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Science News for May 23, 2011


Break up of New Orleans households after Katrina

A recent study reveals that households in New Orleans broke up more than double the national rate following Hurricane Katrina. The study found that extended-family households were especially vulnerable to breakups due to their composition and response to economic need.

SourceWiley·JournalJournal of Marriage and Family·DateMay 23, 2011

New research provides insight into how OCD develops

A study at the University of Cambridge found that compulsions lead to obsessions, challenging the traditional understanding of obsessive-compulsive disorder (OCD). The research provides insight into the debilitating repetitive behavior of OCD and could lead to more effective treatments.

SourceUniversity of Cambridge·JournalAmerican Journal of Psychiatry·DateMay 23, 2011

UTHealth researchers find diabetics at higher risk of tuberculosis infection

Researchers at UTHealth found diabetics are three to five times more likely to contract TB than non-diabetics, with 25% of cases attributed to diabetes. Improved diabetes prevention and management, including screening for TB, can benefit both diseases.

SourceUniversity of Texas Health Science Center at Houston·JournalBulletin of the World Health Organization·DateMay 23, 2011
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.

The Four Loko effect

A study published in Perspectives on Psychological Science suggests that Four Loko's unique flavor profile may contribute to its high intoxication rate, rather than caffeine. The 'Four-Loko effect' highlights how unusual flavors can heighten the effects of alcohol, making it more potent.

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateMay 23, 2011

Globalization exposes food supply to unsanitary practices

The American Society for Microbiology warns that globalization is exposing the US food supply to unsanitary practices, particularly in seafood and fresh produce imports. The FDA inspects less than 1% of imported entries annually, highlighting the need for both government verification and industry responsibility.

SourceAmerican Society for Microbiology·DateMay 23, 2011

Universe's not-so-missing mass

A 22-year-old undergraduate student has made a groundbreaking discovery of the Universe's 'missing mass' by detecting filaments in X-ray data. This finding is significant as it proves the prediction that the mass should be low in density but high in temperature, providing valuable insights into large-scale cosmic structures.

SourceMonash University·JournalMonthly Notices of the Royal Astronomical Society·DateMay 23, 2011

More Americans praying about health, study says

A recent study found that prayer about health issues increased dramatically among American adults over the past three decades, with 49% of respondents praying in 2007. The study also revealed correlations between prayer and socioeconomic factors, such as income and education level.

SourceAmerican Psychological Association·JournalPsychology of Religion and Spirituality·DateMay 23, 2011
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.

UTMB researcher receives $3 million NIH grant to study aging in Mexico

Rebeca Wong has been awarded a $3.03 million NIH grant to continue her longitudinal aging study in Mexico, collecting data on thousands of participants across various topics. The Mexican Health and Aging Study aims to compare health outcomes with other national surveys globally.

SourceUniversity of Texas Medical Branch at Galveston·DateMay 23, 2011

Chemical engineers at Stevens invent portable hydrogen reactor for fuel cells

Chemical engineers at Stevens have developed a microreactor that converts fossil fuels into pure hydrogen for fuel cell batteries, offering a reliable and reusable power source. This innovation has the potential to reduce waste from disposable batteries and provide soldiers with a dependable way to recharge critical devices.

SourceStevens Institute of Technology·DateMay 23, 2011

New nanoscale imaging may lead to new treatments for multiple sclerosis

Researchers at UC Santa Barbara developed a new method of nanoscopic imaging that could lead to early detection and diagnosis of multiple sclerosis. The study focused on the myelin sheath, a membrane surrounding nerves compromised in MS patients.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011
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.

'Young, disadvantaged men'

A recent SAGE publication examines how poverty and lack of education affect young, disadvantaged dads, with 68-75% being fathers by age 30. The issue explores solutions to reconnect disconnected dads to their children, improving child and family economic and emotional well-being.

SourceSAGE·JournalThe Annals of the American Academy of Political and Social Science·DateMay 23, 2011

USDA/AIA survey reports 2010/2011 winter honey bee losses

The 2010/2011 winter survey found total losses of 30% from managed honey bee colonies nationwide. Beekeepers reported an average loss of 38.4%, with 61% experiencing losses greater than economically acceptable levels.

SourceUnited States Department of Agriculture - Research, Education and Economics·DateMay 23, 2011

MARC travel award announced for GSA C. elegans meeting

The FASEB MARC Program has announced a $1,650 travel award recipient for the 2011 GSA C. elegans meeting. The program aims to increase underrepresented minorities engaged in biomedical research, with a focus on promoting diversity and inclusion.

SourceFederation of American Societies for Experimental Biology·DateMay 23, 2011
Apple iPhone 17 Pro

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

Replacing the blue bloods

Researchers have discovered liquid crystals that can detect low concentrations of bacterial endotoxin with high sensitivity. This breakthrough has the potential to replace the current LAL assay using horseshoe crab blood, reducing costs and variability associated with the test.

SourceU.S. National Science Foundation·JournalScience·DateMay 23, 2011

Mechanism behind compound's effects on skin inflammation and cancer progression

Researchers at Brigham and Women's Hospital discovered a novel mechanism of action for fluorinated glucosamine, which blocks the synthesis of key carbohydrate structures linked to skin inflammation and cancer progression. This finding has significant implications for developing new treatments against these conditions.

SourceBrigham and Women's Hospital·JournalJournal of Biological Chemistry·DateMay 23, 2011

Tort reform reduces lawsuit risk; establishes framework for quality improvements

A study published in the Journal of the American College of Surgeons found that comprehensive tort reform in Texas resulted in an 80% decrease in surgical malpractice lawsuits and a significant reduction in associated costs. The study, which spanned 18 years, showed that the prevalence of lawsuits dropped from 40/100,000 operations to ...

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateMay 23, 2011

Information overload in drug side effect labeling

Researchers found that complex drug labels contain an average of 70 side effects, with antidepressants and newer treatments having the most reactions. The study aims to improve patient safety by presenting information efficiently to healthcare providers.

SourceIndiana University School of Medicine·JournalArchives of Internal Medicine·DateMay 23, 2011
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.

Antibody-guided drug works against acute lymphoblastic leukemia

A phase II study by the University of Texas M. D. Anderson Cancer Center found that an antibody-guided chemotherapy drug eradicated or greatly reduced ALL cells in 61% of patients with resistant or recurrent disease. This makes it a potential most active single-agent therapy for ALL.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateMay 23, 2011

Particle trap paves way for personalized medicine

Researchers have successfully isolated individual charged particles like DNA molecules using a method called Paul trapping, which could lead to personalized diagnosis and treatment. The device is small, inexpensive, and can be used on a single chip, allowing for rapid testing of patient samples in offices.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011

New Stanford device could reduce surgical scarring

Researchers at Stanford University developed a special wound dressing that significantly reduced scar tissue caused by incisions in animal tests and early clinical trials. The novel 'stress-shielding device' provides uniform compression across the wound, reducing scarring and potentially making surgical revisions more appealing.

SourceStanford Medicine·JournalAnnals of Surgery·DateMay 23, 2011

Researchers discover link between obesity gene and breast cancer

Researchers have discovered a link between a variant of the fat mass and obesity associated gene (FTO) and an increased incidence of breast cancer. The study, published in BMC Medical Genetics, found that people with this genetic variant have a 30% higher chance of developing breast cancer.

SourceNorthwestern Memorial HealthCare·JournalBMC Genetics·DateMay 23, 2011

New genetic testing technology for IVF embryos

Researchers at Johns Hopkins University have developed a new technique to detect both genetic diseases and chromosomal abnormalities in IVF embryos. This method allows for the simultaneous detection of single-gene mutations and aneuploidy, enabling couples to choose healthy embryos for implantation.

SourceJohns Hopkins Medicine·JournalFertility and Sterility·DateMay 23, 2011
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.

JCI table of contents: May 23, 2011

Researchers identified a new probiotic bacteria-derived soluble protein that can protect intestinal cells from inflammation and injury in mice models of colitis. The protein's delivery to the colon provided therapeutic protection against ulcerative intestinal inflammatory disorders.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMay 23, 2011

Penn research overturns theory on how children learn their first words

A team of Penn psychologists overturned the long-standing associative word learning theory, finding that children learn their first words through moments of insight rather than gradual exposure. Experiments involving short video segments showed that repeated exposure did not improve accuracy, and early informative vignettes were crucia...

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011

Researchers model genome copying-collating steps during cell division

The study proposes a novel molecular mechanism for detecting chromosome alignment on the mitotic spindle, preventing errors in cell division. The checkpoint mechanism ensures irreversible progression through the cell cycle, blocking further progress until problems are corrected.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011
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.

CDC assesses potential human exposure to prion diseases

The CDC study found that a significant proportion of respondents had traveled to countries with reported prion diseases, increasing the risk of exposure. Hunting and venison consumption were also associated with increased risk of prion disease exposure, particularly in areas with chronic wasting disease.

SourceElsevier Health Sciences·JournalJournal of the American Dietetic Association·DateMay 23, 2011
Celestron NexStar 8SE Computerized Telescope

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

Discovery opens the door to electricity from microbes

Scientists have identified the molecular structure of proteins enabling bacterial cells to transfer electrical charge, opening the door to efficient microbial fuel cells. The discovery could also lead to the development of microbe-based agents for oil and uranium pollution cleanup.

SourceUniversity of East Anglia·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011

Weight gain between first and second pregnancies increases woman's gestational diabetes risk

Women who gained 2-3 BMI units between the first and second pregnancy were more likely to develop GDM in the second pregnancy. Conversely, women who lost over 6 pounds between pregnancies reduced their risk of developing GDM by approximately 50%. The association was strongest in women who were overweight or obese in their first pregnancy.

SourceKaiser Permanente·JournalObstetrics and Gynecology·DateMay 23, 2011

Common Jupiters?

A recent study using data collected between 2006 and 2007 found evidence for 10 free-floating planets roughly the mass of Jupiter, suggesting they are common. The discovery supports the 'ejection' scenario where planets are kicked out from their solar systems due to close gravitational encounters with other planets or stars.

SourceU.S. National Science Foundation·JournalNature·DateMay 23, 2011

Study links acetaminophen to lower prostate cancer risk

A new study by American Cancer Society researchers found that long-term regular acetaminophen use was associated with a 38% lower risk of prostate cancer. The study suggests that acetaminophen may provide biological clues about prostate cancer development, warranting further research.

SourceAmerican Cancer Society·DateMay 23, 2011

Cultured men are happier and healthier

Regular cultural activities like visiting museums and theatres improve mental health in adults, with receptive cultural activities showing greatest benefits for men. Engaging in creative or active cultural activities also has positive effects on perceived health and well-being.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·DateMay 23, 2011
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.

Used football faceshields are susceptible to breaking on impact

Researchers found that game-worn football faceshields are more susceptible to breaking than new ones, especially when subjected to lower forces of impact. The study recommends routine inspection and replacement of used faceshields to prevent potential eye injuries.

SourceOhio State University·JournalJournal of Optometry·DateMay 23, 2011

Ward to receive Kuiper Prize in planetary sciences

Dr. William R. Ward has made fundamental contributions to understanding how planets and satellites form and dynamically evolve, including the giant impact theory of lunar formation and Mars' polar axis oscillations

SourceSouthwest Research Institute·DateMay 23, 2011
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.

Hubble views the star that changed the universe

The Hubble Space Telescope has observed the historic variable star V1, which helped confirm the size of the universe and its expansion. The observations, conducted in collaboration with amateur astronomers, provide new insights into the properties of Cepheid variables and their role in measuring distances to galaxies.

SourceNASA/Goddard Space Flight Center·DateMay 23, 2011

'Top 5' list helps primary care doctors make wiser clinical decisions

A Penn-led study has identified common clinical activities where changes in practice could lead to higher quality care and better use of finite clinical resources. The 'Top 5' list for internal medicine includes practices such as not overimaging, not overscreening, and using generic statins.

SourceUniversity of Pennsylvania School of Medicine·JournalArchives of Internal Medicine·DateMay 23, 2011

UofL researchers replicate human kidney gene changes in mouse model

Researchers replicated inflammatory gene changes of human kidney progression from mild to severe diabetic nephropathy using a mouse model. The study could lead to new understanding and potential treatments for diabetic nephropathy, the leading cause of kidney failure.

SourceUniversity of Louisville·JournalExperimental Nephrology·DateMay 23, 2011
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.

Whites believe they are victims of racism more often than blacks

According to a new study from Tufts University researchers, whites now perceive anti-white racism as a bigger problem than anti-black racism. Whites agree that anti-black racism has decreased over the last 60 years, while also believing that anti-white racism has increased and is now prevalent.

SourceTufts University·JournalPerspectives on Psychological Science·DateMay 23, 2011

Discovery of canine hepatitis C virus opens up new doors for research on deadly human pathogen

Researchers have identified a novel hepatitis C-like virus in dogs, providing new insights into the origins of the human disease. The discovery offers renewed hope for developing a model system to study HCV's mechanisms and may lead to the development of drugs and vaccines.

SourceColumbia University's Mailman School of Public Health·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011

Common test could help predict early death in diabetes, study shows

A common CT scan test could help identify individuals with diabetes at high risk of early death, who may benefit from targeted medical care and interventions. Researchers found that those with higher levels of calcified plaque buildup in their blood vessels were more than six times more likely to die prematurely.

SourceAtrium Health Wake Forest Baptist·JournalDiabetes Care·DateMay 23, 2011
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.

Novel man-made material could facilitate wireless power

Electrical engineers at Duke University have created a unique metamaterial that theoretically enables efficient wireless power transmission to small and large devices. The material refocuses energy transmitted between devices, reducing power loss and enabling longer-distance energy transfer.

SourceDuke University·JournalPhysical Review B·DateMay 23, 2011

Just 4 percent of galaxies have neighbors like the Milky Way

Researchers found that just four percent of galaxies are similar to the Milky Way, with two satellites as bright and close by as the Magellanic Clouds. The study used data from the Sloan Digital Sky Survey and computer simulations to understand how the Milky Way fits into the broader context of the universe.

SourceU.S. National Science Foundation·DateMay 23, 2011

Eggs, butter, milk -- memory is not just a shopping list

A cognitive psychologist urges memory researchers to consider the complexity of human memory, arguing that simple experimental tasks can oversimplify its nature. He highlights the importance of involuntary reminding, which creates a coherent record of our interactions with the environment.

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateMay 23, 2011

Improving health assessments with a single cell

Researchers have developed a new microchip that can quickly and inexpensively assess immune function by examining biomarkers from single cells. The technology has the potential to be used routinely to monitor immune system performance and evaluate the effectiveness of certain classes of therapeutics, such as vaccines and immunotherapies.

SourceCalifornia Institute of Technology·JournalNature Medicine·DateMay 23, 2011
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Mummies tell history of a 'modern' plague

An analysis of ancient Nubian-era mummies found that human alteration of the environment contributed to the spread of schistosomiasis, a water-borne parasitic disease infecting an estimated 200 million people today. The study suggests that ancient individuals were capable of altering their environment in ways that impacted their health.

SourceEmory Health Sciences·JournalAmerican Journal of Physical Anthropology·DateMay 23, 2011
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.

Protein from probiotic bacteria may alleviate inflammatory bowel disorders

Researchers discovered a protein isolated from beneficial bacteria, called p40, that supports intestinal epithelial cell growth and function, reducing inflammatory responses. Oral consumption of p40 prevented and treated colitis in animal models, providing a potential new therapeutic option for IBD.

SourceVanderbilt University Medical Center·JournalJournal of Clinical Investigation·DateMay 23, 2011

Shave biopsy is a safe and acceptable method for initial evaluation of melanoma

A study published in the Journal of the American College of Surgeons found shave biopsies to be a safe and accurate method for initial evaluation of melanoma. The study analyzed 600 consecutive patients who underwent shave biopsies, revealing that 97% of the results were accurate in determining T-stage and depth data.

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateMay 23, 2011
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.

Low-risk patients screened for heart disease tend to receive more preventive care and testing

A study published in Archives of Internal Medicine found that low-risk patients who underwent coronary computed tomographic angiography (CCTA) screening were more likely to receive medications and undergo additional testing. However, their cardiac event rates did not significantly differ from those who did not undergo screening.

SourceJAMA Network·JournalArchives of Internal Medicine·DateMay 23, 2011

Dr. Knut Stamnes at Stevens receives NASA grant for environmental monitoring

The grant enables scientists to monitor the world's oceans and track changes in coastal or maritime systems, supporting a more sophisticated understanding of global climate change. Dr. Stamnes' algorithms will also aid in exploring issues related to polarization, scattering, and refraction of light in atmosphere-ocean systems.

SourceStevens Institute of Technology·DateMay 23, 2011

What doesn't kill the brain makes it stronger

A Johns Hopkins team has identified a newly discovered protein called Iduna that protects the brain against stroke and neurologic disorders. The protein works by interrupting a cascade of molecular events that result in cell death, and its presence increases three- to four-fold in preconditioned mouse brain tissue.

SourceJohns Hopkins Medicine·JournalNature Medicine·DateMay 23, 2011
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.

Fungi reduce need for fertilizer in agriculture

Mycorrhizal fungi can increase plant growth with less phosphate fertilizer, solving a pressing challenge for global food production. Researchers have discovered that using mycorrhizal fungus gel can produce the same yield as traditional farming with up to half less phosphate fertilizer.

SourceAmerican Society for Microbiology·DateMay 23, 2011

NIH scientists identify most proteins made by parasitic worm

A team of NIH scientists has identified the most proteins produced by Brugia malayi, a parasitic worm that causes lymphatic filariasis. The findings may lead to the development of new vaccines and treatments for the disease, which can cause severely disabling swelling in the lower limbs.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011
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.

To bluff, or not to bluff? That is the question

A University of Miami economist applied modern-day game theory techniques to examine famous military bluffs and find that bluffing was the optimal strategy in each situation. The study used signaling games to model the legends of Li Guang and Zhuge Liang, finding that uncertainty was key to avoiding confrontation.

SourceUniversity of Miami·JournalJournal of Peace Research·DateMay 23, 2011