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Science News Archive 2010


Page 141 of 283

Using ultrasound to control toxic algal blooms

Researchers at the University of Adelaide are exploring ultrasound to combat blue-green algae blooms in water supplies, a significant global problem. They aim to develop an environmentally friendly and cost-effective method using low-amplitude ultrasound to immobilize the algae without releasing toxins.

Scientists design new delivery device for gene therapy

Researchers create nanoparticle that effectively delivers genetic material into cells, outperforming existing methods. The device, a vector, is between 2 ½ and 10 times more effective than other experimental materials, according to the research.

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.

Changing climate could alter meadows' ecosystems, says ISU researcher

A study by ISU researcher Diane Debinski found that drought conditions could lead to a shift from flowering plants to shrubs in montane meadows. This change could impact wildlife populations, including elk, bison, and pollinators like butterflies. Medium-moisture meadows may be particularly vulnerable to climate change.

Shocking results from diamond anvil cell experiments

Researchers achieved unprecedented pressures, temperatures, and time scales to study metastable states of argon under ultra-high pressure. This technique allows for direct comparison with molecular dynamics simulations and expands our understanding of planetary interiors and exotic behavior.

Celestron NexStar 8SE Computerized Telescope

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

The Framingham Heart Study -- global impact, ongoing influence

The Framingham Heart Study has had a profound impact on the understanding and prevention of cardiovascular disease. The study's findings have led to significant reductions in cardiovascular mortality rates worldwide, particularly in the United States. Its legacy continues to shape public health initiatives globally.

New study confirms positive effects of delayed school start times

A study at a small private high school in Rhode Island found that delaying school start time by 30 minutes improved adolescent alertness, mood, and health. The researchers observed significant increases in sleep duration, decreases in daytime sleepiness, and improvements in motivation.

Isolation a threat to Great Barrier Reef fish

Research suggests that small and isolated reefs are more susceptible to local species extinctions due to variable fish populations. Larger, connected habitats see fewer fluctuations in population sizes, making them more resilient to changes.

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.

Water's unexpected role in blood pressure control

Researchers at Vanderbilt University Medical Center have discovered that water increases the activity of the sympathetic nervous system, raising alertness, blood pressure, and energy expenditure. Drinking water may also reduce fainting responses in blood donors by 20 percent, according to the study.

Apple iPhone 17 Pro

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

Intrahepatic clear cell cholangiocarcinoma

A case report describes a rare instance of intrahepatic clear cell cholangiocarcinoma, highlighting its distinct characteristics and low risk of metastasis. The cancer's unique cell structure and lack of mucin production set it apart from conventional HCCs.

Bacterial diversity of Tablas de Daimiel studied for first time

Researchers studied the bacterial community structure in four environments of the Tablas de Daimiel National Park, revealing similarities and differences between them. The study found 265 new phylum groups, including those related to Proteobacteria, which are abundant in the superficial sediment sample.

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.

Want to slow aging? New research suggests it takes more than antioxidants

A new study published in Genetics found that mutations in 10 different genes of worms can extend lifespan without reducing oxidative stress. This discovery challenges the long-held notion that oxidative stress is responsible for aging and suggests a slow rate of metabolism may be key to increasing longevity.

Head and spine trauma from ATV accidents cost $3.24 billion annually

ATV accidents result in severe head and spine trauma, costing $3.24 billion annually, with children under 20 years old accounting for 42% of these injuries. The study highlights the need for improved ATV stability, increased helmet use, and rider training to reduce the risk of such accidents.

Nano-sized light mill drives micro-sized disk

Researchers have created a nano-sized light mill motor that can control rotational speed and direction by tuning incident light waves. The motor's power density is high, and it can be used to drive micro-scale objects, enabling new applications in nanotechnology and biology.

Competition is a double-edged sword for teenage girls

A study by Dr. David Hibbard and Dr. Duane Buhrmester found that competing to win is detrimental to teenage girls' social relationships and well-being, while competing to excel has no gender differences in its effects. Competing to excel benefits both genders, improving self-esteem and reducing depression.

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.

Searching for causes of neural disconnection in schizophrenia

Studies found higher and lower levels of genes regulating spine plasticity in individuals with schizophrenia. These alterations may contribute to layer-specific deficits in dendritic spines, a structural abnormality relevant to the disorder. Further research aims to develop new treatments targeting these disturbances.

The long-term fate of the oil spill in the Atlantic

Researchers used computer simulations to study the possible spread of the Deepwater Horizon oil spill in the Atlantic over a year. The study found that about 20% of the initial particles had been transported through the Straits of Florida and into the open Atlantic by October 2010.

Length of biological marker associated with risk of cancer

A new study reveals that shorter leukocyte telomere length is associated with a significantly increased risk of developing cancer and dying from cancer. Participants with the shortest telomere lengths had approximately three times the risk of cancer compared to those in the longest group.

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.

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.

Study measures single-molecule machines in action

A multidisciplinary team observes single-molecule interactions of bistable rotaxanes functioning in their native environment, enabling detailed studies of molecular machines. This breakthrough enables greater understanding of how they interact with their neighbors and might work together in nanoelectromechanical devices.

Researchers identify factors behind blood-making stem cells

Researchers at the University of Montreal have identified three proteins that regulate blood cell production and one protein that inhibits it. Understanding these factors is crucial for developing novel therapies to treat diseases caused by abnormal blood-making stem cells.

Lone whales shout to overcome noise

Research reveals that North American right whales adjust their calls in response to increased ocean noise levels, maintaining signal-to-noise ratio while incurring costs. This adaptation is crucial for successful communication in a noisy ocean, but its long-term effects on whale behavior and population health remain uncertain.

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.

Diagnostic blood test can identify rare lung disease

Researchers have developed a diagnostic blood test that can identify lymphangioleiomyomatosis (LAM), a rare but serious lung disease affecting women. The test analyzes serum VEGF-D levels, showing high accuracy in diagnosing LAM, and may help screen for the disease in women with Tuberous Sclerosis Complex.

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.

Map of herpes virus protein suggests a new drug therapy

Scientists have mapped the herpes virus protein complex that allows it to invade cells, revealing a new target for antiviral drugs. This breakthrough could lead to the development of new therapeutics to restrict herpes virus access to mammalian cells.

Maternal diet and genes interact to affect heart development

Research suggests that a pregnant mother's diet can interact with her child's genetic predispositions to affect the type or severity of birth defects, including congenital heart disease. A high-fat diet has been shown to increase the risk of this condition in mice offspring, highlighting the importance of a balanced diet during pregnancy.

Reversible watermarking for digital images

Researchers developed a reversible watermarking system to verify the authenticity of digital images without modifying them. The system uses a Hash Message Authentication Code (HMAC) to embed and extract watermark bits, allowing for lossless data integrity verification.

Fluke 87V Industrial Digital Multimeter

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

Carbon emissions threaten fish populations

Researchers warn that rising CO2 levels could dramatically change the behavior of baby fish, making them more susceptible to predators and decreasing their chances of survival. This shift is expected to have serious implications for the sustainability of fish populations, threatening food security as a result.

Elsevier announces new edition of Infectious Diseases

The new edition of Infectious Diseases provides comprehensive guidance on overcoming the latest clinical infectious disease challenges, including updates on H1N1 and avian influenza viruses. The book's editorial team offers regular content updates, case studies, and an interactive disease outbreak map.

New study contradicts negative perceptions of menopause

A new study from the University of Sheffield found that social and psychological factors have a bigger impact on women's sex lives during menopause than previously thought. The research suggests that individual experiences vary greatly, with external factors like relationships and care-giving playing a significant role.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Gender gap persists at highest levels of math and science testing

Researchers found a persistent gender gap in math and science performance among the most talented seventh graders, with boys outnumbering girls by 3-to-1 at extremely high levels. However, the gap has narrowed considerably over time, and girls slightly outnumber boys at higher levels of verbal reasoning and writing ability.

Transformation optics make a U-turn for the better

Researchers from Berkeley Lab and UC Berkeley have developed a novel approach to transformation optics, allowing for the manipulation of near-field optical waves on uneven surfaces. This breakthrough enables the design of plasmonic devices such as beam splitters, shifters, and directional light emitters.

Rhythm of life: Music shows potential in stroke rehabilitation

A Cochrane Systematic Review found that music therapy, specifically rhythmic auditory stimulation (RAS), can improve walking speed and arm movements in stroke patients. RAS therapy was shown to be more effective than standard movement therapy, with an average improvement of 14 metres per minute.

Recommendations for treatment of inherited lung disease are unjustified

A systematic review by Cochrane Researchers concludes that alpha-1 antitrypsin replacement therapy has no clinically important effect on lung function, may cause modest harm, and is extremely expensive. The treatment should not be recommended due to the lack of evidence and potential adverse effects.

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.

Bacterial communication encourages chronic, resistant ear infections

Researchers found that bacterial communication promotes persistence and resistance to antibiotics in ear infections caused by multiple bacteria species, particularly Haemophilus influenzae and Moraxella catarrhalis. Disrupting this communication could lead to effective treatments for chronic ear infections.