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Science News Archive February 2007


Page 10 of 16

Research paper examines depression in 3 cities in Pakistan

A recent study published in PLOS ONE found significant regional variation in depression rates among households in Lahore, Quetta, and Karachi. Middle-aged females with secondary school education were most affected, highlighting the need to revise existing mental health policies.

Local range estimation in wild animals

A new class of computational methods, called LoCoH (local convex hull) methods, has been developed to construct distributions of where monitored organisms are most likely to be found in space and time. These methods have proven especially useful in evaluating the spatial needs of threatened species and designing parks to conserve them.

Reduction of body iron stores and cardiovascular outcomes

A recent study published in JAMA found that reducing body iron stores through phlebotomy in patients with peripheral artery disease did not significantly decrease the risk of death or nonfatal cardiovascular events. However, younger patients and those without diabetes showed apparent improvement with iron reduction.

Apple iPhone 17 Pro

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

DNA ends: Common tool, different job

Researchers at the Salk Institute have discovered a novel RPA-like complex that specifically targets the short single-stranded DNA tail end of yeast chromosomes. This complex helps maintain telomere integrity and prevent premature senescence or cancer development.

Absence of health insurance coverage costs $1.47B in Maryland

In Maryland, the absence of health insurance coverage costs $1.47 billion in annual expenditures, with individuals without insurance contributing $2,371 each year. State and federal funds, as well as private payers and physicians, absorb much of this burden.

U-M team: Genetic testing sheds light on degenerative eye disease

A study published in Archives of Ophthalmology confirms the effectiveness of genetic testing in diagnosing complex retinal diseases. The research found that genetic testing confirmed a clinician's diagnosis in half of the tested cases, providing crucial information for healthcare professionals.

Plastics in common household items may cause fertility defects

A recent study by Yale University researchers found that BPA alters the expression of key developmental genes necessary for uterine development, potentially leading to infertility in females. The study used pregnant female mice exposed to varying doses of BPA, revealing a link between BPA exposure and fertility defects.

Fluke 87V Industrial Digital Multimeter

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

Researchers create new super-thin laser mirror

The new high-performance mirror, called the high-index contrast sub-wavelength grating (HCG), packs the same reflective punch as current mirrors but is at least 20 times thinner. This characteristic presents critical advantages for today's ever smaller integrated optical devices.

Study shows how patients and therapists are 'wired to connect'

Researchers at Massachusetts General Hospital found that patients and therapists share similar physiologic responses during moments of high positive emotion, leading to higher ratings of therapist empathy. The study suggests a biological basis for empathic connection during psychotherapy, with implications for improving therapeutic tec...

New protein super-family discovered with critical functions for animal life

Researchers have identified a new protein super-family called DANGER, which plays a crucial role in cell growth and differentiation. The discovery has significant implications for understanding animal evolution and development, as well as potential treatments for diseases such as Smith-Magenis syndrome and chronic myeleoid leukemia.

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.

NASA study finds warmer future could bring droughts

A NASA study suggests that a warmer future climate will increase droughts in the southwest United States and other parts of the world. The researchers found that changes in solar output in the past increased surface warming and altered atmospheric moisture and circulations, leading to severe droughts.

Study reveals value of schizophrenia-related gene variation

Researchers have identified a genetic variation associated with a mild form of schizophrenia, which also confers improved overall survival. The HOPA12pb gene variation affects dopamine-releasing neurons and may hold the key to developing new treatments for schizophrenia and other related illnesses.

Be careful when using garlic to treat childhood ailments

Researchers found that garlic tablets are effective in reducing morbidity for upper respiratory tract infections and resolving warts in children. However, more research is needed to explore its effects on cardiovascular disease and potential adverse effects when applied topically, which can cause second-degree burns.

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.

Nagging spouse? You may have an excuse for not responding

Researchers discovered that nonconscious exposure to a significant person's name can cause individuals to act in defiance of their partner's or boss's wishes. People with high levels of reactance tend to be more resistant to these influences.

2006 was Earth's 5th warmest year

2006 was the fifth warmest year in the past century, according to NASA's Goddard Institute for Space Studies. Global temperatures have been increasing steadily, with the greatest warming occurring at high latitudes and most ocean areas.

Instruction manual for creating a molecular nose

Researchers at Max Planck Institute successfully integrated in-vitro synthesized membrane proteins into artificial lipid membranes, overcoming previous difficulties due to protein solubility. This breakthrough enables the creation of biosensors that can detect poisons, explosives, or drugs.

NASA Goddard Space Science is the place for awards this season

The NASA Goddard Space Science Center has won several prestigious awards this season, including the Bruno Rossi Prize for high-energy astrophysics and the Annie Jump Cannon Award for female astronomers. These awards recognize the center's outstanding research efforts and achievements in space science.

New cardiovascular risk prediction models developed for women

Researchers developed and validated two clinical algorithms to predict global cardiovascular risk in women, showing improved accuracy and reclassification of 40-50% of those at intermediate risk. The Reynolds Risk Score calculator is freely accessible online.

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.

Ready when you are

Researchers found females mature earlier when shown males with long 'swords', while young males delayed maturity to avoid competition. This is the first evidence of a species adjusting sexual maturation based on visual cues.

Embedded communicators: Bringing them along for the science ride

Communicators and researchers are working together to develop effective science communication strategies, exploring ways to identify common goals and potential funding sources. This collaboration aims to create rich, complete stories about what scientists do and why, benefiting taxpayers and advancing policy.

News tips from the Journal of Neuroscience

Researchers mapped zebrafish axonal projections to reveal dual receptor expression and epigenetic programming. The study also explores the interaction of 'liking' and 'wanting' responses associated with compulsive behaviors, and investigates the role of ADAM10 in APP processing.

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 chimpanzee stone age

Researchers discovered evidence that chimpanzees used stone tools to crack nuts around 4300 years ago, pushing back the origin of this behavior by thousands of years. The study found similarities between chimpanzee and human ancestors' cultural attributes, suggesting a possible common ancestor for these behaviors.

A unique twin study on the increased cardiometabolic risk in obesity

A Finnish twin study reveals that acquired obesity is associated with deleterious alterations in lipid metabolism, including increased lysophosphatidylcholines and decreased ether phospholipids. The study also found a link between the obese twins' serum lipidomic profile and whole body insulin resistance.

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.

'Benign' MS may not be so benign

A new study published by the American Academy of Neurology found that people with 'benign MS' for 10 years are at risk of disease progression after 20 years. After 20 years, nearly half of those with benign MS had progressed to a point where they needed a cane to walk.

Vasectomy may put men at risk for type of dementia

Researchers found that men with Primary Progressive Aphasia (PPA) had a higher rate of vasectomy than those without the condition. PPA is a neurological disease causing language problems, while frontotemporal dementia (FTD) affects personality and behavior. The study suggests a possible link between vasectomy and increased risk of thes...

Being around friends can impair your memory

A group setting exposes individuals to brand information, making them forget competitors and their own preferences. The study found a stronger effect on familiar brands, where the exposure to other group members' mentions amplifies the disruption.

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.

Study to explore using magnets to correct 'sunken chest'

A groundbreaking study at UCSF Children's Hospital aims to correct pectus excavatum, a congenital chest deformity, using a magnetic procedure. The 3MP technique uses magnets to gradually realign the breastbone and chest wall, offering a potential alternative to invasive surgery.

Scientists use nanoparticle to discover disease-causing proteins

Purdue University researchers use dendrimers to label specific proteins in living cells, allowing them to determine protein functions and diagnose diseases. This new method provides a more reliable alternative to existing methods, which require small sample amounts and damage the natural environment.

New medical technique punches holes in target cell membranes to treat tumors

A new medical technique using microsecond electrical pulses has been shown to create permanent nanoscale holes in target cell membranes without harming surrounding tissue. This technique, called irreversible electroporation (IRE), has the potential to revolutionize minimally invasive surgical treatments for tumors.

Do-it-alls vs. specialists -- Which products sell better?

A recent study by Alexander Chernev reveals that consumers perceive specialized products to be superior on a single attribute, even when the description is the same. This 'zero-sum heuristic' suggests that advantages in one area are compensated by disadvantages in another.

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.

Happy endings aren't always best

A new study by Aparna A. Labroo and Suresh Ramanathan challenges the common assumption that happy endings in advertising are always better. Emotionally involved viewers actually prefer narratives with a negative-to-positive arc, as it allows them to cope with subsequent negativity.

RIT researchers developing 'micropump' for hearing-loss treatments

Researchers at Rochester Institute of Technology are developing a micropump to administer drugs and gene-based therapy treatments for auditory dysfunction. The goal is to improve treatment and cure hearing loss, surpassing the limitations of existing hearing aids and cochlear implants.

Marijuana relieves HIV nerve pain

A study published in Neurology found that smoking marijuana reduced nerve pain in people with HIV-associated sensory neuropathy by 34%, compared to 17% for those who received a placebo. The study also showed significant relief from chronic pain, with an average reduction of 72%.

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.

Finding survivors, protecting drivers

The USC researchers have created two novel CMOS architectures for 'biometric radar' and automobile accident avoidance systems. One chip can detect living victims in rubble by analyzing minute movements caused by breathing and heartbeat, while the other uses a low-cost CMOS chip to detect ultrawideband signals.

Keck gives Rice $1.4M to probe quantum matter

The program aims to understand the behavior of strongly correlated electrons in materials such as high-temperature superconductors and magnetic materials. Researchers at Rice will combine theoretical and experimental approaches to tackle these complex materials.

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.

Yale biologists 'trick' viruses into extinction

Researchers at Yale University developed a method to trap viruses in cells that prevent their reproduction, potentially alleviating disease. By using 'trap cells' with viral binding sites, the virus population declines towards extinction when the number of trap cells exceeds a threshold.

Shaky details? Come up with a good story and people might not notice

A new paper from the Journal of Consumer Research distinguishes between narrative and analytical self-referencing in ads. Narrative self-reference almost always leads to favorable evaluations, while analytical self-reference can lead to negative responses if the ad's message is not well-reasoned.

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.

Are some people immune to avian flu?

A study published in PLoS Medicine found that some people have low-titer antibodies against H5N1 influenza, suggesting potential protection. The researchers also observed cross-reactive antibodies in mice, which afforded partial protection against avian H5N1 infection.

Emerging research heralds new era of breast cancer management

Emerging research in breast cancer management includes advanced imaging technologies like 3D mammography and MRI, as well as novel vaccines that stimulate the immune system to attack tumors. This new approach aims to alter current screening and treatment paradigms, improving patient care.

Increased risks of planned cesarean births must be clearly conveyed

A study published in the Canadian Medical Association Journal found that women having a planned cesarean section are at a significantly higher risk of severe complications. The rate of severe complications was found to be 27.3 per 1000 deliveries for cesarean sections, compared to 9.0 per 1000 deliveries for vaginal deliveries.

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.

Texas researchers aim to use saliva to diagnose health and disease

Saliva-based diagnostic tools are being developed at the University of Texas at Austin to provide non-invasive testing for health issues. Researchers aim to create lab-on-a-chip sensor systems for measuring biomarkers in saliva samples, making clinical tests more accessible and affordable.

Scientists clone mice from adult skin stem cells

Researchers at Rockefeller University have successfully cloned mice from adult skin stem cells using nuclear transfer, with a success rate of 19 out of 100 attempts. This breakthrough could lead to the creation of personalized embryonic stem cell lines for disease research and treatment.

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.