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Science News Archive March 2012 - Page 21


Page 21 of 32

Could the immune system help recovery from stroke?

A new EU project, TargetBraIn, is investigating the potential of the immune system to aid in stroke recovery. The research seeks to balance the positive and negative effects of inflammation, with the goal of developing more effective treatments for this growing health issue.

SourceLund University·DateMar 13, 2012

150 'Planet under Pressure' public events worldwide

The Planet under Pressure conference brings together 2,500 specialists to present scientific knowledge on the planet's state and potential solutions. Public events at science centers and museums worldwide will take place concurrently, giving the public a snapshot of the planet's state and scientific concern.

SourceEarth System Science Partnership·DateMar 13, 2012

Prolonged space travel causes brain and eye abnormalities in astronauts

Prolonged space travel has been found to cause brain and eye abnormalities in astronauts, similar to those seen in intracranial hypertension of unknown cause. MRI scans revealed optic nerve expansion, eyeball flattening, and pituitary gland changes in astronauts exposed to microgravity for extended periods.

SourceRadiological Society of North America·JournalRadiology·DateMar 13, 2012
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Fatty diets may be associated with reduced semen quality

A study of 99 men found an association between high total fat intake and lower total sperm count and concentration. Men who consumed more omega-3 polyunsaturated fats had better formed sperm than those who consumed less.

SourceEuropean Society of Human Reproduction and Embryology·JournalHuman Reproduction·DateMar 13, 2012

Global warming skepticism climbs during tough economic times

A University of Connecticut study reveals that growing economic uncertainty leads to decreased public belief in man-made global warming. Research found a strong correlation between unemployment rates and climate change skepticism, with jobless rates dropping skepticism among the public.

SourceUniversity of Connecticut·JournalGlobal Environmental Change·DateMar 13, 2012
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Planned repeat cesarean section may be safer for mother and baby

A study published in PLOS Medicine suggests that women who have a previous caesarean section may benefit from a planned repeat caesarean section in terms of reduced bleeding and infant mortality. The research found that elective repeat caesarean sections were associated with lower risks of severe bleeding and serious infant morbidity.

SourcePLOS·JournalPLOS Medicine·DateMar 13, 2012

New compound discovered that rapidly kills liver cancer

Scientists have identified a new compound, Factor Qunolinone Inhibitor 1 (FQI1), that rapidly kills hepatocellular carcinoma (HCC) cells by inhibiting an oncogene, while sparing healthy tissue. Laboratory experiments and mouse models demonstrate the compound's effectiveness without observable toxicity.

SourceVirginia Commonwealth University·JournalProceedings of the National Academy of Sciences·DateMar 13, 2012
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Fertilization by invasive species threatens nutrient-poor ecosystems

Biologists at Bielefeld University have developed a new method to quantify the impact of non-native species on ecosystem functioning. The study found that invasive species like the Sydney Golden Wattle can fertilize surrounding soil with nitrogen, extending beyond their occupied area and affecting native plants.

SourceBielefeld University·JournalEcology Letters·DateMar 13, 2012

Cool hands may be the key to increasing exercise capacity

A study presented at the American Heart Association's 2012 Scientific Sessions found that cooling the palms of the hands during exercise improved exercise tolerance and cardiovascular fitness in obese women. Holding a cold bottle or using a cooling device may help exercisers work out longer and stick with their regimen.

SourceAmerican Heart Association·DateMar 13, 2012

Center for Innovative Metal Processing created

The Penn State Applied Research Laboratory and Sciaky, Inc. have established the Center for Innovative Metal Processing through Direct Digital Deposition as a Manufacturing Demonstration Facility. The center aims to provide an advanced design and simulation tool in a shared network for industry participants to evaluate the technology.

SourcePenn State·DateMar 13, 2012
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

U-M biologists find potential drug that speeds cellular recycling

A University of Michigan team has identified a synthetic small molecule that can activate lysosome calcium channels, potentially treating rare inherited metabolic disorders and neurodegenerative diseases. The discovery could also provide insights into the aging process.

SourceUniversity of Michigan·JournalNature Communications·DateMar 13, 2012

Dietary patterns exist among US adults based on demographics

Researchers identified five distinct dietary patterns among US adults based on demographic factors such as age, race, region, gender, income, and education. These patterns include the Southern, Traditional, Healthy, Sweets, and Alcohol diets, which have clear differences in food choices across demographic groups.

SourceAmerican Heart Association·DateMar 13, 2012

'A Lethal Inheritance'

The book reveals startling neuroscientific and genetic findings that explain how clusters of mental illness traverse family generations. Victoria Costello shares her personal journey and discovers the earliest signs of mental illnesses that can be passed on from grandparents to parents and grandchildren.

SourcePrometheus Books·DateMar 13, 2012
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Cassini spies wave rattling jet stream on Jupiter

Scientists have discovered an invisible wave interacting with Jupiter's jet streams, revealing a connection to Earth's atmosphere and influencing the planet's weather. The Cassini spacecraft's high-resolution images showed the wave's oscillation, tied to Rossby waves and gravity inertia waves.

SourceNASA/Goddard Space Flight Center·JournalIcarus·DateMar 13, 2012

Scientists produce eye structures from human blood-derived stem cells

Researchers at the University of Wisconsin-Madison have created early retina structures containing proliferating neuroretinal progenitor cells using induced pluripotent stem cells derived from human blood. The structures showed the capacity to form layers of cells, which possessed the machinery to communicate information.

SourceUniversity of Wisconsin-Madison·JournalInvestigative Ophthalmology & Visual Science·DateMar 13, 2012

Just 60 seconds of combat impairs memory

A study by Dr. Lorraine Hope found that less than 60 seconds of physical exertion can severely impair a police officer's ability to remember details of an incident, including recognizing the person involved. This can lead to inaccuracies in witness accounts and potentially affect an officer's credibility.

SourceAssociation for Psychological Science·JournalPsychological Science·DateMar 13, 2012
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

New insights into the synaptic basis of chronic pain

A team of scientists has identified a key player in the amplification of pain signals in the spinal cord, which could lead to the development of novel treatments for chronic pain. By removing an enzyme called PKG-1 from pain-sensing nerves, researchers found that LTP was abolished and pain-related memory and behavior were also altered.

SourcePLOS·JournalPLOS Biology·DateMar 13, 2012

Post-exposure antibody treatment protects primates from Ebola, Marburg viruses

US Army researchers have successfully tested antibody-based therapies in monkeys infected with Ebola and Marburg viruses, demonstrating full protection even when treatment was delayed until two days post-infection. This breakthrough provides proof-of-concept for developing filovirus therapies for human use.

SourceUS Army Medical Research Institute of Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateMar 13, 2012
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Barrier to faster graphene devices identified and suppressed

Researchers at Vanderbilt University have identified a major barrier to faster graphene devices, finding that charged impurities on the surface of graphene scatter electrons. By using electrically neutral liquids, they achieved record-levels of room-temperature electron mobility, three times greater than previous graphene-based devices.

SourceVanderbilt University·JournalNature Communications·DateMar 13, 2012

Study of ribosome evolution challenges 'RNA World' hypothesis

Researchers found that proteins and RNA molecules evolved together, contradicting the long-held 'RNA World' hypothesis. The study suggests that proteins were present before ribosomal RNAs were recruited to aid in protein synthesis.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalPLOS ONE·DateMar 12, 2012
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Extensive taste loss in mammals

Seven mammalian species have lost the sense of sweet taste, including strict carnivores like cats and sea lions, due to defects in their sweet taste receptors. This finding suggests that dietary specialization can lead to evolutionary trade-offs in sensory perception.

SourceMonell Chemical Senses Center·JournalProceedings of the National Academy of Sciences·DateMar 12, 2012

Powerful treatment provides effective relief for urinary incontinence -- new study

A new study by the University of Leicester has demonstrated that botulinum toxin is an effective treatment for overactive bladder, providing relief from symptoms such as urinary incontinence and urgency. The study found that 4 in 10 women became completely continent again after six weeks and a third remained continent after six months.

SourceUniversity of Leicester·JournalEuropean Urology·DateMar 12, 2012

Scientists document first consumption of abundant life form, Archaea

A team of scientists from Oregon State University has documented for the first time that animals can consume Archaea, a type of single-celled microorganism. This finding adds a wrinkle to scientific understanding of greenhouse gas cycles and opens up new avenues of research into the roles of Archaea in ecosystems.

SourceOregon State University·DateMar 12, 2012
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Tweens just say 'maybe' to cigarettes and alcohol

A study published in the Journal of Studies on Alcohol and Drugs found that tweens are ambivalent about cigarettes and alcohol, with both positive and negative associations. This ambivalence makes them susceptible to social influences and media portrayals, increasing their risk of substance use.

SourceConcordia University·DateMar 12, 2012

Restoring what's lost: Uncovering how liver tissue regenerates

Researchers at the University of Southern California have identified the role of stem and progenitor cells in liver regeneration. Bone marrow-derived progenitor cells were found to be required for liver regeneration following surgical removal, shedding light on liver complications associated with suppressed bone marrow tissue.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMar 12, 2012

Laser lightning rod: Guiding bursts of electricity with a flash of light

Researchers successfully redirect an electrical discharge from its intended target to a normally less-attractive electrode using a virtual lightning rod created with femtosecond pulses of laser light. This feat demonstrates the potential of using laser-based lightning rods for research and protection.

SourceAmerican Institute of Physics·JournalAIP Advances·DateMar 12, 2012
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Circumcision may help protect against prostate cancer

A new analysis suggests that circumcision before a male's first sexual intercourse may reduce the risk of developing prostate cancer. Men who were circumcised had a 15% lower risk of developing prostate cancer compared to uncircumcised men, with reduced risks for both less aggressive and more aggressive cancers.

SourceWiley·JournalCancer·DateMar 12, 2012

Blood on the menu

Scientists have discovered how to control the Ruby gene, which is associated with improved cardiovascular health and reduced obesity. This breakthrough could lead to genetically engineered blood oranges that can thrive in warmer climates without cold dependency.

SourceNorwich BioScience Institutes·JournalThe Plant Cell·DateMar 12, 2012
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Major study stops bladder cancer from metastasizing to lungs

A major study published in the Journal of Clinical Investigation has identified a method to stop bladder cancer from metastasizing to the lungs. The study found that adding the protein RhoGDI2 to tumors reduces versican production, blocking the ability of cancer cells to grow in the lungs.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJournal of Clinical Investigation·DateMar 12, 2012

Detecting clouds from both sides now

Researchers from the University of Reading have designed a novel sunlight-measuring tool to detect cloud boundaries with greater precision. The device uses the natural swinging motion of a rising weather balloon to distinguish between clouds and clear air.

SourceAmerican Institute of Physics·JournalReview of Scientific Instruments·DateMar 12, 2012

Medically prescribed heroin more effective, less costly than current methadone treatment

A study by researchers at Providence Health Care and the University of British Columbia found that medically prescribed heroin is more cost-effective than methadone for treating long-term street heroin users. The study attributed most of the economic benefits to recipients staying in treatment longer and spending less time in relapse.

SourceUniversity of British Columbia·JournalCanadian Medical Association Journal·DateMar 12, 2012
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Butterfly molecule may aid quest for nuclear clean-up technology

Researchers at the University of Edinburgh produced a previously unseen uranium molecule, which could help improve nuclear waste clean-up processes. The butterfly-shaped compound is robust and may play a role in forming clusters of radioactive material in waste.

SourceUniversity of Edinburgh·JournalNature Chemistry·DateMar 12, 2012

Mini-molecule governs severity of acute graft vs. host disease, study finds

Researchers have identified microRNA-155 as a molecule that controls the severity of acute graft-versus-host disease in leukemia patients who receive bone-marrow transplants. Reducing or blocking miR-155 expression decreases GVHD severity and increases survival, suggesting a new strategy for treating the condition.

SourceOhio State University Wexner Medical Center·JournalBlood·DateMar 12, 2012
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Largest ever study of childhood ALL shows improving survival

The largest-ever study of childhood Acute Lymphoblastic Leukemia (ALL) reveals a remarkable improvement in the five-year survival rate, increasing from 83.7% in 1990-1994 to 90.4% in 2000-2005. This significant advancement is attributed to better treatment and drug optimization, not the introduction of new drugs.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJournal of Clinical Oncology·DateMar 12, 2012