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Science News Archive April 2010 - Page 5


Page 5 of 24

Navy supports ASU mobile communications research

Dijiang Huang's secure mobile cloud computing research has earned a $510,000 ONR grant to develop advanced mobile wireless systems. The goal is to create a framework for mobile defense operations using cloud-computing techniques.

SourceArizona State University·DateApr 26, 2010

Regular aerobic exercise is good for the brain, Pitt team says

A study published in the journal Neuroscience found that regular aerobic exercise speeds learning and improves blood flow to the brain's motor cortex. Monkeys who exercised regularly performed better on cognitive tests than their sedentary counterparts, suggesting similar benefits for humans.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalNeuroscience·DateApr 26, 2010
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.

Study: Colleges suffer when endowment values wane

Researchers found that universities cut faculty and staff when endowment investments decline, but not administrators. Universities with larger endowment declines make deeper cuts to non-administrative positions.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateApr 26, 2010

SSRIs and cardiovascular health

Researchers found that SSRIs slowed platelet clumping in participants taking the medication to treat depression, suggesting a potential beneficial effect on cardiovascular health. The study's findings could indicate a lower risk of cardiovascular disease for people taking SSRIs to treat depression.

SourceFederation of American Societies for Experimental Biology·DateApr 26, 2010
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.

Domestic violence victims have higher health costs for years after abuse ends

A new study found that domestic violence victims have significantly higher health costs than non-abused women, with average costs of over $1,200 for the first two years after abuse ends. The study suggests that prolonged impact of abuse on healthcare costs is consistent with chronic health conditions.

SourceOhio State University·JournalJournal of General Internal Medicine·DateApr 26, 2010

Gene expression test reduces need for invasive heart muscle biopsy

Researchers found a gene expression test reduced biopsies and was safe, resulting in similar two-year outcomes as traditional biopsies, and was preferred by patients. The test measures 11 genes associated with heart transplant rejection, reducing the need for invasive heart muscle biopsies.

SourceNew York- Presbyterian Hospital/Columbia University Medical Center·JournalNew England Journal of Medicine·DateApr 26, 2010

Fox Chase researchers identify early ovarian cancers

Fox Chase researchers have discovered that early ovarian cancers arise in inclusion cysts of the ovary. The team found gene expression patterns and extra chromosomes in cells from these cysts compared to normal surface epithelium cells.

SourceFox Chase Cancer Center·JournalPLOS ONE·DateApr 26, 2010
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Pennsylvania makes inroads into reducing child obesity

In Pennsylvania, school districts set goals to reduce childhood obesity through improved snacks and nutrition education, resulting in a 75% increase in healthy food options. However, physical activity opportunities remained stagnant despite legislation requiring it, leaving room for improvement.

SourcePenn State·JournalHealth Affairs·DateApr 26, 2010

Social networking helps hermit crabs find homes

Researchers found that hermit crabs gather in groups and queue up for new shells, increasing the chances of finding improved housing. This social behavior is similar to human apartment hunting and can be applied to other animals relying on reusable resources.

SourceTufts University·JournalBehavioral Ecology·DateApr 26, 2010

Nano-infused filters prove effective

Researchers at Rice University and their international colleagues created ultra-fine air filters using carbon nanotube membranes. These filters can remove up to 99% of particles smaller than a micron, outperforming traditional HEPA filters.

SourceRice University·JournalACS Nano·DateApr 26, 2010
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

A blessing in disguise

Women with preeclampsia have reduced incidence of breast cancer, possibly due to soluble endoglin inhibiting cell growth. However, pups born from mothers with preeclampsia are more likely to develop breast tumors.

SourceFederation of American Societies for Experimental Biology·DateApr 26, 2010

Ancient artifacts revealed as northern ice patches melt

Scientists uncover thousands of years-old hunting tools, including wooden arrows and dart shafts, as warming temperatures melt ancient ice patches in the Mackenzie Mountains. The discovery sheds new light on ancient caribou migration patterns and hunting practices.

SourceArctic Institute of North America·DateApr 26, 2010

Exercise can forestall osteoporosis

Researchers found that higher levels of follicle-stimulating hormone (FSH) decrease bone mineral density by increasing cytokines, leading to bone breakdown. Exercise has been shown to retain greater bone density in women who engage in more than 180 minutes of physical activity per week.

SourceMedical College of Georgia at Augusta University·DateApr 26, 2010

Nutrition education at WIC influences participants to consume more healthful foods

A new WIC nutrition education curriculum in California showed significant improvements in participants' recognition of education messages on healthy eating behaviors. Fruits and vegetables, whole grain consumption, and lower-fat dairy intake increased after the education, suggesting a favorable impact on family nutrition.

SourceElsevier Health Sciences·JournalJournal of Nutrition Education and Behavior·DateApr 26, 2010

ONR continues major funding of ACCeSS research center

The ACCeSS research center received a five-year, $4.5 million grant from the US Office of Naval Research as part of its National Naval Responsibility – Naval Engineering (NNR-NE) program. The center brings together engineering disciplines to develop innovative design concepts and ship design tools in response to future Navy objectives.

SourceStevens Institute of Technology·DateApr 26, 2010
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Researchers develop technique to visualize 'your brain on drugs'

A new imaging protocol allows scientists to visualize the activity of dopamine receptors in the brain, revealing a 15-20% decrease in receptor density among individuals with addictions. This finding could lead to better understanding of drug addiction and development of more effective treatment strategies.

SourceFederation of American Societies for Experimental Biology·DateApr 26, 2010

How shape-memory materials remember

Researchers are gaining insight into the workings of magnetic shape-memory materials by studying their molecular level behavior. By examining the effects of excess manganese atoms on a specific alloy, scientists hope to develop materials that exhibit larger changes in shape.

SourceAmerican Physical Society·JournalPhysical Review Letters·DateApr 26, 2010

Physicists capture first images of atomic spin

Researchers at Ohio University and the University of Hamburg captured the first images of atomic spin in a study published in Nature Nanotechnology. The discovery enables manipulation of spin direction to store data in nanoscale devices, potentially leading to faster, smaller, and more efficient computers.

SourceOhio University·JournalNature Nanotechnology·DateApr 26, 2010

Skeleton key for cancer metastasis

Cancer cells require actin, microtubules, and intermediate filaments to break through the basement membrane and escape. The study found that these components collaborate in a specific order to facilitate metastasis.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateApr 26, 2010
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.

People with depression eat more chocolate, a mood food

Researchers found that both men and women who had higher depression scores consumed almost 12 servings of chocolate per month. Chocolate consumption was not associated with other antioxidant-rich foods or energy intake.

SourceUniversity of California - San Diego·JournalArchives of Internal Medicine·DateApr 26, 2010

Roof integrated solar energy

A Spanish-German partnership has created a virtually invisible solar film, Evalon Solar, which is integrated into the building rather than superimposed on it. The film, made from flexible silicon cells, can be used on vertical surfaces and retains only about 8% of energy captured from the sun.

SourceEUREKA·DateApr 26, 2010

New monitor lizard discovered in Indonesia

A newly discovered species of monitor lizard, Varanus obor, has been found in the Moluccan islands of east Indonesia. The Torch monitor, as it is known, can grow up to four feet in length and thrives on a diet of small animals and carrion.

SourceUniversity of California - Santa Barbara·JournalZootaxa·DateApr 26, 2010

NIH study confirms location of stem cells near cartilage-rich regions in bones

Researchers have identified the location of bone generating stem cells in mice and found factors that control their growth. The discovery opens up avenues for studying bone tumor formation and regenerating damaged or injured bone.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalProceedings of the National Academy of Sciences·DateApr 26, 2010
Apple iPhone 17 Pro

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

Scientists discover final piece in phytate jigsaw

Researchers have identified the enzyme that produces phytate, a naturally-occurring phosphate deposit found in seeds, beans, and tubers of many crops. This breakthrough has significant implications for reducing phytate-related pollution and improving animal feed efficiency.

SourceUniversity of East Anglia·JournalProceedings of the National Academy of Sciences·DateApr 26, 2010

How grass buffers keep agricultural herbicides at bay

Research found that grass and tree buffer strips decrease surface water runoff while increasing subsurface infiltration, resulting in an overall loss of herbicides before reaching bodies of water. Total export of herbicides was reduced through the use of these barriers.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateApr 26, 2010

Predicting risk for high blood pressure

Researchers found that African American boys have higher levels of angiotensin II, a hormone that contributes to high blood pressure, while African American girls have lower levels of protective angiotensin (1-7). These findings suggest that changes in hormone metabolism may occur before blood pressure changes, potentially leading to p...

SourceFederation of American Societies for Experimental Biology·DateApr 26, 2010

Cellular mechanical forces may initiate angiogenesis

Pericytes, contractile cells surrounding capillaries, use mechanical forces to initiate angiogenesis, a crucial process in cancer, diabetic retinopathy, and age-related macular degeneration. The study suggests that local contractions could serve as initiating mechanical signals influencing angiogenesis.

SourceTufts University, Health Sciences Campus·DateApr 26, 2010
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.

A therapy for cocaine toxicity

Scientists have created an enzyme called CocE that can rapidly break down cocaine and its toxic metabolites. This breakthrough could lead to a new therapy for treating cocaine overdose, which causes over half a million emergency room visits annually.

SourceFederation of American Societies for Experimental Biology·DateApr 26, 2010

Understanding how folic acid might help heal brain and spinal cord injuries

Researchers found that folic acid can promote nerve cell regeneration following injury in rodents. This discovery provides a rationale for testing folate supplementation in patients with spinal cord and brain trauma. The study suggests that folate may play a role in promoting healing and recovery from brain and spinal cord injuries.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 26, 2010

Botulinum injection provides relief of tennis elbow

A randomized controlled trial of 48 patients found that botulinum toxin injections significantly reduced pain at rest and during maximum pinch, but resulted in a decline in maximum strength. Precise measurement of each patient's forearm length guided the injection site, providing effective management of chronic tennis elbow.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateApr 26, 2010
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.

Massive Southern Ocean current discovered

Scientists have discovered a massive Southern Ocean current with a volume equivalent to 40 Amazon Rivers near the Kerguelen Plateau. The current carries dense, oxygen-rich water that sinks near Antarctica to the deep ocean basins further north.

SourceCSIRO Australia·JournalNature Geoscience·DateApr 26, 2010
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.

Stem cells from surgery leftovers could repair damaged hearts

Researchers have successfully extracted stem cells from sections of vein removed for heart bypass surgery, which can stimulate new blood vessels to grow and potentially help repair damaged heart muscle after a heart attack. The discovery brings the possibility of 'cell therapy' for damaged hearts one step closer.

SourceUniversity of Bristol·JournalCirculation·DateApr 26, 2010

New tool may help improve organ donation rates

A new tool helps neurologists identify comatose patients who are potential organ donors by analyzing four key factors: corneal reflex, cough reflex, motor response, and oxygenation index. This prediction can be made before a patient is taken off breathing support, benefiting both organ donation rates and medical resource allocation.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 26, 2010

Scientists learn to block pain at its source

Researchers at the University of Texas Health Science Center have discovered a family of endogenous capsaicin-like molecules that play an important role in pain biology. They have developed two new classes of analgesics using drugs that either block the synthesis or inactivate these substances.

SourceUniversity of Texas Health Science Center at San Antonio·JournalJournal of Clinical Investigation·DateApr 26, 2010

Are periodontal disease and prostatitis linked?

A study by Case Western Reserve University found that subjects with both high gum inflammation levels and moderate to severe prostatitis had higher PSA or inflammation levels. This suggests that inflammation outside the prostate gland may be causing an inflammatory reaction, which could explain why PSA levels can be high in prostatitis.

SourceCase Western Reserve University·JournalJournal of Periodontology·DateApr 26, 2010
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.

Brown rice and cardiovascular protection

Researchers found that the subaleurone layer of brown rice inhibits angiotensin II, a protein linked to high blood pressure and atherosclerosis. This discovery suggests that consuming half-milled or brown rice may offer cardiovascular protection.

SourceFederation of American Societies for Experimental Biology·DateApr 26, 2010

The billions that bug us: A genomic view of humans and their microbes

Recent advances in microbial genomics have enabled researchers to study the human microbiome, revealing its essential role in digestion and immune system development. The Human Microbiome Project aims to optimize the beneficial effects of microbiota for each individual, improving health outcomes.

SourceFederation of American Societies for Experimental Biology·DateApr 26, 2010

Breast cancer risk factors differ among races

A new study found that breast cancer risk factors differ significantly among Hispanic and non-Hispanic white women. In Hispanic women, known breast cancer risk factors were associated with only 7-36% of cases, compared to 62-75% in non-Hispanic whites.

SourceAmerican Cancer Society·JournalCancer·DateApr 26, 2010
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.

Race and empathy matter on neural level

A new Northwestern University study finds that African-Americans show greater empathy for other African-Americans facing adversity than Caucasians do for Caucasian-Americans. The study suggests that identifying with a racial group can dramatically change one's ability to feel and respond to the pain of another person.

SourceNorthwestern University·JournalNeuroImage·DateApr 26, 2010

EyeSmart EyeCheck combats undetected eye disease and visual impairment

A new vision screening model, EyeSmart EyeCheck, will test for damage from eye diseases to detect undiagnosed visual impairment. The initiative aims to raise awareness and provide access to care for minority populations with limited access to health services.

SourceAmerican Academy of Ophthalmology·JournalAmerican Journal of Ophthalmology·DateApr 26, 2010

What's motivation got to do with weight loss?

Researchers found that autonomous motivation, driven by personal reasons, was a significant predictor of adherence and weight loss. The study suggests building motivation can be an effective means of promoting adherence and weight loss.

SourceElsevier Health Sciences·JournalJournal of Nutrition Education and Behavior·DateApr 26, 2010
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.

Periwinkle plants provide ammunition in the war on citrus greening

A team of scientists has turned an ornamental plant into a tool for combating citrus greening, a bacterial disease threatening the world's citrus crop. Periwinkle plants were found to be effective in screening treatments and responded well to antibiotic compounds tested to reduce infection rates.

SourceUnited States Department of Agriculture - Research, Education and Economics·JournalPhytopathology·DateApr 26, 2010

New technique reinforces immune cells that seek and destroy cancer, says Stanford researcher

Stanford researchers have developed a new technique that reinforces immune cells to seek and destroy cancer, potentially improving the efficacy of adoptive immunotherapy. The approach uses synthetic biology to engineer T cells to produce cytokines for themselves, while introducing switches to control their growth.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateApr 26, 2010
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.