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Science News for May 29, 2012


New mini-sensor measures magnetic field of the brain

A new mini-sensor, Chip-scale Atomic Magnetometer (CSAM), has successfully measured the magnetic field of the human brain. The sensor's room temperature operation capability makes it more versatile than conventional cryoelectronics, which are limited to low temperatures.

SourcePhysikalisch-Technische Bundesanstalt (PTB)·JournalBiomedical Optics Express·DateMay 29, 2012
Apple iPhone 17 Pro

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

Building 45 payloads for balloon mission

BARREL aims to measure X-rays produced by charged particles entering Earth's atmosphere, helping scientists understand risks to spacecraft and humans in space. The 45 payloads will be launched on balloons around Antarctica as part of a NASA mission, combining with RBSP measurements for more accurate data.

SourceNASA/Goddard Space Flight Center·DateMay 29, 2012

Nowhere to hide: New device sees bacteria behind the eardrum

A new medical imaging device has been developed to diagnose and treat chronic ear infections by detecting biofilms behind the eardrum. The device uses optical coherence tomography and can identify biofilms in patients with chronic infections, but not those with normal ears.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateMay 29, 2012

New study shows why swine flu virus develops drug resistance

A new study published in Biochemistry found that the swine flu virus H1N1-2009 develops resistance to drugs Relenza and Tamiflu by mutating its NA enzyme, specifically the '150-loop' region. This mutation reduces drug effectiveness by 21 times for Relenza and 12,374 times for Tamiflu.

SourceUniversity of Bristol·JournalBiochemistry·DateMay 29, 2012

Where not to have a heart attack in Australia

A new index reveals that 71% of Australians live near specialist hospital care and four types of aftercare within an hour's drive. However, rural and remote communities face significant challenges in accessing cardiac care, with Indigenous people living at a lower rate than non-Indigenous Australians.

SourceQueensland University of Technology·JournalCirculation·DateMay 29, 2012
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Commonly used painkillers may protect against skin cancer

A new study suggests that long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin can decrease the risk of squamous cell carcinoma and malignant melanoma. The findings indicate a potential cancer-protective effect of NSAID use, which should be considered when discussing benefits and harms.

SourceWiley·JournalCancer·DateMay 29, 2012

Scientists discover gene which causes rare disease in babies

Researchers identified 20 distinct mutations in a specific gene causing Familial Glucocorticoid Deficiency (FGD), leading to cortisol production issues. The antioxidant gene NNT provides a new mechanism for this adrenal disease, potentially opening doors to treating other diseases.

SourceQueen Mary University of London·JournalNature Genetics·DateMay 29, 2012
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.

NIH scientists identify new HIV-inhibiting protein

Researchers have identified a new HIV-suppressing protein called CXCL4, which binds to the outer coat of the virus and prevents it from entering human cells. This discovery may provide new insights into treating and preventing HIV disease progression.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateMay 29, 2012

Old aerial photos supply new knowledge on glaciers in Greenland

Researchers from University of Copenhagen analyzed 80-year-old aerial photos to study glacial evolution in Greenland. The results show that glaciers can recover within a short timeframe if temperatures decrease, contradicting current global warming models.

SourceUniversity of Copenhagen·JournalNature Geoscience·DateMay 29, 2012
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.

Chemical fingerprinting tracks the travels of little brown bats

A novel technique using stable hydrogen isotopes enabled researchers to determine the summer origins of tens of thousands of bats hibernating in three Michigan mines. This could help predict and manage the spread of white-nose syndrome by identifying connected hibernation sites.

SourceMichigan Technological University·JournalEcological Applications·DateMay 29, 2012

Progress of arachidonic acid biosynthesis in microorganisms

Researchers have successfully developed a genetically modified microorganism that produces high levels of arachidonic acid, a key fatty acid essential for infant nutrition. The microorganism, produced through ion beam mutation breeding, has shown promise for industrial application and potential use as a sustainable bio-diesel source.

SourceScience China Press·JournalChinese Science Bulletin·DateMay 29, 2012

16th-century Korean mummy provides clue to hepatitis B virus genetic code

A 16th-century Korean child's mummified liver has revealed a unique hepatitis B virus (HBV) genotype C2 sequence common in Southeast Asia, providing insight into the virus's evolution and spread. The ancient genome is the oldest full viral genome described in scientific literature.

SourceThe Hebrew University of Jerusalem·JournalHepatology·DateMay 29, 2012
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.

Trafficked women experience violence and poor health

A systematic review found that trafficked women experience high levels of physical and sexual violence, as well as anxiety, depression, and post-traumatic stress disorder. The study also highlights the lack of evidence on the health consequences experienced by trafficked children, men, and individuals trafficked for labor exploitation.

SourcePLOS·JournalPLOS Medicine·DateMay 29, 2012

STeleR study: Telerehab improves functioning after stroke

Researchers developed STeleR, a home telerehabilitation program that improves lower body physical functioning after a stroke. Participating in STeleR also enhances money management skills and improves daily living abilities.

SourceIndiana University School of Medicine·JournalStroke·DateMay 29, 2012

NASA satellites watch Tropical Storm Beryl

Tropical Storm Beryl formed off the Carolina coast and was monitored by NASA satellites. The storm made landfall near Jacksonville, Florida, causing heavy rainfall and dangerous surf conditions in nearby areas.

SourceNASA/Goddard Space Flight Center·DateMay 29, 2012

IU bisexuality studies focus on health, behavior and identity

Researchers at Indiana University have conducted two studies on bisexual individuals, finding that women who identify as bisexual or lesbian report better health when their sexual identity matches their recent sexual history. In contrast, queer-identified women's mental, physical, and sexual well-being is not related to the gender of t...

SourceIndiana University·JournalJournal of Bisexuality·DateMay 29, 2012
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.

50-year cholera mystery solved

Researchers at the University of Texas at Austin have uncovered the mechanism behind V. cholerae's resistance to human immune responses. The discovery could lead to the development of a new class of antibiotics that target the bacteria's defenses, rather than directly killing them.

SourceUniversity of Texas at Austin·JournalProceedings of the National Academy of Sciences·DateMay 29, 2012

Livestock industry beefs up Illinois's economy

The Illinois livestock industry contributes significantly to the state's economy, generating over 25,000 jobs and $3.5 billion in production. The report also highlights the importance of strategic partnerships between the livestock industry and meat and dairy processing sectors.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·DateMay 29, 2012

Use of stun guns increases injuries

Studies found that stun gun use increases citizen injuries by 41% when solo and 47% when paired with other force methods, but officer safety is also heightened

SourceUniversity of Central Florida·JournalJustice Quarterly·DateMay 29, 2012

Greenland's current loss of ice mass

Research reveals Greenland's ice sheet is losing mass at an unprecedented rate, with melting and calving processes increasing by 0.07mm/year annually since 2005. The study provides insights into the impact of regional weather patterns on ice sheet dynamics.

SourceHelmholtz Association·JournalEarth and Planetary Science Letters·DateMay 29, 2012
Fluke 87V Industrial Digital Multimeter

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

Blocking LRRK2 activity is not a simple answer to Parkinson's disease

Research on LRRK2 protein mutation G2019S reveals potential drawbacks of blocking its kinase activity. In a study published in Molecular Neurodegeneration, deleting the kinase domain of LRRK2 led to changes in motor coordination and anxiety-like behaviors in mice without affecting dopamine signaling.

SourceBMC (BioMed Central)·JournalMolecular Neurodegeneration·DateMay 29, 2012

Discovery of historical photos sheds light on Greenland ice loss

Researchers analyzed 80-year-old photo plates and found that glaciers were melting faster today than in the 1930s, with most glaciers retreating at an average of 20 meters per year. A brief cooling period in the mid-20th century allowed new ice to form before accelerating again.

SourceOhio State University·JournalNature Geoscience·DateMay 29, 2012
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.

Got nectar? To hawkmoths, humidity is a cue

Researchers discovered that hawkmoths can detect minuscule differences in humidity near flowers to determine if they have enough nectar. This allows the moths to quickly evaluate flowers and avoid wasting energy on unprofitable ones.

SourceUniversity of Arizona·JournalProceedings of the National Academy of Sciences·DateMay 29, 2012
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

GW researchers discover biomarker for advanced bile duct fibrosis and bile duct cancer

Researchers have identified a biomarker for advanced bile duct fibrosis and bile duct cancer caused by the Asian Liver Fluke, allowing for earlier detection and potentially saving lives. The Thai Ministry of Health has implemented testing for this biomarker in endemic regions to identify individuals at risk.

SourceGeorge Washington University Medical Center·JournalPLOS Neglected Tropical Diseases·DateMay 29, 2012

Is California preparing for climate change?

A majority of California's coastal planners acknowledge the need to prepare for climate change impacts like rising sea levels and increased floods. Despite challenges such as limited funding and staff resources, many professionals are actively planning and trying to understand their climate change risks.

SourceStanford University·DateMay 29, 2012

Female fat prejudice persists even after weight loss, study finds

A study found that female fat prejudice persists even after weight loss, with participants viewing thin women with a weight loss history as less attractive. The researchers also discovered that negative attitudes towards obese people increase when participants are falsely told that body weight is easily controllable.

SourceUniversity of Manchester·JournalObesity·DateMay 29, 2012
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.

Significantly higher hospital costs found for surgical patients who smoke

Researchers found that smoking contributes to higher hospital costs for surgical patients, with an estimated $900 added cost per patient. The study suggests the need for preoperative behavioral interventions targeting smoking cessation to improve surgical outcomes and reduce healthcare costs.

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateMay 29, 2012

Iconic New Zealand reptile shows chewing is not just for mammals

The tuatara's unique chewing technique, using its lower jaw to slice food apart, raises doubts about the link between chewing and high metabolism in mammals. This specialized mechanism allows the tuatara to eat a wide range of prey, including beetles, spiders, and small lizards.

SourceUniversity College London·DateMay 29, 2012

21st century bloodletting reduces cardiovascular risk

Researchers found that two bloodletting sessions improved blood pressure, glucose levels, and cholesterol ratios in obese individuals with metabolic syndrome. Blood donation may prevent diabetes and cardiovascular disease in these patients.

SourceBMC (BioMed Central)·JournalBMC Medicine·DateMay 29, 2012

Copper-nickel nanowires could be perfect fit for printable electronics

Duke University chemists created copper-nickel nanowires with improved stability and conductivity compared to plain silver and copper. The new material is an attractive option for printed electronics applications, including solar cells, LEDs, and clothing. Its low cost and high speed make it suitable for mass production.

SourceDuke University·JournalNano Letters·DateMay 29, 2012
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.

Study reveals how the world's first drug for amyloid disease works

The study reveals that tafamidis works by stabilizing the transthyretin (TTR) protein tetramer, preventing it from aggregating into amyloids. This stabilization prevents nerve destruction in polyneuropathy patients and delays disease progression.

SourceScripps Research Institute·JournalProceedings of the National Academy of Sciences·DateMay 29, 2012

The Mediterranean diet is definitively linked to quality of life

A study of over 11,000 university students found that adhering to the Mediterranean diet increased scores on quality of life questionnaires, particularly for physical well-being. The diet's emphasis on fruits, vegetables, whole grains, and healthy fats was associated with better mental health outcomes.

SourceSpanish Foundation for Science and Technology·JournalEuropean Journal of Clinical Nutrition·DateMay 29, 2012

Freecycling has viral effect on community spirit and generosity

A growing number of recession-weary Americans are shifting towards 'gift economies' built on freebies and community spirit. Online gift-giving communities like Freecycle generate strong feelings of solidarity and identification, driving people to give more gifts in the system.

SourceUniversity of California - Berkeley·JournalAdministrative Science Quarterly·DateMay 29, 2012

Diabetes drug could be a promising therapy for traumatic brain injury

Researchers found that Exendin-4 significantly minimizes damage in TBI animal models when administered shortly after the incident. The breakthrough discovery is a step towards developing a cocktail of medications to prevent as much brain damage as possible following injury.

SourceAmerican Friends of Tel Aviv University·JournalExperimental Neurology·DateMay 29, 2012

Typhoon Sanvu had a bad weekend

Typhoon Sanvu transformed into an extra-tropical storm due to cooler sea surface temperatures and wind shear, weakening it significantly. The storm passed Chichi Jima island on May 27, with most rainfall pushed to the northeast of its center.

SourceNASA/Goddard Space Flight Center·DateMay 29, 2012
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.

The first chemical circuit developed

Researchers at Linköping University have developed the first chemical circuit, combining ion transistors to control and transport ions and charged biomolecules. This breakthrough enables chemical control of muscles and signaling systems in the human body, with potential applications for treating diseases.

SourceLinköping University·JournalNature Communications·DateMay 29, 2012

Mathematicians can conjure matter waves inside an invisible hat

A team of international mathematicians has devised an amplifier that can boost light, sound, or other waves while hiding them inside an invisible container. The researchers propose using this technology to manipulate matter waves, which could enable the creation of a quantum microscope to monitor electronic processes on computer chips.

SourceUniversity of Washington·JournalProceedings of the National Academy of Sciences·DateMay 29, 2012

Why chemotherapy fails

A study by Weizmann Institute scientists reveals that leukemia recurrence is often caused by 'cancer stem cells' that divide slowly, evading chemotherapy drugs. These cells can give rise to new rapidly-dividing cancer cells, making them a key target for new treatment approaches.

SourceWeizmann Institute of Science·JournalBlood·DateMay 29, 2012

After 25 years, World No Tobacco Day is making an impact

A new study found that World No Tobacco Day significantly increases interest in quitting smoking, with cessation news coverage and Internet search queries peaking on the anniversary day. The research also suggests that low- and middle-income countries can benefit from increased awareness and inspiration to quit tobacco.

SourceJohns Hopkins Bloomberg School of Public Health·JournalJournal of Medical Internet Research·DateMay 29, 2012
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

DFG establishes 20 new Collaborative Research Centres

The DFG is establishing 20 new Collaborative Research Centres to tackle ambitious, long-term projects. The centres aim to improve our understanding of stress responses, develop new therapies for multiple sclerosis, and increase efficiency in gas turbines.

SourceDeutsche Forschungsgemeinschaft·DateMay 29, 2012

Tendency of operational routines to falter is widespread but fixable

A new study by a University of Illinois expert reveals that operational routines tend to move towards higher entropy due to complacency and lack of checks and balances. The research also found that mergers can cause decay in adherence to routines, while acquisitions by healthier firms can serve as a renewal.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalOrganization Science·DateMay 29, 2012

Defense funding awarded to 4 Scripps Oceanography researchers

The Navy awarded nearly $4.5 million to six research projects led by Scripps Institution of Oceanography researchers, including Eric Terrill, to acquire instruments from California and Massachusetts manufacturers. The funding will support studies in coastal oceanography, deep-ocean acoustics, and other areas.

SourceUniversity of California - San Diego·DateMay 29, 2012

Cancerous tumors deliver pro-metastatic information in secreted vesicles

Researchers discovered that cancer cells release exosomes containing pro-metastatic proteins that fuse with distant organs, establishing a nurturing environment for tumor growth. This discovery offers fresh diagnostic and treatment potential, including the use of exosomal protein profiles to predict tumor aggressiveness.

SourceNewYork-Presbyterian·JournalNature Medicine·DateMay 29, 2012
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.

Speeding up drug discovery with rapid 3-D mapping of proteins

Researchers at Salk Institute create cell-free expression system to synthesize and analyze integral membrane proteins, solving their three-dimensional structures in just 18 months. This breakthrough enables precise biochemical mechanisms understanding and targets the proteins with new drugs.

SourceSalk Institute·JournalNature Methods·DateMay 29, 2012

Study finds emissions from widely used cookstoves vary with use

A new study found that emissions from cookstoves are highly dependent on how they are used, and laboratory tests do not accurately reflect real-world operations. The research team developed a real-time analysis technique called Patterns of Real-Time Emissions Data (PaRTED) to measure emissions under different operating conditions.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalEnvironmental Science & Technology·DateMay 29, 2012

Community and health system approaches improves mental health in Afghanistan

A case study from Afghanistan reports a substantial increase in mental health consultations, from 659 to 20,000, after integrating psychosocial problems into basic health services. The authors argue that concurrent community-based approaches and capacity building are crucial for fostering structural changes within the healthcare system.

SourcePLOS·JournalPLOS Medicine·DateMay 29, 2012
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.

Leading statistician receives national citation award

Walter and Eliza Hall Institute researcher Professor Terry Speed was awarded the 2012 Thomson Reuters Citation Award in Biochemistry and Molecular Biology. His research has been cited more than other Australian researchers, with applications to infection, immunity, inherited diseases, and cancer.

SourceWalter and Eliza Hall Institute·DateMay 29, 2012

Too much vitamin D can be as unhealthy as too little

A study of over 247,000 Copenhageners found higher mortality rates for both too little and too much vitamin D in the blood. The results challenge long-held assumptions about the essential nutrient's benefits.

SourceUniversity of Copenhagen·JournalThe Journal of Clinical Endocrinology & Metabolism·DateMay 29, 2012

Better urban planning is essential to improve health of the 60 percent of the global population that will be living in cities by 2030

The Lancet Commission on Healthy Cities highlights the need for active planning to address urban health issues, with examples from Mumbai, London, and Bogota. The report recommends five key recommendations to improve urban health, including building political alliances and experimenting with diverse urban health projects.

SourceThe Lancet_DELETED·JournalThe Lancet·DateMay 29, 2012

World's largest release of comprehensive human cancer genome data helps speed discoveries

The St. Jude Children's Research Hospital has released the world's largest comprehensive human cancer genome data, exceeding volume of all other sources combined. This valuable information is available for free access by researchers, accelerating disease research and potentially leading to new treatment options for childhood cancers.

SourceSt. Jude Children's Research Hospital·JournalNature Genetics·DateMay 29, 2012
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.

Why do Scots die younger?

A study published in Public Health found that Scotland's higher mortality rates may be linked to the political direction of past decades, rather than single factors like smoking or poor diet. The researchers identified a range of potential explanations, including climate change and economic inequality.

SourceElsevier·JournalPublic Health·DateMay 29, 2012

New federal disclosure law may have little impact on drugs prescribed

A Colorado School of Public Health researcher found that a new federal disclosure law has little effect on the prescribing of certain medications, including statins and SSRIs. The study suggests that transparency is important but may not be enough to deter physicians from accepting payments from pharmaceutical companies.

SourceUniversity of Colorado Anschutz Medical Campus·JournalArchives of Internal Medicine·DateMay 29, 2012

Short movies stored in an atomic vapor

Researchers at Joint Quantum Institute store and replay two separate images, a feat of cinematography, using a room-temperature vapor of atoms. The new storage process has great promise for quantum information and may lead to the development of a random access memory for continuous variable quantum information.

SourceJoint Quantum Institute·JournalOptics Express·DateMay 29, 2012

New drug strategy attacks resistant leukemia and lymphoma

Scientists develop a synthetic peptide that disables cancer cells' survival defenses by targeting protein targets, suppressing cancer growth in mice. The compound's synergistic anti-cancer activity with other drugs holds promise for treating relapsed and refractory blood cancers.

SourceDana-Farber Cancer Institute·JournalJournal of Clinical Investigation·DateMay 29, 2012
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.

Gum disease joins hot flashes and PMS associated with women's hormones

A comprehensive review by Charlene Krejci found female hormones fluctuate throughout women's lives, allowing bacteria to grow and exacerbate conditions like bone loss and pre-term births. Women need to be vigilant about maintaining healthy teeth and gums to prevent or lessen severity of these health issues.

SourceCase Western Reserve University·DateMay 29, 2012

OHSU Oregon National Primate Research Center develops new, safer method for making vaccines

Researchers at Oregon Health & Science University's ONPRC have discovered a new method for creating vaccines that is thought to be safer and more effective than current approaches. The approach uses hydrogen peroxide to inactivate viruses for use as vaccines, showing protective vaccine-induced immunity against three diseases: West Nile...

SourceOregon Health & Science University·JournalNature Medicine·DateMay 29, 2012

Does dinner make a strong family, or does a strong family make dinner?

A Cornell University study found that the perceived benefits of family meals on teen well-being may not be as strong or lasting when controlled for other aspects of the family environment. Family resources and relationships are key factors in facilitating regular family dinners.

SourceCornell University·JournalJournal of Marriage and Family·DateMay 29, 2012