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Science News Archive 2008


Page 27 of 240

Scientists discover new species of Ebola virus

The discovery of Bundibugyo ebolavirus represents a significant addition to the puzzle of the Ebola virus genus. The new virus is genetically distinct from all other known Ebola virus species, differing by more than 30% at the genetic level. This finding has implications for the development of diagnostics, antivirals, and vaccines.

Soybean grant gives researchers tools to unravel better bean

A team of researchers led by University of Georgia's Wayne Parrott is using a jumping gene in rice and radiation to identify key genes in soybeans that can be used to produce a better bean. This project aims to improve soybean yield, disease resistance and nutritional content.

December 2008 highlights from Biology of Reproduction

A recent study published in Biology of Reproduction found that SOHLH2 plays a critical role in the formation and survival of oocytes and primordial follicles in mouse ovaries. The study, led by Youngsok Choi et al., discovered that SOHLH2 is essential for both oogenic and folliculogenic processes.

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.

Preventing tumor cells from refueling: A new anti-cancer approach?

Researchers have identified a potential new target for anticancer therapeutics by showing that well-oxygenated tumor cells use lactate as a fuel, while hypoxic cells use glucose. Inhibiting this protein MCT1 disrupts the symbiotic relationship between the two cell types, leading to decreased tumor growth in mouse models.

Misreading of damaged DNA may spur tumor formation

Researchers have discovered that cells can turn on tumor-promoting growth circuits as a result of misreading damaged DNA without copying it. The results suggest that DNA damage, if it hits certain critical genes in a cell, could lead to transcriptional mutagenesis that spurs the cell to divide.

New research will seal the future of green packaging

Researchers are developing a new high-speed environmentally-friendly packaging process that uses recycled materials and reduces plastic waste. The project aims to cut landfill waste by 13% and save over 39,000 tonnes per year.

UT trainees tackle health information technology issues

Researchers at UT Health Science Center Houston are tackling healthcare information technology issues using a $1.3 million AHRQ grant, focusing on projects to increase patient safety. The trainees aim to design systems that help physicians prioritize notifications and make informed decisions in the emergency room.

Apple iPhone 17 Pro

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

New insight into the controls on a go-to enzyme

Researchers have gained new insights into the regulation of calpains, enzymes involved in cellular processes and linked to disorders such as muscular dystrophy and Alzheimer's disease. The study reveals how calpastatin attaches to calpain with precise specificity, providing potential targets for drug development.

Scientists are high on idea that marijuana reduces memory impairment

Scientists found that a synthetic THC-like drug can improve memory in aging rats by reducing inflammation and stimulating the formation of new brain cells. The study suggests that a safe, legal substance mimicking marijuana's properties could help prevent or delay Alzheimer's disease.

Report finds extensive use of illicit alcohol

A new report by International Center for Alcohol Policies reveals widespread consumption of noncommercial alcohol in sub-Saharan Africa, southern Asia, and central/eastern Europe. The report highlights the detrimental effects of this illicit alcohol on society, including contamination and toxicity posing serious public health threats.

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.

ADHD medications do not cause genetic damage in children

Researchers at NIH and Duke University Medical Center found no evidence of cytogenetic damage in children taking stimulant medications for ADHD. The study included 63 children aged 6-12 who received either methylphenidate or mixed amphetamine salts, and showed similar results with both treatments.

Astronomers catch binary star explosion inside nebula

Researchers have captured a rare binary star explosion inside a planetary nebula, offering new insights into stellar evolution. The study predicts that the combined mass of the two stars could lead to a larger supernova explosion.

Cedars-Sinai researchers present new findings at neuroscience meetings

Researchers from Cedars-Sinai Medical Center presented several studies on brain-immune interactions, including the role of cilia in regulating hippocampal neurogenesis and the use of dendritic cells to boost anti-glioma immune responses. These findings have important implications for our understanding of the brain's immune system and p...

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.

Garlic chemical tablet treats diabetes 1 and 2

A drug based on a garlic chemical, vanadium-allixin, reduces blood glucose levels in diabetic mice, offering promise as an oral treatment for diabetes. The study aims to test the drug in humans in future work.

Scientists sequence woolly-mammoth genome

The researchers sequenced the mammoth's nuclear genome, yielding information about its evolution and extinction. They found that woolly mammoths separated into two groups around two million years ago and eventually became genetically distinct sub-populations.

Uncovering secrets of life in the ocean

Scientists studying the larvae of a marine ragworm discovered that nerve connections between the photoreceptor cell and cilia regulate swimming motion. This finding sheds light on how early eyes evolved to sense direction and drive phototaxis in marine plankton.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

UCAR weather forecasts aim to reduce African meningitis epidemics

The UCAR project aims to provide long-term weather forecasts to medical officials in Africa to target vaccination programs and reduce meningitis epidemics. The forecasts will be used to focus on regions most at risk, pulling back from areas that are about to get rain, and helping vulnerable populations.

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.

Very low birth weight is a risk factor for 1 cause of CKD

Individuals born with very low birth weights are at higher risk of developing secondary focal segmental glomerulosclerosis, a condition that causes scarring in the kidneys. This association highlights the importance of considering birth history in adult patients to prevent misdiagnosis and inadequate treatment.

Montana State partnership receives $66.9M for carbon sequestration

The partnership will test sequestration methods and develop infrastructure to tackle carbon management, with a focus on the region's vast energy resources. The project aims to validate carbon sequestration as a technology to reduce greenhouse gases and promote energy independence.

US military technology protects critically endangered goliath grouper

A new acoustic underwater camera system developed by the US Department of Defense is being used to study the juvenile goliath grouper in mangrove habitats. The technology allows researchers to visualize individual fish species and habitat without light or visibility conditions, providing critical information for conservation efforts.

Fluke 87V Industrial Digital Multimeter

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

UTSA Institute for Cyber Security launches technology incubator

The University of Texas at San Antonio Institute for Cyber Security has launched a new Internet security incubator to develop and assist in the commercialization of promising cyber security technologies. The first companies selected are Denim IP and SafeMashups, both from San Antonio.

More at-risk teens and young adults engaging in anal intercourse

Researchers at the Bradley Hasbro Children's Research Center found that 16% of adolescents and young adults engaged in heterosexual anal intercourse within three months of having unprotected sex. The study highlights the need for better communication and protection around anal sex among young people, particularly females who are more l...

Researchers make new electronics -- with a twist

Researchers have developed electronics that can withstand complex deformations, including twisting. Their 'pop-up' technology has been improved to create circuits that can bend, stretch, and twist, enabling new applications in medical and athletic fields.

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.

Urban trees enhance water infiltration

Researchers found that urban tree roots can penetrate compacted subsoils, increasing infiltration rates by up to 153% in reservoirs. Structural soil reservoirs also showed a 27-fold increase in infiltration rate compared to unplanted controls.

Surgeons perform world's first pediatric robotic bladder reconstruction

Surgeons at the University of Chicago Medical Center have successfully performed the world's first pediatric robotic bladder reconstruction, using the DaVinci system. The innovative technique resulted in good outcomes and minimal complications, with the patient regaining full control over her bladder after six weeks.

Track your fitness, environmental impact with new cell phone applications

Researchers at the University of Washington have developed two new cell phone applications, UbiFit and UbiGreen, to automatically track workouts and eco-friendly transportation. These programs display motivational pictures on the phone's background screen, motivating users to maintain their exercise routine and green habits.

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.

Elsevier announces launch of PM&R in partnership with the AAPM&R

The new journal, PM&R, emphasizes principles of injury, function, and rehabilitation, covering topics such as musculoskeletal disorders, neurologic conditions, and rehabilitation of impairments. The journal aims to advance education and impact the specialty through timely delivery of clinically relevant research and review information.

Deep brain mapping to isolate evidence of Gulf War syndrome

The study aims to separate dysfunctional brain activity from 'noise' using spatial statistical modeling, a new technique that uses neighboring locations to strengthen weak signals. The research could help identify specific areas of the brain affected by the syndrome in Persian Gulf War veterans.

Climate change opens new avenue for spread of invasive plants

A team of scientists found that climate change allows certain plants to defend themselves against local enemies more effectively than native plants. This shift in the balance of ecosystems could lead to an increase in invasive plant species and a loss of biodiversity.

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.

Rational or random? Professor models how people send e-mails

Researchers studied e-mails sent from over 3,000 accounts and found that people don't respond to e-mails randomly, but rather in cycles influenced by their daily routines. The model reveals non-random intervals between e-mails, including times when people are sleeping.

New platinum-phosphate compounds kill ovarian cancer cells

A new class of compounds, phosphaplatins, can effectively kill various types of cancer cells, including ovarian, testicular and head and neck cancer cells, with potentially fewer side effects than conventional drugs like cisplatin and carboplatin.

Enzyme discovery may lead to better heart and stroke treatments

A Queen's University study has shed new light on the control of a cell enzyme implicated in tissue damage after heart attacks and strokes. The research team discovered a way to block the enzyme's activity, which could lead to new drug treatments for stroke and heart disease.

A model to measure soil health in the era of bioenergy

A team of scientists developed a model to measure soil quality and predict long-term changes in soil organic carbon and organic matter. The CQESTR model simulates the effects of various management practices on soil dynamics, providing insights for sustainable crop and soil management.

Biomedical research profits from the exploration of the deep sea

A team of scientists has discovered a new green fluorescent protein in a deep-sea creature, which can be used as a marker in living cells and tissues. The protein, named cerFP505, has similar brightness and stability to existing fluorescent proteins, making it an ideal lead structure for super-resolution microscopy.

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.

Between success and failure

A recent survey shows that nearly a quarter of second-generation Turkish and Moroccan immigrants in the Netherlands drop out of school, while others excel in higher education. The survey attributes the discrepancies to factors such as low parental educational levels, inadequate diversity in schools, and language capacity.

Biomarkers used to predict chronological and physiological age

Scientists have discovered biomarkers predicting chronological and physiological age in nematode worms, with implications for human anti-aging therapies. The study's findings, published in Aging Cell, suggest that examining biomarkers over time can provide a scientific baseline for clinical trials.

Researchers shed new light on catalyzed reactions

Rice University scientists develop technique to view step-by-step breakdown of TCE, a common groundwater pollutant, using nanoparticles and surface-enhanced Raman spectroscopy. The method provides new level of detail for understanding catalyzed reactions in water, with potential applications in biofuels processing.

First trachea transplant without immunosuppression

A pioneering operation performed by Professor Paolo Macchiarini and his team successfully transplanted a trachea without immunosuppression. The hybrid tissue was created by repopulating donor cells with stem and epithelial cells from the recipient, eliminating the need for immunosuppression.

Meta Quest 3 512GB

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

Study suggests attending religious services sharply cuts risk of death

A recent study published in Psychology and Health suggests that attending religious services regularly can reduce the risk of death among post-menopausal women by approximately 20 percent. The researchers found that even after controlling for other factors such as social support and lifestyle choices, the improvements in mortality rate...

Leeds researchers reshape the future of drug discovery

Scientists at the University of Leeds have created a new method to build molecules with unique structures, which could lead to the discovery of new drugs. The approach uses 'metathesis' reactions and allows for the creation of molecules with diverse shapes, enabling researchers to target specific proteins.

K-State economist's research on low-income homeowners

A study by K-State economist Tracy Turner and DePaul University professor Marc Smith found that programs assisting low-income households with home purchases may do more harm than good, leading to higher rates of foreclosure. The research highlights the need for post-purchase support to help vulnerable homeowners sustain their homes.

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.

How do bacteria swim? Brown physicists explain

Researchers at Brown University have studied the swimming patterns of Caulobacter crescentus, a single-celled bacterium with a flagellum. The study reveals that drag and Brownian motion govern the circular swimming patterns of the microbe, which helps explain how bacteria scavenge for food and adhere to surfaces.