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Science News Archive 2008 - Page 140


Page 140 of 240

Novel therapeutic strategy for colon cancer treatment

Researchers at A*STAR have discovered a novel approach to kill colon cancer cells using a genetic regulator called DACT3. The team developed a pharmacological strategy to restore DACT3 expression, leading to effective inhibition of Wnt/β-catenin signaling and massive death of colon cancer cells.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalCancer Cell·DateJun 9, 2008

Poor sleep a problem in long-term breast cancer survivors

A study of 246 long-term breast cancer survivors found that poor sleep is a significant problem for many women, with hot flashes, physical functioning, and depressive symptoms being key predictors. The American Academy of Sleep Medicine recommends getting between seven and eight hours of nightly sleep to enhance overall quality of life.

SourceAmerican Academy of Sleep Medicine·DateJun 9, 2008
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.

Study identifies brain pathway that shuts down seizures

Researchers at the University of Iowa have identified a brain pathway that reacts to low pH levels, shutting down seizure activity. The study reveals that an acid-activated ion channel, ASIC1a, plays a crucial role in terminating seizures, providing new insights into the condition and potential therapeutic approaches.

SourceUniversity of Iowa·JournalNature Neuroscience·DateJun 8, 2008

Caution on stem cell therapy

Researchers discover at least one or two additional types of adult stem cells beyond Bmi1-expressing cells, found primarily in the upper third of the intestine. This finding complicates stem cell therapy for diseases such as Parkinson's and heart disease, requiring recognition of organ-specific stem cell complexity.

SourceUniversity of Utah Health·JournalNature Genetics·DateJun 8, 2008

Surprising graphene

Researchers measured graphene's properties with unprecedented accuracy, confirming its unusual features and revealing significant departures from theoretical predictions. The results point to novel practical applications in nanoscale electronics.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Physics·DateJun 8, 2008

Duke scientists show why cells starved of iron burn more glucose

Researchers found that cells lacking iron reorganize their metabolism to use less efficient glucose-based pathways, producing lower energy levels. This mechanism may help explain human responses to iron deficiency and potentially aid in diabetes research.

SourceDuke University Medical Center·JournalCell Metabolism·DateJun 8, 2008
Celestron NexStar 8SE Computerized Telescope

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

Origins of the brain

New research explores the evolutionary origins of the brain, shedding light on how complex synapse structures drove brain evolution. The study finds that sophisticated molecular processing of nerve impulses was key to developing animals with more complex behaviors.

SourceWellcome Trust Sanger Institute·JournalNature Neuroscience·DateJun 8, 2008

Diet prior to pregnancy determines sheep's gender

Research shows that ewes fed a diet enriched with polyunsaturated fats have a significantly higher chance of giving birth to male offspring. This finding suggests that dietary composition around conception can influence sex ratio in farm species.

SourceBMC (BioMed Central)·JournalReproductive Biology and Endocrinology·DateJun 8, 2008

AcademyHealth honors leading health services researchers

The four award winners – David Blumenthal, Ashish Jha, Ming Tai-Seale, and J. Michael McWilliams – have made groundbreaking research in areas such as health information technology, quality management, and access to healthcare services. AcademyHealth's awards promote the sharing of perspectives and strengthening of working relationships...

SourceAcademyHealth·DateJun 8, 2008
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.

New pathogen from pigs' stomach ulcers

Scientists have isolated a new bacterium, Helicobacter suis, in pigs' stomachs using a pioneering technique. The bacterium is associated with stomach ulcers in pigs, which may cause sudden death, and has been linked to an increased risk of infection in humans who are close to the animals.

SourceMicrobiology Society·JournalINTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY·DateJun 8, 2008

UCLA researchers develop new PET scanning probe that will allowing monitoring of the immune system

Researchers at UCLA's Jonsson Comprehensive Cancer Center have created a new probe that allows for the modeling and measurement of the immune system in action. The probe enables scientists to monitor the immune response at the whole body level in 3D, facilitating faster diagnosis and treatment evaluation of immunological disorders.

SourceUniversity of California - Los Angeles·JournalNature Medicine·DateJun 8, 2008
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.

Sour comes after a lemon has gone

A Japanese research group identified the PKD1L3-PKD2L1 channel complex as a key player in the sour taste sensation. This 'off-response' mechanism allows humans to detect sour flavors even after the removal of acidic stimuli.

SourceNational Institute for Physiological Sciences·JournalEMBO Reports·DateJun 6, 2008

New technology enhances therapeutic potential of cord blood stem cells

Researchers at Rush University Medical Center present pre-clinical data on a CD26 Inhibitor that increases the efficiency and responsiveness of umbilical cord blood for bone marrow transplants. The technology may improve treatment outcomes for blood cancer patients who require stem cell transplantation.

SourceRush University Medical Center·DateJun 6, 2008
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 guidelines for treating resistant hypertension

The American Heart Association recommends modifying lifestyle factors such as reducing salt intake, losing weight, and drinking less alcohol to treat resistant hypertension. Effective treatment also requires better diagnosis of secondary causes and effective use of multiple-drug treatments, including long-acting diuretics and mineraloc...

SourceUniversity of Alabama at Birmingham·JournalHYPERTENSION·DateJun 6, 2008

Weight gain may be healthy when it comes to type 1 diabetes

Researchers found that patients who gained weight over time had lower mortality rates, suggesting that a reasonable amount of weight gain may be a sign of adequate insulin control. The study also found no significant difference in mortality between those with an overweight or normal BMI and those with an underweight BMI.

SourceUniversity of Pittsburgh Schools of the Health Sciences·DateJun 6, 2008

Adult stem cell findings offer new hope for Parkinson's cure

Researchers have found that adult stem cells from Parkinson's patients' noses can differentiate into dopamine-producing brain cells when transplanted into the brain of a rat. This breakthrough has significant implications for treating the debilitating symptoms of Parkinson's disease.

SourceResearch Australia·DateJun 6, 2008

Circadian math: 1 plus 1 doesn't always equal 2

A new study reveals that short-wavelength light, like natural blue sky light, is highly effective at stimulating the human circadian system. Exposure to multiple wavelengths of light simultaneously can result in less total stimulation compared to viewing individual colors separately, a phenomenon known as spectral opponency.

SourceRensselaer Polytechnic Institute·JournalNeuroscience Letters·DateJun 6, 2008
Apple iPhone 17 Pro

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

Should medical researchers share their results with the volunteers in their studies?

A new review suggests that participants' desire for transparency outweighs bioethicists' concerns about potential negative psychological consequences. Volunteers generally want access to aggregate study results and some individual results if relevant to their lives. However, individual results can be overwhelming and expensive to provide.

SourceMichigan Medicine - University of Michigan·JournalPublication Library and Information Science·DateJun 6, 2008

Crystal clear savings for drug giants

A new technology developed by University of Leeds engineers can monitor crystals as they form in drug manufacture, providing a method to ensure production of desired drug compounds. This can lead to huge delays and costly challenges for drug companies, but the technology has enormous commercial potential.

SourceUniversity of Leeds·DateJun 6, 2008

Militant jihadists are inspired by night dreams, suggests research

A study by Dr. Iain Edgar at Durham University found that militant jihadists often legitimize their actions based on night dreams and connect to a mythical past through these dreams. The research also highlights the significance of understanding night dreams as a tool to assess one's worldview and implicit motivations.

SourceDurham University·DateJun 6, 2008

Forum to focus on math and mechanics behind life processes

Scientists gather to present research on using mechanics to study and explain biology, highlighting the role of faint pushes and pulls in cellular signaling. The symposium aims to develop fundamental math and mechanics to understand biological processes like embryo development and growth.

SourceUniversity of Michigan·DateJun 6, 2008

Cardiac devices and advanced heart failure: Are we selecting the wrong patients?

A Saint Louis University study found that patients with advanced heart failure may not benefit from implantable cardiac devices due to their underlying illness. The researchers identified two red flags: prolonged hospitalization and use of inotropic therapy, which are associated with higher risk of in-hospital mortality.

SourceSaint Louis University·JournalAmerican Heart Journal·DateJun 6, 2008
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Brazil's biotech firms: From imitators to innovators in health-related products

Brazil is transitioning from imitator to innovator in health-related products, with several small and medium-sized enterprises succeeding in developing innovative products. Despite facing challenges such as regulatory barriers and limited access to private equity, Brazil's biotech industry has the scientific capacity to become a major ...

SourceSandra Rotman Centre for Global Health·JournalNature Biotechnology·DateJun 6, 2008

Brain stem cells can be awakened, say Schepens scientists

Scientists at Schepens Eye Research Institute have identified specific molecules that awaken dormant brain stem cells, which can transform into neurons and repair damaged brain tissue. The findings suggest that tapping the brain's regenerative potential may be a promising approach for treating neurodegenerative diseases.

SourceSchepens Eye Research Institute·JournalProceedings of the National Academy of Sciences·DateJun 6, 2008

Caltech scientists decipher the neurological basis of timely movement

Researchers have discovered that the brain uses a forward model to generate predictions about future movements, allowing for rapid and accurate control. This breakthrough has significant implications for the development of neural prosthetic devices and could one day enable people with paralysis to control their limbs through thought.

SourceCalifornia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJun 6, 2008

Serotonin may affect our sense of fairness, scientists report

A recent study suggests that serotonin levels affect our sense of fairness, leading to increased impulsivity and aggression when unfair offers are made. The findings may help explain social difficulties associated with disorders like depression and obsessive-compulsive disorder.

SourceUniversity of California - Los Angeles·JournalScience·DateJun 6, 2008
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.

Scientific information largely ignored when forming opinions about stem cell research

Public attitudes toward embryonic stem cell research are influenced more by religious values and deference to scientific authority than scientific knowledge. For highly religious audiences, understanding the science has no effect on their views, while for less religious individuals, it is linked to more positive attitudes.

SourceUniversity of Wisconsin-Madison·JournalInternational Journal of Public Opinion Research·DateJun 6, 2008

Higher co-payments reduce use of antidepressants

New research from Brandeis University finds that multi-tiered formularies requiring higher copayments for non-preferred medications reduce the use of antidepressants. The study, which analyzed data from a large nonprofit managed care organization, found that out-of-pocket spending increased while health plan spending per user decreased.

SourceBrandeis University·JournalThe Journal of Mental Health Policy and Economics·DateJun 6, 2008
Meta Quest 3 512GB

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

ACCORD clinical trial publishes results

Researchers found that intensively lowering blood sugar to near-normal levels did not significantly reduce the risk of major cardiovascular events, but increased the risk of death. The intensive strategy group had a 22% higher risk of death compared to the standard group.

SourceNIH/National Heart, Lung and Blood Institute·JournalNew England Journal of Medicine·DateJun 6, 2008

Mystery of infamous 'New England Dark Day' solved by tree rings

Researchers at University of Missouri use tree rings to determine that massive wildfires in Canada caused the infamous 'New England Dark Day' in 1780. The study combines written accounts and fire scar evidence to provide a scientific explanation for this mysterious event.

SourceUniversity of Missouri-Columbia·JournalInternational Journal of Wildland Fire·DateJun 6, 2008

MRI useful and reliable in surgical planning of patients with rectal cancer

A recent study conducted by researchers at Qilu Hospital of Shandong University used 3T MRI to stage and plan sphincter-sparing surgery for patients with rectal cancer. The study found that MRI accurately identified 31 of 32 resectable cases, contributing to precise surgical planning.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateJun 6, 2008

U of I study shows how to lose weight without losing bone

A new University of Illinois study found that a higher-protein diet with lean meats and low-fat dairy can lead to significant weight loss without compromising bone health. The research, published in the Journal of Nutrition, showed that participants who followed this type of diet experienced stable or even increased bone density.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Nutrition·DateJun 5, 2008

Duke chemist has new way to tell right from left

A Duke University chemist has created a method to produce synthetic ketone molecules in only one shape, using a faster and more efficient process than previous methods. This breakthrough could lead to the development of drugs with fewer side effects and increased patient safety.

SourceDuke University·DateJun 5, 2008
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.

How cell's master transcribing machine achieves near perfection

Pol II selects correct NTPs to add to mRNA chains with exquisite precision, using a kinetic selection mechanism that involves the trigger loop. The study reveals how Pol II discriminates against incorrect NTPs and sheds light on the mechanisms of fidelity in cellular genetic copying machines.

SourceCell Press·DateJun 5, 2008

Moores UCSD Cancer Center study links vitamin D, type 1 diabetes

A recent study by Moores UCSD Cancer Center researchers found that populations living near the equator have lower incidence rates of type 1 diabetes, suggesting a strong role for vitamin D in reducing disease risks. The study's findings support the concept of using vitamin D to prevent childhood type 1 diabetes.

SourceUniversity of California - San Diego·JournalDiabetologia·DateJun 5, 2008

Researchers observe spontaneous 'ratcheting' of single ribosome molecules

A team of researchers has observed the dynamic, ratchet-like movements of single ribosomal molecules in protein building, revealing a key mechanism for cell survival. The spontaneous back-and-forth rotation between subunits allows the ribosome to advance along messenger RNA as proteins are built.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalMolecular Cell·DateJun 5, 2008
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.

Otters reveal their identity

Researchers have developed two new methods to better estimate the numbers of European Otters and their effects on fish farming industries. Genetic analyses of faeces can prove a promising approach in investigating otter populations. The information can be used to ensure effective nature conservation by calculating fish eaten per pond a...

SourceHelmholtz Association·JournalConservation Genetics·DateJun 5, 2008

Volcano taming

R.D. Schuiling suggests using dolomite or limestone to react with hot lava, cooling it down and solidifying it, potentially saving thousands of lives and homes during future eruptions. He proposes various methods for deploying these rocks, including helicopter drops and aerial cable systems.

SourceInderscience Publishers·JournalInternational Journal of Global Environmental Issues·DateJun 5, 2008

Scientists from Granada develop a new methodology for landfill management

A novel environmental diagnostic method has been designed to quantify landfill environmental impact and adapt to different countries' laws and socioeconomic characteristics. The tool analyzes landfill dynamics and provides a set of environmental indexes to justify Conditioning Plans or Closing Plans.

SourceUniversity of Granada·JournalInternational Journal of Sustainable Development and Planning·DateJun 5, 2008

RAND study finds increase in piracy and terrorism at sea

A RAND study reveals a significant increase in piracy and maritime terrorism, with piracy growing faster and more common than seaborne terrorism. The report calls for U.S. policymakers to expand maritime security measures and encourage industry use of enabling communication technologies.

SourceRAND Corporation·DateJun 5, 2008
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.

Ocean life under threat from climate change

Marine ecosystems face significant threats from climate change, including warming temperatures, nutrient supply disruptions, and ocean acidification. The paper calls for increased research funding to better assess these impacts and develop adaptation options.

SourceCSIRO Australia·JournalScience·DateJun 5, 2008

Niacin's role in maintaining good cholesterol

Researchers found that niacin works by reducing the presence of Beta chain on liver cells, which hinders HDL removal and maintains high plasma HDL levels. This new mechanism explains why niacin is especially beneficial for raising HDL while allowing other cholesterol types to be removed.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Lipid Research·DateJun 5, 2008
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.