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Science News Archive October 2014 - Page 30


Page 30 of 35

There's no such thing as a vaginal orgasm, review finds

A recent review in Clinical Anatomy challenges common female orgasm misconceptions, stating that 'female orgasm' is the correct term. The key to female pleasure lies in effective stimulation of the clitoris, not vaginal intercourse.

SourceWiley·JournalClinical Anatomy·DateOct 6, 2014

Study: 'Broad consensus' that violent media increase child aggression

A new national study found that 66% of researchers, 67% of parents, and 90% of pediatricians agree that violent video games can increase aggressive behavior in children. The study also found a causal relationship between exposure to violent media and aggressive behavior.

SourceOhio State University·JournalPsychology of Popular Media Culture·DateOct 6, 2014

A glimpse into the 3-D brain: How memories form

Researchers have created a novel technology to simulate the hippocampus, a key region in memory formation. By analyzing the 3D model, they found that the hippocampus' shape and size can explain why neurons fire at specific frequencies.

SourceRuhr-University Bochum·JournalFrontiers in Neuroanatomy·DateOct 6, 2014

Observing the Birkeland currents

The study reveals two distinct stages in Earth's response to solar wind forcing, with most energy deposited in the polar atmosphere during the second stage. Researchers are working to understand a potential delay between stages, which could provide near-term warnings for space weather disruptions.

SourceWiley·JournalGeophysical Research Letters·DateOct 6, 2014
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.

Code stroke on the ward

A new study found that patients who experience a stroke in the hospital wait longer for treatment and are less likely to receive clot-busting drugs compared to those who have a stroke outside of the hospital. This delay can lead to longer hospital stays, disability, and worse outcomes.

SourceHeart and Stroke Foundation of Canada·DateOct 6, 2014

New vaccines targeting adults and teens are best chance to eliminate TB by 2050

A new study suggests that vaccines developed for adolescents and adults could have a significant impact on tuberculosis (TB) worldwide. The researchers found that these vaccines could provide dramatic levels of control needed to eliminate TB by 2050. However, the current BCG vaccine given to infants is not enough to achieve this goal.

SourceLondon School of Hygiene & Tropical Medicine·JournalProceedings of the National Academy of Sciences·DateOct 6, 2014

Controlling Ebola in communities is critical factor in containing outbreaks

A new study analyzing the first outbreak of Ebola in 1976 found that reducing community transmission and changing behavior were crucial to controlling the outbreak. The study suggests that if communities had not changed their behavior, the outbreak could have been much larger, with potentially devastating consequences.

SourceLondon School of Hygiene & Tropical Medicine·JournalEpidemics·DateOct 6, 2014

Improving biology education: A numbers game

The University of Pittsburgh has received a $2.9 million grant from the National Science Foundation to establish QUBES, a project aiming to refine quantitative biology pedagogy nationwide. The initiative plans to leverage existing technologies to provide cost-effective solutions for faculty development and undergraduate education.

SourceUniversity of Pittsburgh·DateOct 6, 2014
Apple iPhone 17 Pro

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

The skin cancer selfie

Researchers have developed a gigapixel camera that can capture high-resolution images of the entire human body, allowing for earlier detection and potentially saving lives. The camera's resolution is significantly better than normal photography, making it suitable for telemedicine and expanding skin cancer screening to remote locations.

SourceOptica·DateOct 6, 2014
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.

Is Internet-based diabetes self-management education beneficial?

A new review article published in Diabetes Technology & Therapeutics found that internet-based diabetes self-management education can lead to better glycemic control and enhanced diabetes knowledge. The study compared the effectiveness of various methods of delivering diabetes education via the internet and concluded that this method i...

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalDiabetes Technology & Therapeutics·DateOct 6, 2014

If you want an antibiotic see your doctor later in the day

Researchers found that doctors are more likely to prescribe antibiotics for respiratory infections later in their clinic sessions due to fatigue. The study suggests that improving the work environment could lead to better patient care outcomes.

SourceBrigham and Women's Hospital·JournalJAMA Internal Medicine·DateOct 6, 2014

A novel roadmap through bacterial genomes leads the way to new drug discovery

Researchers at the University of Illinois have developed a database that analyzes microbial genomic data to speed up the discovery of new therapeutic drugs. The database allows scientists to identify promising gene clusters and predict the production of natural products, enabling them to target specific bacterial strains for study.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Chemical Biology·DateOct 6, 2014

Atmospheric chemistry hinges on better physics model

A new theoretical physics model reveals improved calculations of nitrous oxide photoabsorption, shedding light on its role in stratospheric ozone destruction. This breakthrough improves the accuracy of absorption cross sections and predicts major dissociation pathways.

SourceSpringer·JournalThe European Physical Journal D·DateOct 6, 2014
Meta Quest 3 512GB

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

New theorem determines the age distribution of populations from fruit flies to humans

A new theorem provides a fundamental approach to estimate the age structure of any population, from fruit flies to humans. This discovery can be applied to predict rates of infectious diseases and anticipate healthcare needs. By understanding age distribution, researchers can better comprehend risks and make informed decisions.

SourceMedical College of Georgia at Augusta University·JournalJournal of Mathematical Biology·DateOct 6, 2014

Sandwiches are a major contributor to dietary sodium intake

A new study published in the Journal of the Academy of Nutrition and Dietetics found that sandwiches account for one-fifth of total daily sodium intake among American adults. Nearly half of adults aged 20 years and older eat a sandwich on any given day, contributing to higher energy intakes and sodium levels.

SourceElsevier Health Sciences·JournalJournal of the Academy of Nutrition and Dietetics·DateOct 6, 2014

How rabies 'hijacks' neurons to attack the brain

Rabies uses a nerve growth factor receptor to enter the central nervous system, where it causes acute inflammation and violent aggression. The virus manipulates neuronal transport machinery to move faster than normal, allowing it to reach the brain with maximum speed.

SourceAmerican Friends of Tel Aviv University·JournalPLOS Pathogens·DateOct 6, 2014

First-ever global life cycle assessment of renewable energy future

A global life cycle assessment of renewable energy future reveals significant reductions in air pollution and improvement in human health. The study finds that a shift to low-carbon technologies will increase demand for raw materials, but these demands are manageable and do not outweigh the benefits.

SourceNorwegian University of Science and Technology·JournalProceedings of the National Academy of Sciences·DateOct 6, 2014

A quick look at electron-boson coupling

Berkeley Lab researchers used trARPES to measure the ultrafast response of electron self-energy to photo-excitation in a high-temperature superconductor. The results show a link between electron-boson coupling and superconductivity.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·DateOct 6, 2014
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.

No need for water, enzymes are doing it for themselves

Researchers at University of Bristol discovered that enzymes can function without water, enabling the development of thermally robust industrial enzymes for harsh processing conditions. This breakthrough has potential applications in detergent technologies and biofuel production.

SourceUniversity of Bristol·JournalNature Communications·DateOct 6, 2014

The sex difference in distance running has disappeared for participation but not for competitiveness

Despite a decrease in participation differences between men and women, research shows that the sex difference in competitiveness remains intact, with men more likely to be competitive in track meets. Women are now equally represented at road races, but their competitive orientation still lags behind that of men.

SourceGrand Valley State University·JournalEvolutionary Psychology·DateOct 6, 2014
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.

Research paves way for new generation of fungicides

Researchers at the University of Exeter have discovered a long-distance messaging system in fungi that enables them to evade plant immune systems. By targeting this process, new fungicides could be developed to prevent crop damage and reduce losses estimated at $60 billion annually.

SourceUniversity of Exeter·JournalNature Communications·DateOct 6, 2014

Think and act alobally: Health Affairs' September issue

The September issue of Health Affairs explores accountable care systems worldwide, suggesting five international framework components. The article also examines the effectiveness of social networking in reducing body mass index and highlights the potential for hospital transition interventions to reduce readmissions.

SourceHealth Affairs·JournalHealth Affairs·DateOct 6, 2014

Program to reduce hospital readmissions doesn't have impact

Researchers at UCSF found a nurse-led intervention program did not improve 30-day hospital readmission rates among ethnically and linguistically diverse older patients. The study suggests hospitals evaluate such programs before implementing or continuing.

SourceUniversity of California - San Francisco·JournalAnnals of Internal Medicine·DateOct 6, 2014

Asthma risk varies with ethnic ancestry among Latinos, UCSF team finds

The study found that Native American ancestry is associated with a lower asthma risk, while African ancestry is linked to a higher risk in Latino children. Lung function on average was also lower among children with greater African ancestry, even without asthma.

SourceUniversity of California - San Francisco·JournalJournal of Allergy and Clinical Immunology·DateOct 6, 2014
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.

A new way to extract bone-making cells from fat tissue

Researchers create a fluorescent tag that identifies bone-producing cells in human fat, yielding more than twice the yield of potential bone-makers compared to another method. The extracted cells produce significant amounts of bone matrix and show promise for regenerative therapies.

SourceBrown University·JournalStem Cell Research & Therapy·DateOct 6, 2014

Tropical Storm Simon says, 'US Southwest is an arm's reach'

Tropical Storm Simon is expected to bring heavy rainfall and rough surf to the western United States, particularly the desert Southwest. The National Hurricane Center forecasts storm total rainfall amounts of 3-6 inches in central and northern Baja California and Sonora, Mexico, with isolated areas reaching up to 9 inches.

SourceNASA/Goddard Space Flight Center·DateOct 6, 2014

Teen hormones and cellphones

A new study by University of Texas Medical Branch at Galveston found that teenage sexting may precede and predict future sexual activity. The research suggests that sexting is becoming a normal part of adolescent sexual development, rather than strictly linked to at-risk teens.

SourceUniversity of Texas Medical Branch at Galveston·JournalPEDIATRICS·DateOct 6, 2014

'Virological penicillin': Plant MIR2911 directly targets influenza A viruses

A plant microRNA, MIR2911, has been discovered to directly target influenza A viruses, including H1N1, H5N1, and H7N9. Drinking honeysuckle soup can prevent IAV infection and reduce mortality rates in mice. The study provides a novel therapeutic strategy for IAV infection prevention and treatment.

SourceNanjing University School of Life Sciences·JournalCell Research·DateOct 6, 2014
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.

Small molecule 'jams the switch' to prevent inflammatory cell death

Researchers have discovered a small molecule that prevents necroptosis, a recently discovered cell death pathway linked to immune disorders. The compound 'jams the switch' on MLKL, a protein that triggers cell death, thereby preventing inflammation and promoting new treatments for inflammatory diseases.

SourceWalter and Eliza Hall Institute·JournalProceedings of the National Academy of Sciences·DateOct 6, 2014

UCI stem cell scientist wins coveted NIH New Innovator Award

Weian Zhao, a UCI stem cell scientist, has been awarded the prestigious NIH New Innovator Award to create stem cell-based detection methods for cancer. His project aims to engineer smart stem cell systems to target cancer cells and improve treatment outcomes.

SourceUniversity of California - Irvine·DateOct 6, 2014

Treatments for HIV-visceral leishmaniasis co-infected patients

A Phase III clinical study has been initiated in Ethiopia to assess the efficacy and safety of two treatment combinations for HIV-visceral leishmaniasis co-infected patients. The study aims to identify a safe and effective treatment for this life-threatening condition, which affects millions worldwide.

SourceDrugs for Neglected Diseases Initiative·DateOct 6, 2014
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.

Why is educational achievement heritable?

Research led by King's College London finds that the high heritability of exam grades reflects many genetically influenced traits such as personality and self-efficacy. The study, which analyzed 13,306 twins, found that individual traits were between 35% and 58% heritable, with intelligence being the most highly heritable.

SourceKing's College London·JournalProceedings of the National Academy of Sciences·DateOct 6, 2014

'JAKing' up blood cancers, one cell at a time

Researchers successfully induced a rare type of blood cancer in mice using a single stem cell with the mutated JAK2 protein. The resulting cancer cells also retained the JAK2 mutation, offering new insights into the disease's progression.

SourceRockefeller University Press·JournalJournal of Experimental Medicine·DateOct 6, 2014
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.

Livermore scientists suggest Southern Hemisphere ocean warming underestimated

A study using satellite observations and climate models found that long-term ocean warming in the upper 700 meters has likely been underestimated. The researchers used a large suite of climate model simulations to estimate temperature changes, which suggests global ocean warming has been underestimated by 24-58%.

SourceDOE/Lawrence Livermore National Laboratory·JournalNature Climate Change·DateOct 6, 2014

Through the combining glass

Researchers at the University of Bristol have developed a system that combines semi-transparent mirrors with display technologies, enabling unique interactive experiences. By using reflections and projections, visitors can engage with exhibits in new ways, such as trying on clothes or exploring dark objects, in museums and shop windows.

SourceUniversity of Bristol·DateOct 6, 2014
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.

High-sugar diet no problem for genetic mutants

Researchers at USC Davis School of Gerontology discovered a genetic pathway that enables certain worms and humans to resist the negative effects of high-sugar diets. The study suggests that activating this pathway could lead to new treatments for obesity, while cautioning against potential risks associated with increased Nrf2 function.

SourceUniversity of Southern California·JournalNature Communications·DateOct 6, 2014

Trying to share our 'epic' moments may leave us feeling left out

A new study published in Psychological Science found that sharing extraordinary experiences can lead to feelings of social exclusion, even if they are pleasurable in the moment. The researchers suggested that this is because these experiences often separate us from others, making it difficult to connect with them on an ordinary topic.

SourceAssociation for Psychological Science·JournalPsychological Science·DateOct 6, 2014

Study: Workplace diversity can help the bottom line

A new study led by MIT economist Sara Ellison suggests that workplace diversity can lead to increased revenue and improved employee satisfaction. However, the research also found that employees may prefer less diverse settings, which can compromise office performance.

SourceMassachusetts Institute of Technology·JournalJournal of Economics & Management Strategy·DateOct 6, 2014

Tumors might grow faster at night

Weizmann Institute researchers found that cancer grows faster during the day and is suppressed at night due to hormonal fluctuations. Administering treatments in sync with the body's natural day-night cycle may improve their effectiveness.

SourceWeizmann Institute of Science·JournalNature Communications·DateOct 6, 2014
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.

NASA spots Typhoon Phanfone affecting Japan

Typhoon Phanfone made landfall in Japan, bringing powerful winds and heavy rain to the region. At least one Airman is confirmed deceased after being washed out to sea from Okinawa, while two others are missing.

SourceNASA/Goddard Space Flight Center·DateOct 6, 2014

Liquid DNA behind virus attacks

Researchers at Lund University have discovered that viruses can convert their solid DNA to a liquid form, making it easier to infect cells. This temperature-dependent phase transition could lead to the development of new medicines targeting virus DNA, potentially reducing infection capability and spreading.

SourceLund University·JournalProceedings of the National Academy of Sciences·DateOct 6, 2014

Link between breast implants and cancer under investigation

A recent study suggests a potential link between breast implants and ALCL, a rare form of cancer that can develop in the breast region around 10 years after surgery. The exact causes are unclear, but researchers believe an abnormal immune response may be to blame.

SourceUniversity of Veterinary Medicine -- Vienna·JournalMutation Research/Genetic Toxicology and Environmental Mutagenesis·DateOct 6, 2014

Less than half of Canadians exercise to relieve stress

A recent study by McMaster University found that only 40% of Canadians engage in exercise as a coping mechanism for stress. Younger, single, more educated, and active adults are more likely to use exercise to relieve stress.

SourceMcMaster University·JournalJournal of Physical Activity and Health·DateOct 6, 2014
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.

NASA sees Typhoon Vongfong leaving the Mariana Islands

Typhoon Vongfong has exited the Mariana Islands and is now tracking west-northwest towards an area of low pressure. The typhoon has maximum sustained winds near 90 knots and is generating rough seas in the western North Pacific Ocean.

SourceNASA/Goddard Space Flight Center·DateOct 6, 2014

What 20 years of research on cannabis use has taught us

A major new review of cannabis research reveals adverse effects on mental and physical health, including increased risk of addiction, psychosis, and respiratory problems. Chronic cannabis use is linked to lower educational attainment and intellectual impairment, while adolescent use is associated with a doubling of schizophrenia risk.

SourceWiley·JournalAddiction·DateOct 6, 2014