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Science News Archive April 2010


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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

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.

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.

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.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

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.

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...

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.

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.

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.

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.

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.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.