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Science News Archive 2011


Page 147 of 311

Current, not prior, depression predicts crack cocaine use

A new study published in Addiction found that women in drug court with current major depression were more likely to use crack cocaine within four months. The study suggests that addressing depression could reduce the number of women who fail to beat crack addiction in drug court.

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.

Rensselaer Ph.D. candidate Philip W. Robinson awarded Fulbright Grant

Philip W. Robinson, a Rensselaer Ph.D. student, has been awarded a Fulbright grant to conduct research in architectural acoustics at Aalto University of Science and Technology in Helsinki, Finland. His research aims to understand how architectural enclosures transform sound to produce specific perceptual effects.

Ready, go!

Researchers at Stowers Institute for Medical Research discovered the role of Super Elongation Complex (SEC) in controlling gene expression during early development. They found that SEC facilitates coordinated and rapid induction of genes, including Hox genes, which are essential for embryonic development.

Apple iPhone 17 Pro

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

Researchers examine way to undercut dust emissions

Researchers have identified a promising conservation tillage technique called undercutting, which can reduce PM10 emissions by 30-70% compared to conventional tillage. This method creates an aerodynamically rougher soil surface, promoting retention of crop residue and reducing wind erosion.

Roll out treatment as prevention now to stop HIV and AIDS

The International AIDS Society advocates for an expanded global HIV strategy that incorporates 'Treatment as Prevention' to reduce transmission and prevent the onset of AIDS. This approach promotes widespread HIV testing and facilitated access to free treatment for all medically eligible individuals.

Galaxy sized twist in time pulls violating particles back into line

Physicist Dr. Mark Hadley proposes a galaxy-scale explanation for Charge Parity violation, suggesting galactic rotation's effect on space-time causes differences in particle decay rates. This theory preserves parity while offering a new explanation for the matter-antimatter imbalance.

Breaking down cellulose without blasting lignin

The study of brown rot fungus Serpula lacrymans' genome reveals new insights into cellulose breakdown and its role in the global carbon cycle. The findings have significant implications for biofuel production and could lead to more efficient processes.

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.

Ocean acidification will seriously impact mussel populations

The study found that ocean acidification has a strong impact on shell strength and size in mussel larvae, leading to reduced survival rates and ecosystem balance disruption. The findings suggest that increased CO2 levels could affect the delicate balance of coastal ecosystems.

Loss of large predators has caused widespread disruption of ecosystems

The decline of apex consumers has triggered trophic cascades, leading to changes in vegetation, wildfire frequency, infectious diseases, invasive species, water quality, and nutrient cycles. This review highlights the widespread impact of large predator loss on ecosystems and conservation efforts.

NASA satellite sees Typhoon Ma-on soaking Guam

Typhoon Ma-on has brought heavy rainfall to Guam, with NASA satellite data detecting powerful thunderstorms containing rainfall rates of 2 inches/50 mm per hour. The National Weather Service has issued urban and small stream flood advisories until 2 a.m. CHST.

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.

When the brain remembers but the patient doesn't

A study published in Cortex demonstrates that the unconscious brain continues to process information even when the conscious brain is incapacitated. The researchers found that a patient with prosopagnosia, or face blindness, showed brain activity responding to familiar faces despite not being able to recognize them.

New clues to the structural dynamics of BK channels

A new study identifies a key residue M314 involved in BK channel opening, suggesting a different structural model for the channel. The findings provide important insights into the molecular mechanisms of BK channel activation and open up new avenues for research.

Early-stage melanoma tumors contain clues to metastatic potential

Researchers at Dana-Farber Cancer Institute found six abnormal genes that are both cancer-causing and metastasis-promoting in melanoma skin cancer. These genes can be used to predict whether human melanoma tumors are likely to spread, enabling doctors to cure the disease by intervening early.

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.

The unfolding 'SAGA' of transcriptional co-activators

Researchers at Stowers Institute for Medical Research discovered SAGA's importance in fruit fly development, targeting different genes by interactions with transcription factors. SAGA regulates transcription elongation and is associated with paused polymerase II on developmentally regulated genes.

ASTRO publishes white paper on IMRT safety

The American Society for Radiation Oncology has published a white paper to improve the safe use of IMRT, which requires more time and resources from cancer clinics. The report provides practical guidance to strengthen IMRT programs, reducing errors and improving treatment outcomes.

Stem cell study reveals complexity of glue molecule's role in cancer

A recent stem cell study has found that the protein molecule E-cadherin, which plays a key role in cancer, also regulates up to 25% of genes within cells. This unexpected discovery could lead to new cancer treatments by understanding why some cancer cells are difficult to eradicate.

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.

Does Chinese chocolate taste better than Swiss? Depends on when you find out

A study found that consumers prefer Chinese chocolate over Swiss when informed about its origin after tasting, contrary to expectations. The preference reversed when participants were told the country of origin before consuming the chocolate, suggesting a strong association between Switzerland and high-quality chocolate.

Wood products part of winning carbon-emissions equation, researchers say

A recent study published in the journal Carbon Management suggests that using wood products can reduce carbon emissions by up to 10 tons per ton, making them a viable alternative to fossil fuels. Sustainably managed forests are found to be essentially carbon neutral, but older forests have limited capacity to absorb carbon dioxide.

Genome blueprint for horse and human vaccines

Researchers have identified genetic similarities between Streptococcus pyogenes and Streptococcus equi, two bacteria that cause potentially fatal infections in humans and horses. The study suggests a shared strategy for causing disease and offers hope for developing novel vaccines for both species.

Fluke 87V Industrial Digital Multimeter

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

A mutation in a protein-sorting gene is linked with Parkinson's disease

Researchers identified a pathogenic mutation in the VPS35 gene associated with late-onset Parkinson's disease, implicating a novel protein-recycling pathway in neurodegeneration. The study provides new insights into the disease's pathogenesis and highlights the potential for therapeutic intervention.

Loss of top animal predators has massive ecological effects

The decline of large predators and herbivores worldwide is causing substantial changes to ecosystems, leading to increased disease transmission and invasive species. This 'trophic downgrading' also affects soil, water, vegetation, and the atmosphere.

Celestron NexStar 8SE Computerized Telescope

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

Dry onion skin has a use

The brown skin and external layers of onions are rich in fibre and flavonoids, while the discarded bulbs contain sulphurous compounds and fructans, which have beneficial health effects.

NSF sponsors $18.5 million effort to create mind-machine interface

The NSF-funded Engineering Research Center for Sensorimotor Neural Engineering will develop new technologies for amputees, stroke patients, and those with cerebral palsy. Researchers aim to create implantable prosthetics controlled by brain signals, revolutionizing robotic systems integration with the body's nervous system.

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.

Sea urchins cannot control invasive seaweeds

Researchers found that sea urchins have limited effect on controlling invasive seaweeds like Caulerpa racemosa and Lophocladia lallemandii in the Mediterranean. High sea urchin densities can limit their establishment, but they exert no control in highly invaded areas.

Meta Quest 3 512GB

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

Is meditation the push-up for the brain?

A study found that long-term meditators have stronger connections between brain regions and show less age-related brain atrophy. The effects are evident throughout the entire brain, not just in specific areas.

Molecules 'light up' Alzheimer's roots

Rice University researchers have created a metallic molecule that becomes strongly photoluminescent when it attaches to amyloid fibrils, which form plaques in the brains of Alzheimer's patients. This breakthrough technique has the potential to improve the design of medications to treat the devastating disease.

Stem cell 'memory' can boost insulin levels

Researchers at Tel Aviv University have discovered that adult-derived stem cells can retain 'memories' of their pancreatic beta cell origins, making them more efficient at producing insulin. This breakthrough may pave the way for new treatment options for juvenile or type 1 diabetes.

Gene migration helps predict movement of disease

Researchers have developed a computation to predict gene migration patterns and their impact on disease spread. The study applies mathematical tools to represent migration patterns, providing insights into the spread of beneficial genes through populations.

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.

Cancer data not readily available for future research

A recent study by Dr. Heather Piwowar found that cancer research is less likely to make its raw data available for reuse compared to other fields. Only 45% of gene expression studies were deposited in public databases, despite the importance of sharing these datasets for future research.

Neural mechanisms of object recognition

Researchers examined the brain of a person with object agnosia, revealing that damage to a specific area can affect distant cortical regions. The study suggests that neural plasticity is possible even when the brain is damaged in adulthood.

The unsolved mystery of kava toxicity

A new review of scientific knowledge on kava reveals no consensus on its toxicity, with various theories including preparation methods and genetic differences. Pacific Island cultures have safely consumed kava for centuries, but Western countries have reported liver damage and banned or regulated kava products.

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.

New elegant technique used for genomic archaeology

Researchers developed a new technique to analyze whole genomes from different populations, revealing continued genetic exchange between African and non-African populations after 60,000 years ago. The study provides fresh insights into human history from 10,000 to one million years ago.

Warwick wins $2.7 million research grant to help 'cooltronics'

The University of Warwick has been awarded a prestigious five-year, £1.7 million Platform Grant from the EPSRC to realise its exciting new developments in silicon-based technologies. This grant will enable researchers to further their work on 'cooltronics', zero-power electronics, and could be key to combating global climate change.

Rise in risk inequality helps explain polarized US voters

A new study suggests that changes in the labor market since the 1970s have led to more Republican and Democratic partisans, with fewer independents. The growth in partisanship is linked to people's current income and expectations of job security.

Twin ARTEMIS probes to study moon in 3-D

Two NASA probes, part of the THEMIS mission, will map the lunar surface and its magnetic field. The ARTEMIS mission aims to acquire a full 3D view of the moon's magnetic fields and surrounding environment.

Progesterone inhibits growth of neuroblastoma cancer cells

Scientists at Emory University School of Medicine have discovered that high doses of progesterone can inhibit the growth of neuroblastoma cancer cells. In laboratory research, progesterone was found to cut tumor growth in half over eight days without causing harm to healthy neurons.

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.