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Science News Archive 2011


Page 99 of 311

Scientists utilize breath and sweat to detect trapped humans

Researchers created a simulator of a collapsed building to test portable sensors that use human metabolites, detecting carbon dioxide, ammonia, and volatile organic compounds. The study's findings hold promise for improving detection systems in disaster scenarios.

Study reveals critical similarity between two types of do-it-all stem cells

Researchers at University of Wisconsin-Madison report 99% protein similarity between two types of do-it-all stem cells, shedding light on their potential applications in cell replacement therapies. The study measured over 6,000 proteins using mass spectrometry and provides insights into their biological role.

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.

International study identifies new gene targets for hypertension treatment

An international study identifies 28 new gene regions associated with blood pressure, including a previously unknown physiologic pathway involved in blood pressure control. The findings suggest potential targets for new hypertension drugs and may lead to improved treatment options for cardiovascular complications.

USC scientists generate first detailed map of human neuroreceptor

USC scientists have created the world's first high-resolution images of the α7 receptor, a molecule responsible for transmitting signals between neurons. This breakthrough promises to revolutionize drug design by allowing pharmaceutical companies to target specific receptors instead of using trial-and-error approaches.

Genome-wide hunts reveal new regulators of blood pressure

Researchers identified 29 DNA sequence variations linked to blood pressure, suggesting a complex genetic regulatory mechanism. The study pooled data from over 200,000 people worldwide and found common genetic variants in individuals of Asian and African ancestry.

New coral dating method hints at possible future sea-level changes

A new coral dating method developed by WHOI researcher William G. Thompson provides accurate age estimates for fossil coral reef skeletons in the Bahamas, revealing that sea levels were less stable than previously believed. The study suggests that a similar scenario to the Last Interglacial could occur if current warming trends continue.

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.

A guiding light for new directions in energy production

Optofluidics, the study of microfluidics combined with optics, is poised to revolutionize energy production. By directing light and concentrating its use, optofluidics can increase efficiency in existing systems like biofuel reactors and solar cells, as well as innovate new forms of energy production.

Innovating for every woman, every child

The report emphasizes the importance of self-sustaining supply-demand systems in improving health and wellbeing for marginalized women and children globally. The authors highlight democratising technologies like mobile phones as a key opportunity for local demand to be understood, appreciated, and locally solved.

Dangers of exposure to 'white' light

A new international study reveals that 'white' light bulbs emit shorter wavelengths that suppress melatonin production, causing behavior disruptions and health problems. The researchers recommend limiting the use of 'white' light, adjusting lampposts to reduce light pollution, and using energy-efficient lighting.

Squeezed laser will bring gravitational waves to the light of day

Researchers from Max Planck Society and Leibniz University Hannover have successfully applied the 'squeezed light' method to improve the sensitivity of the GEO600 gravitational wave detector. This new technology reduces shot noise by a factor of two, allowing for more accurate measurements of tiny changes in space-time.

Apple iPhone 17 Pro

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

Discovery of blood pressure genes could help prevent cardiovascular disease

Researchers identified 16 new gene regions associated with blood pressure and confirmed 12 previously discovered ones, providing insights into the genetic mechanisms of hypertension. The study's findings could lead to new therapeutic drug development and improved treatment options for individuals with high blood pressure.

Lithosphere highlights: New research posted Sept. 2

Two studies examine the Jemez-Embudo Accommodation Zone in New Mexico and the Tennessee Salient in Appalachia, shedding light on tectonic processes. Geodynamic models and paleomagnetic data reveal no statistically significant rotation in the Rio Grande Rift and indicate a more complex history of curvature formation.

Changes to distribution of livers for transplant proposed

Transplantation specialists propose changes to liver organ distribution to prioritize patients with high MELD scores and reduce waitlist mortality. The new model aims to rapidly allocate organs to those most in need, ensuring timely delivery and reducing death rates.

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.

Local government, homeowners paying price for non-native forest insects

A recent study by the USDA Forest Service estimates that non-native forest insects, such as the emerald ash borer and Asian longhorned beetle, are causing significant economic damage to urban trees. The study reveals that homeowners and local governments are bearing the greatest share of costs associated with these insects.

Birth control pills affect memory, UCI researchers find

UCI researchers found that hormonal contraceptives improve women's ability to remember the gist of an emotional event, but not the details. This discovery may help explain why women experience post-traumatic stress syndrome more frequently than men.

Groundbreaking DNA tests could trap deer poachers

Researchers at the University of Strathclyde have developed a DNA test that can identify deer poachers by detecting low levels of human DNA on deer carcasses. The test has been shown to be effective in recovering DNA profiles from poached deer remains, with a success rate of less than one in a billion.

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.

Rhythm is it

Researchers have discovered that HCN channels, essential for the heart's electrical signals, are vital for normal repolarization. A new animal model showed a significant reduction in repolarization phase duration when one subtype of HCN channel protein was missing.

Wayne State University researcher to study spinal muscular atrophy

Researchers aim to clarify the role of alpha-synuclein in spinal muscular atrophy (SMA), a genetic disease causing muscle weakness and degeneration. A better understanding of SNCA's role may lead to new therapies for SMA, potentially identifying useful disease markers and advancing neuromuscular disease research.

Homeowners, taxpayers pay billions to fight invasive pests

Invasive tree-feeding insects cause significant economic damage to homeowners, local governments, and the federal government, resulting in estimated annual losses of over $2 billion. The study highlights the need for strengthened regulations and enforcement to protect forests and economies from invasive pests.

Can scientists look at next year's climate?

Researchers at UCLA have developed a new algorithm that improves climate forecast accuracy by 16 months, enabling more precise predictions for agriculture and industry, while also helping identify El Niño events

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.

Cotton's potential for padding nonwovens

Cotton technologist Paul Sawhney and his colleagues investigated using virgin cotton in nonwoven materials. They found that greige cotton, a naturally water-repellent material, can be made absorbent by controlling water pressure during processing.

Diamondback moth host-parasite interaction unraveled

Researchers identified genes expressed when diamondback moth is attacked by parasitic wasp, which could lead to new control measures and resistance management strategies. The study provides a comprehensive analysis of the impact of parasitization on host physiology.

Rebalancing the nuclear debate through education

Brazilian scientist Heldio Villar advocates for better physics teaching and environmental education on radioactivity and nuclear power generation. This approach could lead to a more informed public and reduced reliance on fossil fuels.

Early motor experiences give infants a social jump start

A new study found that providing infants with 'sticky mittens' enhances their interest in faces, indicating advanced social development. This suggests that early motor training can benefit infants at risk for autism spectrum disorders.

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.

New twist in diabetes drugs could reduce life-threatening side effects

Researchers at Dana-Farber Cancer Institute have developed prototype drugs with powerful anti-diabetic effects without the severe side effects of current medications. The new compounds target PPAR-gamma, a metabolic regulator controlling fat cell development, and block phosphorylation to minimize risk.

Researchers find high levels of toxic PCBs in Indiana Harbor and Ship Canal

A recent study found high concentrations of polychlorinated biphenyls (PCBs) in the deep sediments of the Indiana Harbor and Ship Canal, posing a risk to human health and the environment. The discovery was made by researchers from the University of Iowa Health Care, who used submersible vibro-coring systems to collect sediment samples.

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.

Hormone predicts which kidney patients might die early

A blood test measuring fibroblast growth factor-23 (FGF-23) levels can identify kidney disease patients who are at high risk of developing heart problems, needing dialysis, and dying prematurely. FGF-23 levels are strongly associated with key outcomes in CKD patients.

Fermi's latest gamma-ray census highlights cosmic mysteries

The Fermi catalog reveals a mix of known and unknown objects, with active galaxies, pulsars, and supernova remnants making up a large portion. Unassociated sources pose an intriguing mystery, sparking research into new types of gamma-ray-emitting objects.

Invasive forest insects cost homeowners, taxpayers billions

The study estimates $1.7 billion in local government expenditures and $830 million in lost residential property values each year from invasive tree-feeding insects like the emerald ash borer and Asian longhorned beetle. Strengthening regulations and enforcement are crucial to mitigate future costs.

Taming light

Researchers achieve precise control over ultrashort light pulses, enabling the manipulation of electron motion in atoms and molecules. This breakthrough enables new tools for studying sub-atomic processes and understanding atomic interactions.

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.

Fewer than 3 doses of cervical cancer vaccine effective

A new study suggests that Cervarix vaccine may be as effective in preventing cervical cancer with fewer than three doses, offering potential cost and logistics benefits. The researchers found similar protection levels among women receiving one, two, or three doses of the vaccine.

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.

NASA satellite rainmap shows extent of Tropical Storm Lee's heavy rainfall

Tropical Storm Lee caused massive rainfall across central Louisiana, Mississippi, and northern Alabama, with some areas receiving over 250 mm. The TRMM satellite's TMPA analysis showed heavy rains extending inland from the Gulf of Mexico, with Chattanooga Tennessee breaking its all-time 24-hour rainfall record.

GSA Bulletin highlights: New research posted Sept. 2, 2011

Researchers studied arroyo cycles and canyon paleoflood records in Utah, magma formation in the Karakoram shear zone in India, and brine origin in the Alberta Basin. They found that arroyo cycles control chronologies of paleoflood sequences and that magma formation in the Karakoram shear zone provides pathways for removing magma from d...

Celestron NexStar 8SE Computerized Telescope

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

Body clock found to regulate platelet function

Researchers found that the body's internal clock regulates human platelet function, causing a peak in platelet activation corresponding to the morning peak in adverse cardiovascular events. This discovery has potential to address the morning peak in cardiovascular risk and decrease related mortality.

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.

Researchers probe genetic link to blindness

University of Leeds researchers used DNA sequencing techniques to identify a genetic defect in peroxidasin, which causes congenital cataract, corneal opacity, and developmental glaucoma. The discovery may lead to new treatments for adults and children with this form of inherited blindness.

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.

Managing intellectual property a challenge for firms, innovators

Research highlights the need for firms to integrate their patent and business strategies to successfully commercialize multi-invention products. The paper provides a framework for addressing these challenges, including guidelines for choosing from among three types of business models: licensing, componentization, and integration.

Fossil discovery could be our oldest human ancestor

Researchers have confirmed the age of Australopithecus sediba fossils to be 1.98 million years old, making it a strong candidate for our oldest direct human ancestor. The discovery provides new insights into early human evolution and sheds light on the beginnings of the Homo genus.