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Science News Archive March 2011


Page 21 of 28

MU chemist discovers shortcut for processing drugs

A University of Missouri chemist has discovered a method for manufacturing certain pharmaceutical drugs using pressurized carbon dioxide at room temperature. This new approach could streamline production processes and reduce the need for expensive and time-consuming methods currently used in the industry.

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.

Internet catches updated butterfly and moth website

The U.S. Geological Survey has launched an updated version of its Butterflies and Moths of North America (BAMONA) website, featuring improved data collection and dissemination technologies. Verified sighting records are now immediately available on the site's home page, allowing for more efficient monitoring of pollinator populations.

Vascular brain disorder misdiagnosed as multiple sclerosis

Researchers found a delay in detecting CADASIL, a vascular brain disorder, and diagnosed it as multiple sclerosis in some patients. The study suggests that CADASIL often goes misdiagnosed due to similarities with MS in brain MRIs and symptoms.

Celestron NexStar 8SE Computerized Telescope

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

Identifying 'anonymous' email authors

Researchers at Concordia University have developed a novel technique for identifying anonymous email authors with high accuracy. By analyzing unique patterns in a suspect's emails, they can create a 'write-print' that is like a fingerprint, allowing investigators to determine the author's gender, nationality, and education level.

Brief video training dramatically boosts hands-only CPR attempts

A study by the American Heart Association found that brief video training significantly improves hands-only CPR performance, with over 90% of trained participants attempting CPR in an emergency. The training also showed improved compression rates and depths compared to untrained individuals.

Online nutrition courses: Fad or growing trend?

A new study in the Journal of Nutrition Education and Behavior found that online nutrition education courses can be effective, with students able to gain knowledge and achieve learning outcomes similar to face-to-face learners. However, the study also identified areas for improvement, including the need for more engaging and interactiv...

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.

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.

Curbing cholesterol could help combat infections, study shows

Researchers at the University of Edinburgh have discovered a direct link between cholesterol levels and the immune system's response to viral infections. By lowering cholesterol, the body can starve viruses of the nutrients they need to grow, potentially enhancing the immune system's ability to fight off infections.

Study of 90 animals' thigh bones reveals how they can efficiently carry loads

A study of 90 animal thigh bones reveals how trabeculae lattice structure supports loads in different species, leading to potential development of new, lightweight materials. The research found that trabecular struts vary in geometry depending on animal size, and could be used to create stronger, lighter bodywork for vehicles.

Apple iPhone 17 Pro

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

Oops -- graphene oxide's solubility disappears in the wash

Researchers found that graphene oxide's solubility is not as expected, with most oxygen content being loosely bound and easily removable by a wash with base. The study reveals that models for graphene oxide structure need revisiting, affecting synthesis and application of chemically modified graphene.

It's all in a name: 'Global warming' vs. 'climate change'

A University of Michigan study found that more people believe in 'climate change' than 'global warming', with a difference driven by partisan orientation and question wording. Overall, 74% believed climate change was real when referred to as such, while 68% did so when called global warming.

Sleep-deprived people make risky decisions based on too much optimism

A study found that sleep deprivation leads to increased activity in brain regions assessing positive outcomes and decreased activity in those processing negative outcomes. As a result, sleep-deprived individuals are more likely to choose options with potential gains over those with potential losses.

Big games, close scores lead to more auto fatalities for winning fans

Research from North Carolina State University found that closely contested games result in a significant increase in traffic fatalities, with nail-biter games being the most dangerous. The study, published in Journal of Consumer Research, suggests that competition-induced testosterone may play a role in this increased risk.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

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.

As we sleep, speedy brain waves boost our ability to learn

Researchers found that bursts of brain waves known as 'sleep spindles' may network between key brain regions to clear a path to learning. This networking helps shift fact-based memories from the hippocampus to the prefrontal cortex, freeing up storage space for new data.

Study shows no-till's benefits for Pacific Northwest wheat growers

A study by US Department of Agriculture scientists found that no-till production systems can significantly reduce soil erosion and enhance efforts to protect water quality. The research compared runoff, soil erosion, and crop yields in conventional and no-till winter wheat-fallow systems.

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.

New bowel cancer evidence calls for routine DNA repair test

Researchers found that tumors with defects in DNA repair systems are less likely to recur post-surgery, reducing the need for chemotherapy. The study suggests testing for defective DNA mismatch repair and KRAS gene mutations to guide treatment strategies.

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.

Research finds open-source software is actually more secure for health care IT

Research by the University of Warwick's Institute for Digital Healthcare and UCL Medical School finds that open-source software can provide higher security and quality through public disclosure and community review. This contradicts the common misconception that open-source software is inherently riskier due to its transparency.

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.

1 in 5 children in Sweden is overweight

A recent study by the University of Gothenburg found that one in five children in Sweden is overweight, with urban areas experiencing lower rates of obesity compared to smaller towns and rural areas. The study also highlights the link between low levels of education and overweight children.

AGU journal highlights -- March 7, 2011

Groundwater depletion in California's Central Valley poses a significant threat to the state's economy and food security, with two-thirds of the loss attributed to central valley groundwater depletion. Conversely, corals are expanding their range poleward in temperate areas as seas warm, indicating rapid modifications to coastal ecosys...

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.

Accurate measurement of radioactive thoron possible at last

The Physikalisch-Technische Bundesanstalt (PTB) has developed a primary standard for the measurement of short-lived radioactive thoron, allowing for accurate calibration of thoron measuring instruments. This enables the estimation of risks associated with thoron exposure through its progenies.

Weak supporting evidence can undermine belief in an outcome

Researchers found that weak supporting evidence can make people less likely to believe in an outcome, even if they have no evidence at all. This effect, known as the 'weak evidence effect,' influences professional persuaders and public perceptions of policy.

Smoking abstinence found more effective with residential treatment

A study published in Mayo Clinic Proceedings found that residential treatment for tobacco dependence significantly increases the chances of long-term abstinence. Compared to standard outpatient treatment, residential patients showed a higher success rate, with 52% still not smoking after six months.

Mediterranean diet: A heart-healthy plan for life

The Mediterranean diet has been shown to have beneficial effects on waist circumference, HDL-cholesterol levels, triglycerides, blood pressure, and glucose metabolism. A new study published in the Journal of the American College of Cardiology found that the diet can help prevent metabolic syndrome and its components.

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.

Multiple sclerosis blocked in mouse model

Researchers from Washington University School of Medicine successfully blocked harmful immune cells from entering the brain in mice with a condition similar to multiple sclerosis. The breakthrough discovery, made using an anti-cancer drug, prevents symptoms and provides early evidence for a potential new treatment.

Rainwater harvest study finds roofing material affects water quality

A recent study found that metal and concrete tile roofs produce the highest quality rainwater for indoor domestic use, while asphalt and green roofs contain high levels of dissolved organic carbon. The research highlights the importance of considering roofing material when harvesting rainwater for potable use.

Otters on road to recovery in Andalusia

The study found that otters are more common in areas with moderate human impact, where water quality has improved and prey species like fish and crayfish are abundant. The researchers suggest conserving aquatic habitats to encourage greater distribution of the species.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Scientists find key mechanism of childhood respiratory disease

Researchers discovered a critical link between respiratory syncytial virus and oxidative stress, which causes lung inflammation and damage in children. The study found that the virus blocks the activity of Nrf2, a protein needed for antioxidant enzymes, leading to increased reactive oxygen species and cell killing.

Acupuncture curbs severity of menopausal hot flushes

A small clinical trial suggests traditional Chinese acupuncture can curb the severity of menopausal hot flushes and other symptoms. The treatment showed cumulative benefits, with significant improvements in somatic and psychological symptoms but minimal impact on urogenital symptoms.