Bluesky Facebook Reddit Email

Science News Archive September 2010


Page 4 of 27

Heartbreak puts the brakes on your heart

A new study finds that social rejection triggers a momentary decrease in heart rate, mirroring the brain's response to physical pain. Participants' heart rates slowed in anticipation of and after receiving news about another person's opinion of them, with further drops observed when told they were rejected.

Apple iPhone 17 Pro

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

Targeting amyloid to stop HIV

Scientists have created a substance that targets amyloid structures in semen and weakens HIV's ability to infect the body's immune cells. The experimental compound makes it harder for HIV particles to stick to human immune cells, offering a new lead in developing a microbicide to prevent HIV transmission.

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.

Intrauterine devices can be used to treat endometrial cancer

Research published in Annals of Oncology suggests that intrauterine devices releasing progestin hormone levonorgestrel combined with GnRH injections can halt and reverse cancer growth in women aged 40 or younger. The treatment has shown promise in treating specific types of endometrial cancer, preserving fertility for young women.

Researcher gives 'F' to multiculturalism education

Researcher Adeela Arshad-Ayaz argues that multicultural education has failed to promote cross-cultural understanding due to inadequate teacher training. She proposes an alternative approach integrating discussion of global politics and social class to create a more equitable society.

Genome inversion gives plant a new lifestyle

A genetic inversion in the monkeyflower plant's genome contributes to its adaptation to different environments, leading to reproductive isolation and a shift towards becoming two separate species.

Meta Quest 3 512GB

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

Predicting divorce: U-M study shows how fight styles affect marriage

A University of Michigan study shows that constructive conflict resolution strategies can lower divorce rates, while destructive behaviors and withdrawal are associated with higher separation rates. Researchers found racial differences in conflict behavior patterns, with Black couples more likely to withdraw during conflicts.

Finding a buckyball in photovoltaic cell

Researchers have developed a new method to analyze neutron reflection to identify buckyballs within polymer-based photovoltaic cells. This breakthrough technique allows for more efficient and cost-effective production of solar cells, which could lead to widespread adoption.

Sodium plays key role in tissue regeneration

Biologists at Tufts University have discovered that sodium plays a key role in initiating a regenerative response after severe injury, enabling the regeneration of injured spinal cord and muscle. A specific drug-based treatment triggers an influx of sodium ions into injured cells, breaking new ground in biomedicine.

Celestron NexStar 8SE Computerized Telescope

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

HJF names fellowship award winners

Three USU doctoral students receive fellowships to study schistosomiasis, multiple sclerosis and tuberous sclerosis complex. The HJF program aims to develop new drug targets and treatments for these diseases.

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.

The dual nature of dew

Researchers at Tel Aviv University found dew essential for plant growth in semi-arid zones like the Eastern Mediterranean. Dew provides moisture to plant leaves, enabling photosynthesis and growth during early morning hours.

What next for the 2009 H1N1 influenza pandemic?

Experts speculate on future of H1N1 pandemic virus, predicting low mortality rates due to existing immunity in the population. The degree of immunity and potential changes to the virus will impact the upcoming influenza season.

How reasonable it is to deceive yourself?

Researchers Prof. Dr. Albert Newen and Christoph Michel propose that self-deception can be a motivating factor in certain situations, while maintaining basic rational evaluation processes intact. However, excessive self-deception can lead to reality distortion and harm.

NIH scientists find more health benefits from starting HIV treatment early

A new study found that HIV-infected individuals who start antiretroviral therapy (ART) soon after acquiring the virus have stronger immune responses to other pathogens compared to those who start ART later. Early treatment restores resting memory B cells and reduces immature B cells, leading to improved immune system function.

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.

Certain psychiatric disorders linked with risky sexual behavior in teens

Teens with certain psychiatric diagnoses, such as bipolar disorder and externalizing disorders, are more likely to engage in high-risk sexual behaviors. The study found that those with mania are at an even higher risk for HIV and STIs, having significantly more sexual partners and being four times as likely to have an STI.

New device for identifying aggressive breast cancers

A new disposable device based on microfluidics can efficiently capture cancer cells overexpressing HER2, enabling therapy with trastuzumab. The device offers a non-invasive alternative to current methodologies and has shown promising results in early studies.

Sparkling drinks spark pain circuits

New research from the University of Southern California found that sparkling drinks activate pain sensors in the nasal cavity, similar to mustard and horseradish. The study discovered a specific type of cell responsible for this sensation, known as TRPA1.

Fluke 87V Industrial Digital Multimeter

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

New VARI findings next step to growing drought-resistant plants

Researchers at Van Andel Research Institute have identified synthetic compounds that can mimic the effects of plant hormone abscisic acid, helping plants retain water during drought. These findings could lead to sprays that use a plant's natural defenses to improve drought tolerance and combat global food shortages.

Envious employees can turn hospitality industry hostile

A recent study by Penn State researchers found that front-line hotel employees who are envious of their co-workers' relationships with supervisors are less likely to help or volunteer for additional duties. Envy can create a hostile work environment and negatively impact customer satisfaction, the study suggests.

2010 AAO-HNSF miniseminars: Tuesday, Sept. 28, 2010

The AAO-HNSF miniseminars discussed presbycusis, a growing concern for older adults with hearing loss. The researchers also presented new medullary thyroid cancer guidelines, highlighting the need for familiarity with unique diagnostic and treatment paradigms. Additionally, safety concerns in pediatric ambulatory surgery were emphasized.

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.

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.

NIH scientists consider fate of pandemic H1N1 flu virus

Scientists estimate that at least 183 million Americans have immunity to the 2009 pandemic H1N1 virus due to exposure or vaccination. They predict the virus will persist in a form causing relatively few deaths, but caution against complacency and urge influenza vaccination for all ages.

Vaccine suspended 5 years ago has actually given children long term

A study published in The Lancet Infectious Diseases suggests that infant immunity to hepatitis B lasts for at least 5 years after primary vaccination, making booster shots unnecessary. The research, led by Alessandro Zanetti, found that children vaccinated with hexavac maintained protective antibody levels for over 5 years.

Study finds language barriers may play role in health care disparities

Researchers found that individuals who don't speak English at home are less likely to receive colorectal cancer screenings compared to those who do. The study suggests that patient-provider language barriers and unmeasured differences in patient characteristics contribute to disparities in health care access.

Market changes affect risk tolerance, MU study finds

Researchers at the University of Missouri found a positive correlation between investor risk tolerance and stock market returns, indicating investors buy stocks at high prices and sell at low prices. Improved financial education is recommended to help Americans overcome biases in investment decisions.

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 practitioners recommend global PTSD treatment guidelines

The study compares and contrasts various global PTSD treatment guidelines, highlighting differences that can lead to confusion. The researchers emphasize the importance of trauma-focused psychological interventions as the most effective treatments for posttraumatic stress disorder.

How to still kill a resistant parasite

Researchers from the Institute of Tropical Medicine Antwerp successfully restored a sleeping sickness parasite's susceptibility to drugs, potentially alleviating economic losses. The discovery involves combining antibiotics with an existing medicine, ISM, which could lead to more effective treatments for both cattle and humans.

'Firefly' stem cells may help repair damaged hearts

Engineered 'firefly' stem cells can help repair damaged hearts without cutting into patients' chests. Researchers can now track the cells' progress using a special camera lens that picks up the glow under a microscope.

Wasps wage war on behalf of wiliwili trees

A new species of parasitic wasp, Eurytoma erythrinae, has been released in Hawaii to combat the invasive Erythrina gall wasp, which harms endemic wiliwili trees. The parasite's high success rate has led to significant declines in tree damage.

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.

Pharma must be held more accountable to its human rights responsibilities

The PLoS Medicine Editorial argues that drug companies' human rights responsibilities have not been adequately addressed, despite the need to make medicines available to those in need. The editorial highlights the importance of accountability and calls for an external body to monitor pharmaceutical companies' policies and practices.

Why we fight: Men check out in stressful situations

A new study by USC researchers found that stressed men have diminished brain activity in regions responsible for understanding others' feelings, whereas stressed women show increased coordination. This sex difference is linked to the effects of stress on social behavior and empathy.

Protein key to growth of pancreatic cancer

A study found that nearly three-quarters of pancreatic cancer tumours have high levels of a protein called P110γ, which could provide a new target for treatments. Blocking this protein stopped cancer cell growth in laboratory experiments.

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.

Human clinical trial of DNA-MVA HIV vaccine candidate begins

A Phase I study has begun to evaluate a combination DNA prime/MVA vector boost vaccine regimen to protect against diverse subtypes of HIV-1. The study will enroll 92 participants and test two intramuscular delivery methods for the DNA prime, Biojector 2000 and CELLECTRA EP, to compare their effects on immune response.

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.

Individual mutations are very slow to promote tumor growth

Individual cancer-causing mutations have a minor effect on tumor growth, increasing cell division rates and contributing to the accumulation of multiple mutations. The research suggests that significant tumor growth requires the slow accumulation of multiple mutations over years, explaining why many cancer-driving mutations are needed.