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Science News Archive 2011 - Page 144


Page 144 of 311

Time and numbers mix together in the brain

A new study found that people associate small numbers with short time intervals and large numbers with longer intervals, indicating a brain-wide connection. This association affects how individuals perceive time, with larger numbers leading to slower time perception.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJul 19, 2011
Apple iPhone 17 Pro

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

Plenary speakers address challenges in the delivery of sustained antiretroviral therapy in developing countries, call for social scientists to take their place at the HIV/AIDS policy-making table, and stress the need for a long-term response to AIDS

Researchers stress need for long-term response to AIDS, citing financing, retention, and socio-political instability as major challenges. Social scientists urged to take part in policy-making table.

SourceInternational AIDS Society·DateJul 19, 2011

Vascular disease management increasingly important

The latest evidence-based vascular medicine provides comprehensive guidance on managing noncardiac vascular diseases, including PAD, carotid stenosis, renal artery stenosis, chronic mesenteric ischemia, and critical limb ischemia. The series of articles offers expert clinicians the tools they need to improve patient care.

SourceElsevier Health Sciences·JournalProgress in Cardiovascular Diseases·DateJul 19, 2011
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Married men seek treatment sooner for heart attacks

A study found that married men seek medical care sooner for heart attacks than their single counterparts. Men in marriage experience faster arrival times at the emergency department, highlighting potential benefits of marriage on health outcomes.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJul 18, 2011

Study examines factors in pediatric kidney transplant rejection

A retrospective cohort study examines the relationship between HLA-DR mismatching and rejection in pediatric kidney transplant patients. The study found that patients with 1- or 2-HLA-DRB1 mismatches had a 70% increased risk of allograft rejection, while those with a history of rejection had a 7.7 times greater odds of graft failure.

SourceJAMA Network·JournalArchives of Surgery·DateJul 18, 2011

Trastuzumab and chemotherapy improved survival in HER2-postive breast and brain cancer patients

A study published in Clinical Cancer Research found that trastuzumab, chemotherapy, and surgery significantly improved overall survival in HER2-positive breast and brain cancer patients. Treatment with these therapies led to improved survival rates of up to 20 months for those with central nervous system metastases.

SourceAmerican Association for Cancer Research·JournalClinical Cancer Research·DateJul 18, 2011
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.

Single traumatic brain injury may prompt long-term neurodegeneration

Researchers found abnormal tau tangles and amyloid-beta plaques in survivors years after a single TBI, suggesting a potential link between the two conditions. The study suggests that a single TBI may initiate long-term neurodegenerative processes, offering new insights into the development of Alzheimer's disease.

SourceUniversity of Pennsylvania School of Medicine·JournalBrain Pathology·DateJul 18, 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.

Antiretroviral treatment is HIV prevention: The proof is here

The HPTN 052 study found that early initiation of combination antiretroviral therapy (cART) significantly reduces the risk of HIV transmission to uninfected partners, with a 96% reduction in transmissions. Early cART also benefits the infected individual by maintaining higher CD4 counts and reducing HIV-related illnesses or death.

SourceInternational AIDS Society·DateJul 18, 2011

Keeping it together

Scientists at the European Molecular Biology Laboratory have discovered a protein complex called condensin that keeps chromosome arms folded and easy to transport. This discovery may lead to a better understanding of how chromosomes are organized during cell division, with implications for our own cells' ability to divide properly.

SourceEuropean Molecular Biology Laboratory·JournalNature Structural & Molecular Biology·DateJul 18, 2011

Study shows small-scale fisheries' impact on marine life

A new study reveals that small-scale fisheries in Peru are capturing tens of thousands of turtles from across the Pacific. The researchers found that thousands of sea turtles are likely to be caught annually while foraging in Peru's waters, often resulting in injuries from becoming tangled in fishing gear.

SourceUniversity of Exeter·JournalJournal of Applied Ecology·DateJul 18, 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.

Solar Panels Keep Buildings Cool

A new study by UC San Diego researchers found that solar photovoltaic panels can cool buildings by up to 5 degrees Fahrenheit, reducing cooling costs by 5% over the panels' lifetime.

SourceUniversity of California - San Diego·JournalSolar Energy·DateJul 18, 2011

Hydrogen may be key to growth of high-quality graphene

A new approach to growing graphene reduces problems plaguing researchers, clearing a path for sophisticated electronic devices. Hydrogen controls the graphene grain shape and size, enabling the creation of well-defined graphene grains with perfect hexagonal shapes.

SourceDOE/Oak Ridge National Laboratory·JournalACS Nano·DateJul 18, 2011

WHOI scientists analyze, explain the chemical makeup of Gulf plume

A research team led by WHOI has determined the chemical makeup of a deep hydrocarbon-containing plume in the Gulf of Mexico, shedding light on its composition and potential effects on ocean life. The study found that the plume contained high concentrations of BTEX compounds, which can be toxic to aquatic organisms.

SourceWoods Hole Oceanographic Institution·JournalProceedings of the National Academy of Sciences·DateJul 18, 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.

Penn study finds a genetic basis for muscle endurance in animal study

Researchers at the University of Pennsylvania School of Medicine have identified a genetic basis for muscle endurance in animal study. The study found that mice lacking a specific gene exhibit increased endurance and fatigue resistance, similar to elite athletes.

SourceUniversity of Pennsylvania School of Medicine·JournalJournal of Clinical Investigation·DateJul 18, 2011

Annals of Internal Medicine tip sheet for July 19, 2011

Researchers found that testing for Lynch Syndrome in all colorectal cancer patients is cost-effective and can help identify families at risk. Antiretroviral therapy also increased life expectancy for HIV patients in Africa to nearly normal levels, with men showing lower survival rates than women. In contrast, low health literacy was li...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJul 18, 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.

Tumor suppressor protein is a key regulator of immune response and balance

Researchers at St. Jude Children's Research Hospital identified Tsc1 as a key regulator of the immune system, maintaining a balanced immune response by inhibiting effector T cells and naïve T cells. Loss of Tsc1 leads to premature activation and depletion of immune cells, compromising bacterial infection resistance.

SourceSt. Jude Children's Research Hospital·JournalNature Immunology·DateJul 18, 2011

JCI online early table of contents: July 18, 2011

Researchers have identified a protein called MYLIP as a potential new target for lowering LDL cholesterol levels, which are associated with atherosclerotic cardiovascular disease. Additionally, platinum-based drugs have been found to promote anticancer immune responses by disrupting the mechanisms used by tumors to inhibit immune cells.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJul 18, 2011

New therapy provides hope for millions of people suffering from bowel incontinence

A new procedure called InterStim Therapy uses electrical impulses to stimulate the sacral nerve and improve muscle function, reducing or eliminating bowel incontinence in 80% of patients. This minimally invasive treatment offers a long-term solution for patients seeking relief from the debilitating symptoms of fecal incontinence.

SourceNorthwestern Memorial HealthCare·JournalAnnals of Surgery·DateJul 18, 2011
Meta Quest 3 512GB

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

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.

MIT: The tallest tree in the land

The MIT model takes basic meteorological data and computes how tall a tree is likely to grow under those conditions. The team's results have been published in PLoS One and match up well with actual measurements from the US Forest Service, except for two geographic regions: the arid Southwest and parts of New England.

SourceMassachusetts Institute of Technology·JournalPLOS ONE·DateJul 18, 2011

Key metabolic pathway implicated in intractable form of breast cancer

Researchers at Whitehead Institute have identified a protein called phosphoglycerate dehydrogenase (PHGDH) that is crucial for the growth of estrogen receptor-negative breast cancer cells. PHGDH is overexpressed in approximately 70% of ER-negative breast cancer patients, making it a promising target for drug development.

SourceWhitehead Institute for Biomedical Research·JournalNature·DateJul 18, 2011

Soy/milk protein dietary supplements linked to lower blood pressure

A randomized controlled clinical trial found that soy and milk protein supplements lowered systolic blood pressure in adults with pre-hypertension and stage-1 high blood pressure. The study suggests replacing refined carbohydrates with foods or drinks high in soy or milk protein may help prevent and treat high blood pressure.

SourceAmerican Heart Association·DateJul 18, 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.

Face value

A new study by MIT researchers reveals that low-information voters are most influenced by candidate appearances, with the effect being stronger among those who watch a lot of television. The study found a nearly 5% increase in votes for candidates with a 10-point advantage in appearance ratings among uninformed voters.

SourceMassachusetts Institute of Technology·JournalAmerican Journal of Political Science·DateJul 18, 2011

Personalized medicine

Despite genomics' promise in treating cancer and cardiovascular disease, personalized medicine's complexities limit tailored interventions. The authors advocate for a more holistic approach focusing on the person as a whole, rather than abstract scientific manipulations.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJul 18, 2011

NIH funds Emory-led consortium to advance AIDS vaccine research

A five-year NIH grant will fund research at the Emory Vaccine Center and Yerkes National Primate Research Center to develop a safe and effective HIV vaccine. The goal is to understand how to prevent early stages of mucosal infection from simian immunodeficiency virus, a key step in developing an effective HIV vaccine.

SourceEmory Health Sciences·DateJul 18, 2011

Promising developments in vaccine research, development of a vaginal gel and PrEP lead to calls for a combination of biomedical and non biomedical approaches to HIV prevention policy

Researchers call for integrated strategies to prevent HIV infection, building on progress in vaccine research and the development of a vaginal gel. A combination of biomedical and non-biomedical approaches is seen as crucial to address the evolving landscape of HIV prevention.

SourceInternational AIDS Society·DateJul 18, 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.

Structure helps new employees adjust, study finds

A University of Guelph study shows that new employees who undergo structured on-boarding processes are more likely to be engaged and committed to their job. The study found that personalized engagement is key to a new employee's commitment and performance.

SourceUniversity of Guelph·JournalJournal of Managerial Psychology·DateJul 18, 2011

USC research: Cancer cells and stem cells share same origin

Scientists at USC have proven that oncogenes can convert normal cells into stem-like cells, leading to a new approach in treating diseases with stem cell therapy. The study successfully converted human skin cells into brain cells by suppressing p53, suggesting it determines cell fate rather than only cancer outcome.

SourceUniversity of Southern California·JournalProceedings of the National Academy of Sciences·DateJul 18, 2011

Cancer stem cells recruit normal stem cells to fuel ovarian cancer, U-M study finds

Researchers at the University of Michigan Comprehensive Cancer Center have found that mesenchymal stem cells, normally used for wound healing, are recruited by cancer stem cells to fuel ovarian cancer growth. By blocking this process with a protein called BMP2, researchers may have discovered a potential therapy for ovarian cancer.

SourceMichigan Medicine - University of Michigan·JournalJournal of Clinical Investigation·DateJul 18, 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.

Launch of the Rome Statement for an HIV Cure

The Rome Statement for an HIV Cure aims to accelerate HIV cure research by building a global consensus on the state of HIV reservoirs and defining scientific priorities. The strategy recognizes the importance of developing a safe, accessible, and scalable HIV cure as a therapeutic and preventive strategy against HIV infection.

SourceInternational AIDS Society·DateJul 18, 2011

Chinese culture encourages binge drinking in middle-aged men

A nationwide study in China found that 55.6% of men and 15% of women are current drinkers, with frequent binge drinking among males and women averaging 5.6 and 2.4 binges per year, respectively. Cultural factors, such as social pressure and entrenched customs, contribute to the problem.

SourceWiley·JournalAddiction·DateJul 18, 2011

Retired NFL players at higher risk for mild cognitive impairment

A Loyola University Health System study found that 35% of retired NFL players had scores suggesting possible mild cognitive impairment (MCI), which can be a precursor to Alzheimer's disease. The average age of the players was 61, and their impairments were highly similar to those exhibited by patients with MCI.

SourceLoyola Medicine·DateJul 18, 2011

UCSF receives $112 million to help translate science into cures

The UCSF Clinical and Translational Science Institute has received $112 million to expand its work, making it the country's second-largest clinical and translational science institute. The funding validates the success of CTSI in creating a framework for scientists to collaborate on promising research.

SourceUniversity of California - San Francisco·DateJul 18, 2011

Trial shows that 2 main antidepressants prescribed for dementia patients with depression provide no benefit yet increased side effects

A recent trial found that sertraline and mirtazapine, commonly prescribed antidepressants for dementia patients with depression, provide no benefit but increase side effects. The study suggests that clinicians should reframe their approach to treating depression in Alzheimer's disease, considering alternative treatments.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJul 18, 2011
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.

Another danger of secondhand smoke -- hearing loss

A new study published by NYU School of Medicine researchers has found that exposure to secondhand smoke nearly doubles the risk of hearing loss among adolescents. The study found that teenagers exposed to smoke performed worse across every sound frequency tested, especially mid-to-high frequencies important for understanding speech.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalArchives of Otolaryngology - Head and Neck Surgery·DateJul 18, 2011