effect Model of Language Expansion from Africa”
09/02/12 21:53 from Science: Current Issue
Authors: Rory Van Tuyl, Asya Pereltsvaig
» [Technical Response] Response to Comments on “Phonemic Diversity Supports a Serial Founder Effect Model of Expansion from Africa”
09/02/12 21:53 from Science: Current Issue
Author: Quentin D. Atkinson
» [Book Review] Paradoxical Roots of “Social Construction”
09/02/12 21:53 from Science: Current Issue
Nye locates the roots of the "social turn" (highlighting the importance of social communities, behavioral norms, and personal commitments) in the scientific culture and political events of 1930s Europe. Author: David Kaiser
» [Book Review] Imaginary Identities
09/02/12 21:53 from Science: Current Issue
Zerubavel examines social and cultural aspects of how we understand kinship---and hence approach ethnicity, race, and nationalism. Author: Marta Tienda
» [Books et al.] Books Received
09/02/12 21:53 from Science: Current Issue
A listing of books received at Science during the week ending 03 February 2012.
» [Policy Forum] Public Health and Biosecurity: Adaptations of Avian Flu Virus Are a Cause for Concern
09/02/12 21:53 from Science: Current Issue
Members of the National Science Advisory Board for Biosecurity explain its recommendations on the communication of experimental work on H5N1 influenza. Authors: Kenneth I. Berns, Arturo Casadevall, Murray L. Cohen, Susan A. Ehrlich, Lynn W...
» [Policy Forum] Public Health and BIosecurity: Restricted Data on Influenza H5N1 Virus Transmission
09/02/12 21:53 from Science: Current Issue
Authors of a debated flu transmission study discuss why such work is important and should be published. Authors: Ron A. M. Fouchier, Sander Herfst, Albert D. M. E. Osterhaus
» [Perspective] Neuroscience: Ode to the Mushroom Bodies
09/02/12 21:53 from Science: Current Issue
Neurons that stabilize memory storage are located outside of a region in the insect brain long thought to handle this task. Author: Josh Dubnau
» [Perspective] Mathematics: Critical Truths About Power Laws
09/02/12 21:53 from Science: Current Issue
Most reported power laws lack statistical support and mechanistic backing. Authors: Michael P. H. Stumpf, Mason A. Porter
» [Perspective] Immunology: Remembering to Be Tolerant
09/02/12 21:53 from Science: Current Issue
Self-tolerant T cells can be transiently reactivated. Authors: June-Yong Lee, Stephen C. Jameson
» [Perspective] Chemistry: Probing Frozen Molecular Embraces
09/02/12 21:53 from Science: Current Issue
The conformation of the complex formed by a catalyst and its substrate was determined with a method that combined mass spectrometry and infrared spectroscopy. Author: Timothy S. Zwier
» [Perspective] Structural Biology: It\'s All in the Symmetry
09/02/12 21:53 from Science: Current Issue
The structure of a sodium-calcium exchange protein provides insight into the mechanism of Ca 2+ transport through the cell membrane. Authors: Jeff Abramson, Aviv Paz, Kenneth D. Philipson
» [Review] Seasonality in Ocean Microbial Communities
09/02/12 21:53 from Science: Current Issue
Authors: Stephen J. Giovannoni, Kevin L. Vergin
» [Brevia] Pigment Pattern Formation by Contact-Dependent Depolarization
09/02/12 21:53 from Science: Current Issue
Cell culture experiments reveal that direct interactions between pigment cells play a key role in skin pattern formation. Authors: Masafumi Inaba, Hiroaki Yamanaka, Shigeru Kondo
» [Research Article] Visualizing Long-Term Memory Formation in Two Neurons of the Drosophila Brain
09/02/12 21:53 from Science: Current Issue
Protein synthesis underlying olfactory memory storage takes place outside the mushroom body—the site of memory storage. Authors: Chun-Chao Chen, Jie-Kai Wu, Hsuan-Wen Lin, Tsung-Pin Pai, Tsai-Feng Fu, Chia-Lin Wu, Tim Tully, Ann-Shyn..
» [Research Article] Structural Insight into the Ion-Exchange Mechanism of the Sodium/Calcium Exchanger
09/02/12 21:53 from Science: Current Issue
The arrangement of four central ion-binding sites with differing specificities suggests how a membrane transporter protein works. Authors: Jun Liao, Hua Li, Weizhong Zeng, David B. Sauer, Ricardo Belmares, Youxing Jiang
» [Report] One-Step Fabrication of Supramolecular Microcapsules from Microfluidic Droplets
09/02/12 21:53 from Science: Current Issue
A molecular host that binds two guests directs scalable fabrication of hollow polymer/gold nanoparticle hybrid structures. Authors: Jing Zhang, Roger J. Coulston, Samuel T. Jones, Jin Geng, Oren A. Scherman, Chris Abell
» [Report] Determination of Noncovalent Docking by Infrared Spectroscopy of Cold Gas-Phase Complexes
09/02/12 21:53 from Science: Current Issue
Conformationally freezing a weakly bound complex in the gas phase sheds light on its likely binding motifs in solution. Authors: Etienne Garand, Michael Z. Kamrath, Peter A. Jordan, Arron B. Wolk, Christopher M. Leavitt, Anne B. McCoy, Scot..
» [Report] A Molecular MoS2 Edge Site Mimic for Catalytic Hydrogen Generation
09/02/12 21:53 from Science: Current Issue
A small molecule functionally models the active component of an extended solid material with wide catalytic applications. Authors: Hemamala I. Karunadasa, Elizabeth Montalvo, Yujie Sun, Marcin Majda, Jeffrey R. Long, Christopher J. Chang
» [Report] Near-Field Deformation from the El Mayor–Cucapah Earthquake Revealed by Differential LIDAR
09/02/12 21:53 from Science: Current Issue
Optical remote sensing before and after a large earthquake reveals its rupture dynamics. Authors: Michael E. Oskin, J Ramon Arrowsmith, Alejandro Hinojosa Corona, Austin J. Elliott, John M. Fletcher, Eric J. Fielding, Peter O. Gold, J. Javi..
» [Report] Propagation of Slow Slip Leading Up to the 2011 Mw 9.0 Tohoku-Oki Earthquake
09/02/12 21:53 from Science: Current Issue
Two sequences of slow slip preceded and migrated toward the main rupture. Authors: Aitaro Kato, Kazushige Obara, Toshihiro Igarashi, Hiroshi Tsuruoka, Shigeki Nakagawa, Naoshi Hirata
» [Report] Structure-Based Mechanistic Insights into DNMT1-Mediated Maintenance DNA Methylation
09/02/12 21:53 from Science: Current Issue
The enzyme that maintains DNA methylation in eukaryotes flips out the target C base in hemimethylated DNA for methylation. Authors: Jikui Song, Marianna Teplova, Satoko Ishibe-Murakami, Dinshaw J. Patel
» [Report] Structure and Allostery of the PKA RIIβ Tetrameric Holoenzyme
09/02/12 21:53 from Science: Current Issue
Details are revealed as to how cyclic adenosine monophosphate (cAMP) binding causes dissociation and activation of cAMP-dependent protein kinase. Authors: Ping Zhang, Eric V. Smith-Nguyen, Malik M. Keshwani, Michael S. Deal, Alexandr P. Kor..
» [Report] The Crystal Structure of TAL Effector PthXo1 Bound to Its DNA Target
09/02/12 21:53 from Science: Current Issue
Structures show how a virulence factor in a plant pathogen recognizes and binds to host DNA. Authors: Amanda Nga-Sze Mak, Philip Bradley, Raul A. Cernadas, Adam J. Bogdanove, Barry L. Stoddard
» [Report] Structural Basis for Sequence-Specific Recognition of DNA by TAL Effectors
09/02/12 21:53 from Science: Current Issue
Structures show how a virulence factor in a plant pathogen recognizes and binds to host DNA. Authors: Dong Deng, Chuangye Yan, Xiaojing Pan, Magdy Mahfouz, Jiawei Wang, Jian-Kang Zhu, Yigong Shi, Nieng Yan
» [Report] Rescued Tolerant CD8 T Cells Are Preprogrammed to Reestablish the Tolerant State
09/02/12 21:53 from Science: Current Issue
Maintenance of T cell tolerance is likely regulated by epigenetic mechanisms. Authors: Andrea Schietinger, Jeffrey J. Delrow, Ryan S. Basom, Joseph N. Blattman, Philip D. Greenberg
» [Departments] Gordon Research Conferences
09/02/12 21:53 from Science: Current Issue
» New Products
09/02/12 21:53 from Science: Current Issue
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.
» [Podcast] Science Podcast
09/02/12 21:53 from Science: Current Issue
The show includes ultraviolet light sensing in plants, investigating earthquakes with LIDAR, indoor microbe populations, and more.
» Most lethal known species of prion protein identified
09/02/12 20:28 from ScienceDaily Headlines
Scientists have identified a single prion protein that causes neuronal death similar to that seen in \"mad cow\" disease, but is at least 10 times more lethal than larger prion species.
» Hydrogen from acidic water: Potential low cost alternative to platinum for splitting water
09/02/12 20:28 from ScienceDaily Headlines
A technique for creating a new molecule that structurally and chemically replicates the active part of the molybdenite catalyst paves the way for developing catalytic materials that can serve as effective low-cost alternatives to platinum f..
» Deconstructing a mystery: What caused Snowmaggedon?
09/02/12 20:28 from ScienceDaily Headlines
Scientists are using computer models to help unravel the mystery of a record-setting snowfall in the Washington, DC area in early 2010.
» To perform with less effort, practice beyond perfection
09/02/12 19:40 from ScienceDaily Headlines
Whether you are an athlete, a musician or a stroke patient learning to walk again, practice can make perfect, but more practice may make you more efficient, according to a surprising new study.
» Ocean microbe communities changing, but long-term environmental impact is unclear
09/02/12 19:40 from ScienceDaily Headlines
As oceans warm due to climate change, water layers will mix less and affect the microbes and plankton that pump carbon out of the atmosphere – but researchers say it\'s still unclear whether these processes will further increase global warmi..
» Chemists harvest light to create \'green\' tool for pharmaceuticals
09/02/12 19:39 from ScienceDaily Headlines
Researchers have created a new, “green” method for developing medicines. The researchers used energy from a light bulb to create an organic molecule that may be useful in the treatment of Alzheimer’s and other brain diseases.
» Ocean warming causes elephant seals to dive deeper
09/02/12 19:02 from ScienceDaily Headlines
Global warming is having an effect on the dive behavior and search for food of southern elephant seals.
» Gene therapy boosts brain repair for demyelinating diseases
09/02/12 19:02 from ScienceDaily Headlines
Our bodies are full of tiny superheroes -- antibodies that fight foreign invaders, cells that regenerate, and structures that ensure our systems run smoothly. One such structure is myelin, a material that forms a protective cape around the ..
» Seismic resistance: Model analyzes shape-memory alloys for use in earthquake-resistant structures
09/02/12 18:58 from ScienceDaily Headlines
Recent earthquake damage has exposed the vulnerability of existing structures to strong ground movement. Researchers are now analyzing shape-memory alloys for their potential use in constructing seismic-resistant structures.
» Baby knows best: Baby-led weaning promotes healthy food preferences
09/02/12 18:58 from ScienceDaily Headlines
A new study has shown that babies who are weaned using solid finger food are more likely to develop healthier food preferences and are less likely to become overweight as children than those who are spoon-fed pureed food.
» New battery could lead to cheaper, more efficient solar energy
09/02/12 18:58 from ScienceDaily Headlines
Scientists have found that a new type of battery has the potential to improve the efficiency and reduce the cost of solar power.
» Physically abused children report higher levels of psychosomatic symptoms
09/02/12 18:53 from ScienceDaily Headlines
Children who display multiple psychosomatic symptoms, such as regular aches and pains and sleep and appetite problems, are more than twice as likely to be experiencing physical abuse at home than children who do not display symptoms. Resear..
» Secrets of immune response illuminated in new study
09/02/12 18:51 from ScienceDaily Headlines
When disease-causing invaders like bacteria infect a human host, cells of various types swing into action, coordinating their activities to address the threat. Scientists have now investigated the coordination of a particular type of immune..
» Nanotube therapy takes aim at breast cancer stem cells
09/02/12 18:14 from ScienceDaily Headlines
Researchers have again shown that injecting multiwalled carbon nanotubes (MWCNTs) into tumors and heating them with a quick, 30-second laser treatment can kill them.
» What kind of chocolate is best? The last you taste, says a new study
09/02/12 15:20 from ScienceDaily Headlines
Like to save the best for last? Here\'s good news: If it\'s the last, you\'ll like it the best.
» Right hand or left? How the brain solves a perceptual puzzle
09/02/12 15:20 from ScienceDaily Headlines
When you see a picture of a hand, how do you know whether it\'s a right or left hand? This \"hand laterality\" problem may seem obscure, but it reveals a lot about how the brain sorts out confusing perceptions. Now, a new study challenges the ..
» Amazing skin gives sharks a push
09/02/12 15:17 from ScienceDaily Headlines
Shark skin has long been known to improve the fish\'s swimming performance by reducing drag, but now a new study show that in addition, the skin generates thrust, giving the fish an extra boost. The duo also discovered that Speedo\'s shark sk..
» How the zebra got its stripes
09/02/12 15:17 from ScienceDaily Headlines
Horseflies are unpleasant insects that deliver powerful bites and now it seems that zebras evolved their stripes to avoid attracting the unpleasant pests. New research show that zebras have the least attractive hides for horseflies.
» Mobile launcher tests confirm designs, NASA analysis concludes
09/02/12 15:15 from ScienceDaily Headlines
The 355-foot-tall mobile launcher, or ML, behaved as expected during its move to Launch Pad 39B at NASA\'s Kennedy Space Center in Florida in November 2011, an analysis of multiple sensors showed. The top of the tower swayed less than an inc..
» Fruit fly turn-on: A sexy, youthful smell may make up for advancing age
09/02/12 15:14 from ScienceDaily Headlines
Beauty is more than skin deep, at least for fruit flies studied in new research that demonstrates how age-related changes in pheromone production can reduce sexual attractiveness.
» NASA small explorer mission celebrates 10 years and 40,000 X-ray flares
09/02/12 15:13 from ScienceDaily Headlines
On February 5, 2002, NASA launched what was then called the High Energy Solar Spectroscopic Imager (HESSI) into orbit. Renamed within months as the Ramaty High Energy Solar Spectroscopic Imager (RHESSI) after Reuven Ramaty, a deceased NASA ..
» Mars-bound NASA rover carries coin for camera checkup
09/02/12 15:08 from ScienceDaily Headlines
The camera at the end of the robotic arm on NASA\'s Mars rover Curiosity has its own calibration target, a smartphone-size plaque that looks like an eye chart supplemented with color chips and an attached penny. When Curiosity lands on Mars ..
» NASA\'s Galaxy Evolution Explorer in standby mode
09/02/12 15:06 from ScienceDaily Headlines
NASA\'s Galaxy Evolution Explorer, or Galex, was placed in standby mode Feb. 7, 2012 as engineers prepare to end mission operations, nearly nine years after the telescope\'s launch. The spacecraft is scheduled to be decommissioned -- taken ou..
» Global sea level rise: NASA mission takes stock of Earth\'s melting land ice
09/02/12 15:05 from ScienceDaily Headlines
In the first comprehensive satellite study of its kind, researchers have used NASA data to calculate how much Earth\'s melting land ice is adding to global sea level rise. Using satellite measurements from the NASA/German Aerospace Center Gr..
» New views show old NASA Mars landers
09/02/12 15:04 from ScienceDaily Headlines
The High Resolution Imaging Science Experiment (HiRISE) camera on NASA\'s Mars Reconnaissance Orbiter recorded a scene on Jan. 29, 2012, that includes the first color image from orbit showing the three-petal lander of NASA\'s Mars Exploration..
» Presdisposition to common heart disease \'passed on from father to son\'
09/02/12 03:02 from ScienceDaily Headlines
A common heart disease which kills thousands each year may be passed genetically from father to son, according to a new study.
» Tiny primate is ultrasonic communicator
09/02/12 03:02 from ScienceDaily Headlines
Tarsiers\' ultrasonic calls -- among the most extreme in the animal kingdom -- give them a \"private channel\" of communication, says an anthropologist.
» Financial burden of prescription drugs is dropping, U.S. study finds
08/02/12 23:02 from ScienceDaily Headlines
The financial challenge Americans face paying out-of-pocket costs for prescription drugs has declined, but the costs remain a burden to many families, according to a new study. Despite the improvement, more than 8 million non-elderly Americ..
» Memory strengthened by stimulating key site in brain
08/02/12 23:00 from ScienceDaily Headlines
Ever gone to the movies and forgotten where you parked the car? New research may one day help you improve your memory. Neuroscientists have demonstrated that they can strengthen memory in human patients by stimulating a critical junction in..
» January 2012 fourth warmest for contiguous United States, but Alaska extremely cold
08/02/12 20:34 from ScienceDaily Headlines
During January, warmer-than-average conditions enveloped most of the contiguous United States, with widespread below-average precipitation. The overall weather pattern for the month was reflected in the lack of snow for much of the Northern..
» DNA sequencing helps identify cancer cells for immune system attack
08/02/12 20:23 from ScienceDaily Headlines
DNA sequences from tumor cells can be used to direct the immune system to attack cancer, according to scientists. The immune system relies on an intricate network of alarm bells, targets and safety brakes to determine when and what to attac..
» Transformational fruit fly genome catalog completed
08/02/12 20:23 from ScienceDaily Headlines
Scientists searching for the genomics version of the holy grail – more insight into predicting how an animal’s genes affect physical or behavioral traits – now have a reference manual that should speed gene discoveries in everything from pe..
» Fasting weakens cancer in mice
08/02/12 20:22 from ScienceDaily Headlines
New study finds that short fasting cycles can work as well as chemotherapy, and the two combined greatly improve survival.
» Gene therapy for inherited blindness succeeds in patients\' other eye
08/02/12 20:22 from ScienceDaily Headlines
Gene therapy for congenital blindness took another step forward, as researchers further improved vision in three adult patients previously treated in one eye. The patients were better able to see in dim light, with no adverse effects.
» Some formerly cohabiting couples with children keep romantic relationship
08/02/12 20:22 from ScienceDaily Headlines
When low-income cohabiting couples with children decide to no longer live together, that doesn’t necessarily mean the end of their romantic relationship, a new study suggests.
» Sound rather than sight can activate \'seeing\' for the blind, say researchers
08/02/12 19:59 from ScienceDaily Headlines
Scientists have tapped onto the visual cortex of the congenitally blind by using sensory substitution devices (SSDs), enabling the blind in effect to \"see\" and even describe objects. SSDs are non-invasive sensory aids that provide visual in..
» New image captures \'stealth merger\' of dwarf galaxies
08/02/12 18:30 from ScienceDaily Headlines
New images of a nearby dwarf galaxy have revealed a dense stream of stars in its outer regions, the remains of an even smaller companion galaxy in the process of merging with its host. The host galaxy, known as NGC 4449, is the smallest pri..
» Milky Way\'s black hole found grazing on asteroids
08/02/12 18:30 from ScienceDaily Headlines
The giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids, which could explain the frequent flares observed, according to astronomers.
» Study to determine whether fish oil can help prevent psychiatric disorders
08/02/12 18:30 from ScienceDaily Headlines
A new study was designed to test whether Omega-3 fatty acids improve clinical symptoms, and help adolescents and young adults (ages 12 to 25) who are at elevated risk for severe psychiatric disorders function better in school, work and othe..
» Why bad immunity genes survive
08/02/12 18:30 from ScienceDaily Headlines
Biologists have found new evidence of why mice, people and other vertebrate animals carry thousands of varieties of genes to make immune-system proteins named MHCs -- even though some of those genes make vertebrate animals susceptible to in..
» After-school program can reduce alcohol use among middle school students, study finds
08/02/12 18:28 from ScienceDaily Headlines
A voluntary substance prevention program held after school and presented by trained facilitators can help reduce alcohol use among young adolescents, according to a new study.
» New \'cell assay on a chip:\' Solid results from simple means
08/02/12 18:28 from ScienceDaily Headlines
A research engineer combined a glass slide, plastic sheets and double-sided tape to build a \"diffusion-based gradient generator\", a tool to rapidly assess how changing concentrations of specific chemicals affect living cells.
» Charter service: Encasing the Magna Carta
08/02/12 18:28 from ScienceDaily Headlines
You often hear about the Framers of the Constitution, but not so much the framers of the Magna Carta. They work for NIST.
» Report on Texas fire urges firefighters to consider wind effects
08/02/12 18:28 from ScienceDaily Headlines
Wind conditions at a fire scene can make a critical difference on the behavior of the blaze and the safety of firefighters, even indoors, according to a new report.
» Octagonal window of opportunity for carbon capture
08/02/12 18:28 from ScienceDaily Headlines
Scientists have gathered new insight into the performance of a material called a zeolite that may filter carbon dioxide far more efficiently than current industrial \"scrubbers\" do.
» Arsenic criticality poses concern for modern technology
08/02/12 18:27 from ScienceDaily Headlines
Risks related to the critical nature of arsenic -- used to make high-speed computer chips that contain gallium arsenide -- outstrip those of other substances in a group of critical materials needed to sustain modern technology, a new study ..
» Heart disease may be a risk factor for prostate cancer
08/02/12 18:27 from ScienceDaily Headlines
In a large analysis of men participating in a prostate drug trial, researchers found a significant correlation between coronary artery disease and prostate cancer, suggesting the two conditions may have shared causes.