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Science News Archive January 2009


Page 5 of 19

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.

UT to develop fracture putty for traumatic leg injuries

Biomedical engineers at UT Health Science Center are developing a 'fracture putty' that could regenerate bones and reduce the need for amputations. The putty, made from nanoporous silicon, aims to mimic bone structure and function, allowing patients to regain full use of their limbs in a shorter period.

Scientists uncover new genetic variations linked to psoriasis

Researchers discovered seven new genetic variants that increase the risk of psoriasis, clustering in pathways involving IL-23 and NF-kappaB. The absence of skin genes LCE3B and LCE3C also increases the risk of the disease, suggesting an inappropriate immune response.

Unmasked and vulnerable

A clinical trial found adult mask wearers were four times more likely to be protected against respiratory viruses. Masks are particularly important during pandemics when vaccine development is delayed and supplies may be scarce for frontline workers.

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.

Protecting the nest egg: Special gifts have symbolic value

A new study in Journal of Consumer Research finds that gifts from family members have great symbolic value, treated with care, and become surrogate family members. Families sustain their heritage by imposing hierarchies on assets, expanding our understanding of inalienable wealth.

'Happiness gap' in the US narrows

Research by University of Pennsylvania economists finds the American population as a whole is no happier than it was three decades ago, but happiness inequality has narrowed significantly. The study found that non-whites report being significantly happier than they were in the early 1970s, while whites are slightly less happy.

Mysteries of categorization: How consumers think about new products

Researchers developed a model explaining how consumers categorize new hybrid products, finding that activation flows through category structures. The Category Activation Model predicts positioning a new subcategory under relevant parent categories with many subcategories connected

Contagious products: For good luck, stay close to a winner

A study in the Journal of Consumer Research found that consumers are drawn to products near a winning streak, regardless of whether luck actually plays a role. This phenomenon, known as 'contagiousness,' influences product choice and advertising persuasiveness.

Apple iPhone 17 Pro

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

NIH awards Case Western Reserve University $1.33M

The university will develop an informatics infrastructure to collect, manage and analyze diverse data types across institutions. This project aims to improve collaboration and sharing of information between investigators, leading to new approaches for screening, diagnosing and treating illnesses.

Shaken self-confidence? Certain products and activities can fix it

Researchers discover that subtle manipulations like using non-dominant hands can lower self-confidence, but purchasing products or affirming unrelated values can restore it. Participants who chose healthier options after being shaken out of their confidence were more likely to have been given the opportunity to bolster their self-view.

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.

Human induced plurtipotent stem cells reprogrammed into germ cell precursors

Scientists have successfully reprogrammed human induced pluripotent stem (iPS) cells into the cells that eventually become eggs and sperm. This breakthrough may lead to new treatments for infertility using patient-specific cells. However, further research is needed to determine if iPS-derived germ cells can correctly regulate themselves.

Scientists identify bacteria that increase plant growth

Researchers at Brookhaven National Laboratory discovered plant-associated bacteria that can improve plant growth on marginal land, increasing biomass and carbon sequestration. The findings have implications for sustainable biofuel production without competing with food crops or agricultural land.

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.

Early childhood stress has lingering effects on health

A study by the University of Wisconsin-Madison found that early childhood stress can have long-lasting effects on kids' health, including impaired immune function. Adolescents who experienced physical abuse or time in an orphanage showed higher levels of antibodies against herpes simplex virus type 1.

JCI table of contents: Jan. 26, 2009

A study by Wajahat Mehal and colleagues found that aspirin reduces liver damage caused by acetaminophen overdose. In contrast, glucocorticoid therapy may cause varying levels of brain injury in neonates, depending on the type of steroid used. These findings have important implications for treatment strategies.

Roadkill study could speed detection of kidney cancer

Researchers have identified a diagnostic biomarker SPOP that can accurately detect clear cell renal cell carcinoma, the most common type of kidney cancer. The study found that 99% of clear cell RCC samples showed elevated SPOP levels, making it a highly sensitive and specific diagnostic tool.

We're not buying it: Product add-ons influence consumer judgment

A study by Bertini et al. found that consumers favorably perceive products with add-ons, particularly those improving existing features, while negative impressions of optional upgrades lead to more favorable ratings. Conversely, participants tend to like downgrades over no add-ons at all.

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.

New study: Short coverage lapses limit children's access to health care services

A new study published in Medical Care Research and Review found that even short gaps in health coverage can significantly decrease the likelihood of a child receiving medical care. The study suggests improving enrollment retention in SCHIP, Medicaid, and private coverage to ensure children maintain access to necessary healthcare.

Statins may treat blood vessel disorder that can lead to fatal strokes

A study published in Nature Medicine suggests that statin drugs can stabilize blood vessels and prevent leaks in people with cerebral cavernous malformation (CCM). The disease, which affects an estimated 1.5 million people in the US, has no known drug therapy and often requires brain surgery or radiation treatment.

'Birth control' for centrioles

Researchers at Rockefeller University Press have uncovered a mechanism that limits centriole duplication, allowing cells to fashion extra centrioles only once per cell cycle. This discovery could lead to the development of new cancer treatments by restricting tumor cells' ability to replicate centrioles.

Consumers desire more genetic testing, but not designer babies

A study found that consumers desire more genetic testing for life-altering conditions such as mental retardation, blindness, and cancer, but are less interested in prenatal testing for traits like superior intelligence or athletic ability. The study suggests that consumers prioritize screening for diseases over enhancements.

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.

Appointment of new PEPFAR head should be merit based

The Lancet emphasizes the importance of a competitive merit-based selection process for the new PEPFAR head. Key qualifications include visionary leadership, global health expertise, and experience in collaboration with various stakeholders.

CSHL scientists find a new class of small RNAs and define its function

Researchers at Cold Spring Harbor Laboratory discovered a new class of small RNAs that regulate gene expression by acting as 'off' switches at specific sites. The study also reveals a strikingly novel biochemical pathway for RNA processing, which may have significant implications for understanding human disease.

Rape in war demands more attention from medical editors and health professionals

A new editorial emphasizes the need to address the devastating impact of rape as a weapon of war, citing conflicts in the DRC, Burma, Sudan, and former Yugoslavia. The PLoS Medicine editors argue that medical journalists and editors can draw attention to this issue, influencing support for humanitarian organizations and advocacy groups.

Mental shortcuts: New study examines consumer choice process

A new study in the Journal of Consumer Research found that people's level of desire to think analytically about choices (NFC) and cognitive load significantly impact their use of mental shortcuts when making product selections. Researchers identified two factors that can lead consumers to use heuristics, including NFC and cognitive load.

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.

New asthma research opposes current drug treatment, says UH prof

A new study supports a University of Houston professor's theory that blocking the beta-2 adrenoreceptor receptor instead of stimulating it could be a safer and more effective strategy for long-term asthma management. The research, published in PNAS, reveals that a mouse model without the key gene produces fewer asthma-like symptoms.

'Great speciators' explained: It's intrinsic

New research reveals that white eyes in the Zosteropidae family form new species at a faster rate than any other bird, with the fastest known rate among birds being around 2.24-3.16 species per million years. This supports the 'Great Speciator' hypothesis, suggesting intrinsic traits of sociability and adaptability drive the system.

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.

Caution: Lose more than weight with imported diet pills

Researchers found that these diet pills contain a range of addictive substances, including amphetamines, benzodiazepines, and diuretics. Physicians are advised to be aware of the dangers of these imported diet pills, which can cause serious side effects such as chest pains, palpitations, and insomnia.

Move over, sponges

A comprehensive analysis confirms that Placozoans are the most primitive non-bilateral animals, with a genome that shares key tools for nervous system development. This challenges traditional views of animal evolution, placing Placozoans as the closest living surrogate to the ancestor of all animals.

Patients starting Parkinson's drug rasagiline earlier do better

A new study found that patients starting rasagiline earlier experienced less progression of Parkinson's disease symptoms and signs, including rigidity and activities of daily living. The long-term study showed a 16% less progression in the early-start group compared to those who delayed treatment for six months.

An individualized approach to breast cancer treatment

Researchers at Tel Aviv University have refined breast cancer identification using a combination of MRI and ultrasound, allowing for earlier detection and personalized treatment. The new approach measures metabolism rates of cancer cells, helping determine which tumors will metastasize and how they should be treated.

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.

How does a dog walk? Surprisingly, many of us don't really know

A recent study published in Current Biology found that anatomists and others incorrectly depict quadruped walking in half of their depictions. The correct gait involves alternating legs, with animals differing only in timing. This mistake is often due to carelessness or reliance on incorrect models.

Gene-engineered flies are pest solution

Researchers have created gene-engineered male flies that die as embryos, outcompeting wild pests and reducing crop damage. This new method of pest control eliminates the need for radiation, increasing safety and effectiveness.

Fluke 87V Industrial Digital Multimeter

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

Trust your gut: Too much thinking leads to bad choices

A new study published in the Journal of Consumer Research found that people who deliberately weigh their options make less accurate judgments than those who trust their instincts. In five separate studies, researchers found that complex decisions led to decreased effectiveness of deliberation.

Celestron NexStar 8SE Computerized Telescope

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

Research identifies risk factors that affected World Trade Center evacuation

A study by Columbia University's Mailman School of Public Health identified key risk factors that delayed or prolonged the evacuation from the World Trade Center Towers on September 11. The researchers found that lack of awareness and experience, as well as personal concerns and poor footwear, contributed to time delays.

First comprehensive paper on statins' adverse effects released

A comprehensive review of nearly 900 studies on statin side effects reveals a spectrum of reported issues, from muscle problems to cognitive decline. The study also highlights the link between mitochondrial dysfunction and increased risk of adverse effects.

Researchers identify 4 genetic hotspots associated with psoriasis

A recent study identified four new DNA 'hotspots' linked to psoriasis, an autoimmune disease that causes scaling and inflammation. The study also confirmed the association of two previously identified sites with psoriasis, revealing potential genetic markers for the disease.

Study compares exercise regimens for obese older adults

A randomized clinical trial involving sedentary obese older adults found that a combination of resistance and aerobic exercises improved insulin resistance and functional limitations. The study showed greater improvements with combined exercise compared to individual types of exercise.

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.

Cutting salt isn't the only way to reduce blood pressure

A new study found that increasing potassium intake and reducing sodium consumption can significantly lower the risk of cardiovascular disease. Researchers analyzed 24-hour urine samples from over 2,900 participants and discovered a strong correlation between the ratio of sodium-to-potassium in urine and cardiovascular disease.

Common medication associated with cognitive decline in elderly

A study published in Journal of the American Geriatrics Society suggests that certain medications may be associated with cognitive decline in older adults. The research found that chronic use of medications with anticholinergic properties can lead to memory difficulties and impaired daily functioning.