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Science News Archive 2008 - Page 21


Page 21 of 240

Epilepsy drug may increase risk of autism in children

A new study published in Neurology suggests that women who take valproate during pregnancy may significantly increase their child's risk of developing autism. The research found that children exposed to valproate were seven times more likely to develop autism than those not exposed.

SourceAmerican Academy of Neurology·JournalNeurology·DateDec 1, 2008
Apple iPhone 17 Pro

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

Evidence from dirty teeth: Ancient Peruvians ate well

Archaeologists discovered starch grains on ancient human teeth in Peru, revealing the earliest consumption of beans and pacay. The findings suggest that New World people were committed farmers earlier than thought, dating back over 2,000 years.

SourceSmithsonian Tropical Research Institute·JournalProceedings of the National Academy of Sciences·DateDec 1, 2008

Towards improved immunotherapy

A study published in Clinical Immunology describes a new method to induce regulatory T cells, which show great potential for treating autoimmune diseases and improving transplant outcomes. The method uses an inexpensive and simple high-yield approach to generate large amounts of these immune suppressive cells.

SourceElsevier·JournalClinical Immunology·DateDec 1, 2008

New study shows potential of rational drug design in schizophrenia

Researchers identified a faulty brain circuit and developed an experimental agent that improves working memory and EEG signals in people with schizophrenia. The study found the drug MK-0777 to be well-tolerated, but further trials are needed to verify its value.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalAmerican Journal of Psychiatry·DateDec 1, 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.

Stanford scientists' discovery of virus in lemur could shed light on AIDS

Researchers found a retrovirus in the DNA of a gray mouse lemur, suggesting lentiviruses may have coevolved with primates for millions of years. This discovery could lead to new insights into why non-human primates don't get AIDS and potential treatments for humans.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateDec 1, 2008

BioScience tip sheet, December 2008

Research articles explore impact of endocrine-disrupting chemicals on aquatic vertebrates and humans. Studies reveal mechanisms behind reproductive abnormalities and ecological risks associated with environmental contaminants.

SourceAmerican Institute of Biological Sciences·JournalBioScience·DateDec 1, 2008

Management of severe Alzheimer's disease

Severe Alzheimer disease requires frequent monitoring by healthcare professionals to enhance quality of life. An evidence-based approach is included in the Canadian Medical Association Journal's dementia series, providing recommendations for patient care.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateDec 1, 2008

Researchers learn that some 'good cholesterol' isn't good enough

A new study published in the FASEB Journal suggests that the quality of HDL cholesterol, not just its type, matters for good health. Researchers found that high levels of poor-quality 'good' HDL can increase heart disease risk.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateDec 1, 2008
Fluke 87V Industrial Digital Multimeter

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

Study unmasks how ovarian tumors evade immune system

Researchers at Johns Hopkins have discovered how ovarian tumors use fatty substances to suppress the body's immune response, leaving disease unchecked. The team found that fluid secretions from tumors can block activation of natural killer T cells, which are crucial for fighting cancer.

SourceJohns Hopkins Medicine·JournalClinical Cancer Research·DateDec 1, 2008

Rutgers scholar identifies genetic patterning in fruit fly development

Researchers at Rutgers University–Camden have identified a complex coding language that allows cells to organize and communicate, enabling the formation of intricate patterns in fruit fly eggs. This breakthrough understanding of genetic patterning has implications for our knowledge of developmental biology and diseases like cancer.

SourceRutgers University·JournalDevelopmental Cell·DateDec 1, 2008

Drivers distracted more by cell phones than by passengers

A new study by University of Utah psychologists found that drivers are more distracted by talking on a cellular phone than by conversing with a passenger in an automobile. When drivers talk on a cell phone, they drift out of their lanes and missed exits more frequently than drivers conversing with a passenger.

SourceUniversity of Utah·JournalJournal of Applied Psychology·DateDec 1, 2008

Pseudoephedrine use common among young children

A study found that pseudoephedrine use is prevalent among US children, especially those under two years old, with 4.9% of all children taking it weekly and 8.1% of those under two taking it in a given week. The study also identified patterns of use, including taking multiple products at once and using it for long periods.

SourceBoston University·JournalThe Journal of Pediatrics·DateDec 1, 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.

No place like home: New theory for how salmon, sea turtles find their birthplace

Marine biologists propose that animals learn the unique magnetic signature of their home area early in life and retain it to navigate back to their birthplace for reproduction. The theory suggests that magnetic imprinting helps animals distinguish their home location from others, allowing them to return years later.

SourceUniversity of North Carolina at Chapel Hill·JournalProceedings of the National Academy of Sciences·DateDec 1, 2008

New technique captures high-res images of full retina

Researchers developed a new technique called Topical Endoscopic Fundal Imaging (TEFI) to monitor ocular inflammation in mice. The study found that TEFI enhances the monitoring of clinical disease, allowing for rapid and non-invasive observation of changes in the retina.

SourceAssociation for Research in Vision and Ophthalmology·JournalInvestigative Ophthalmology & Visual Science·DateDec 1, 2008

Immune cells reveal fancy footwork

Dutch biologist Suzanne van Helden discovered that immune cells lose their adhesive feet before migrating to lymph nodes, allowing them to move faster. This process enables mature dendritic cells to quickly activate T cells and tackle infections.

SourceNetherlands Organization for Scientific Research·DateDec 1, 2008

Nationwide study confirms PET as the most powerful imaging tool in cancer management

A nationwide study has confirmed the effectiveness of positron emission tomography (PET) in monitoring tumor activity and changing treatment plans for more than one out of three cancer patients. PET was found to be clinically significant, resulting in a change in treatment in 36% of cases.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateDec 1, 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.

Symptoms of depression associated with increase in abdominal fat

A five-year study found that older adults with symptoms of depression are more likely to gain abdominal fat, but not overall fat. Depression is associated with an increase in visceral fat, which may contribute to the development of diabetes and cardiovascular disease.

SourceJAMA Network·JournalArchives of General Psychiatry·DateDec 1, 2008

European ancestry increases breast cancer risk among Latinas

A recent study published in Cancer Research found that Latina women with higher European ancestry are at a greater risk of developing breast cancer. The risk increases by 79% for every 25% increase in European ancestry, regardless of other factors.

SourceAmerican Association for Cancer Research·JournalCancer Research·DateDec 1, 2008

Psychiatric disorders common among college-age individuals; few seek treatment

A recent study published in Archives of General Psychiatry finds that nearly half of college-aged individuals meet criteria for a psychiatric disorder, including substance abuse and personality disorders, but only one-fourth seek treatment. The study highlights the need for increased detection and treatment of mental health conditions ...

SourceJAMA Network·JournalArchives of General Psychiatry·DateDec 1, 2008

New uses for imidazolium salts in medicine and alternative energy

Scientists at A*STAR have found imidazolium salts with powerful antioxidant properties that could fight diseases. They also efficiently convert carbohydrates into versatile chemical compounds for biofuel production.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalJournal of the American Chemical Society·DateDec 1, 2008

Higher rates of mental illness among the homeless in Western countries

A systematic review and meta-analysis found that homeless people in Western countries experience substantially higher rates of mental health problems compared to the general population. The prevalence of serious mental disorders was found to be raised, with notable increases in alcohol and drug abuse, as well as psychosis.

SourcePLOS·JournalPLOS Medicine·DateDec 1, 2008
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.

New research projects shortage of general surgeons by 2010

A new study predicts a severe shortage of general surgeons in US hospitals by 2010, with the number of available surgeons failing to keep pace with public demand. The shortage is expected to worsen over time, leading to longer wait times for emergency treatment and elective surgeries.

SourceOhio State University·JournalSurgery·DateDec 1, 2008

Large study illustrates cardiac CT can effectively assess coronary artery disease

A large study found that cardiac CT scans can effectively assess coronary artery stenosis with a high sensitivity rate of 98% and specificity of 91%. This non-invasive technique may avoid the need for invasive catheter angiography in patients with intermediate clinical probability of coronary artery disease.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateDec 1, 2008
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.

Palm Pilots bridge communication gap between therapists and patients

Researchers used Palm Pilots as electronic diaries to analyze mood variability in BPD patients, finding significant instability in positive and negative moods. The devices helped bridge the communication gap between therapists and patients.

SourceUniversity of Missouri-Columbia·JournalJournal of Abnormal Psychology·DateDec 1, 2008

Place of birth contributes to asthma disparity

A study by Tufts University researchers found that US-born black adults are more likely to have asthma, with 30% diagnosed compared to 11% of those born outside the US. The study also found higher asthma rates among children born in the US.

SourceTufts University, Health Sciences Campus·JournalJournal of Asthma·DateDec 1, 2008
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.

McGill researcher on a quest to cure disfiguring parasitic disease

Researchers at McGill University are targeting a small organelle called glycosome to develop new treatments for Leishmania parasite. The goal is to create less toxic drugs with fewer side effects. A potential breakthrough could help combat devastating diseases like African Sleeping Sickness and Chagas' Disease.

SourceMcGill University·JournalJournal of Biological Chemistry·DateNov 30, 2008

New statistical model could help reduce breast-lesion biopsies

A new statistical model, developed by researchers at the Seattle Cancer Care Alliance, uses three key characteristics to predict malignancy in breast lesions. The model identifies patients and lesions that are highly likely to be benign, allowing for reduced unnecessary biopsies.

SourceFred Hutchinson Cancer Center·DateNov 30, 2008

Sex life of killer fungus finally revealed

Biologists have discovered a sexual cycle in the deadly fungus Aspergillus fumigatus, revealing its ability to adapt to new environments and evade antifungal drugs. This breakthrough could lead to new treatments for patients infected with the fungus, which causes severe asthma and immune deficiency-related deaths.

SourceUniversity of Nottingham·JournalNature·DateNov 30, 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.

Combining targeted therapy drugs may treat previously resistant tumors

Researchers found that combining PI3K and MEK inhibitors led to significant tumor shrinkage in mice with lung cancer driven by K-Ras mutations. The combination treatment eradicated the tumors with minimal toxicity, providing a strong rationale for testing this therapy in human trials.

SourceMassachusetts General Hospital·JournalNature Medicine·DateNov 30, 2008

Prescription for patient safety

A study funded by the Economic and Social Research Council found that NHS hospitals' risk management standards are linked to lower MRSA infection rates. Hospitals that meet certain targets receive discounts on their liability insurance premiums, leading to a reduction in infections.

SourceEconomic & Social Research Council·DateNov 30, 2008

New treatment hope for people with recurring depression

A study published in the Journal of Consulting and Clinical Psychology shows that Mindfulness Based Cognitive Therapy (MBCT) is as effective as anti-depressant medication in preventing relapse and enhancing quality of life for people with long-term depression. The study found that MBCT provides a cost-effective alternative to prescript...

SourceUniversity of Exeter·JournalJournal of Consulting and Clinical Psychology·DateNov 30, 2008

Antioxidants are unlikely to prevent aging, study suggests

Researchers question the long-held free radical theory of ageing, suggesting that oxidative stress is not a major cause of ageing. The study found no significant impact on lifespan when controlling superoxide levels in nematode worms.

SourceWellcome Trust·JournalGenes & Development·DateNov 30, 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.

Cell movements totally modular, Stanford study shows

Researchers at Stanford University School of Medicine have shown that distinct groups of proteins each control one of four simple activities involved in the cells' collective migration. The study overturns an assumption common in genomics and provides a powerful tool for developing new therapeutics.

SourceStanford Medicine·JournalGenes & Development·DateNov 30, 2008

Protection from the own immune system

Researchers at Heidelberg University Hospital developed a vaccine that prevents multiple sclerosis in mice by suppressing the harmful immune response. The treatment uses autologous immune cells treated with mitomycin and expresses a self-protein from the nervous system, rendering them non-reactive to the disease.

SourceHeidelberg University Hospital·JournalProceedings of the National Academy of Sciences·DateNov 28, 2008

Laparoscopic approach to retrorectal cyst

A laparoscopic approach was used to successfully treat two cases of retrorectal cysts, a rare developmental lesion. The procedure allowed for perfect visualization of deep structures in the presacral space, minimizing surgical trauma.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateNov 28, 2008
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.

AGU journal highlights: Nov. 28, 2008

Research published in AGU journals reveals a significant decrease in Saharan dust due to increased rainfall, boosting ocean heating. The coastal Southern Ocean also acts as a powerful carbon sink, with Antarctic shelf waters showing high biological productivity and extensive winter sea ice cover.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateNov 28, 2008

Selenium may slow march of AIDS

Researchers at Penn State have discovered that increasing selenium levels in human blood cells can reduce the multiplication of the AIDS virus. By targeting a specific protein called Tat, selenium can slow down viral replication, with results showing a 10-fold decrease.

SourcePenn State·JournalJournal of Biological Chemistry·DateNov 28, 2008

Radiologist's study supports the use of portable ultrasound in developing countries

A study published in the Journal of Ultrasound in Medicine found that portable ultrasound was clinically beneficial in urban and rural settings in Ghana. The technology offered a range of applications, including musculoskeletal, obstetrical, and abdominal examinations, with 81% of performed ultrasounds being abnormal.

SourceHospital for Special Surgery·JournalJournal of Ultrasound in Medicine·DateNov 28, 2008

A 'hole' new way

The Controlled Impact Rescue Tool (CIRT) is a new concrete-busting technology that has shown faster breach times than traditional methods. It can break through thick concrete walls or barriers in about 13 minutes, compared to 29 minutes or more for other rescue tools.

SourceUS Department of Homeland Security - Science and Technology·DateNov 28, 2008
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Fast food a potential risk factor for Alzheimer's

A Swedish study suggests that a fast food diet rich in fat and cholesterol may be a potential risk factor for Alzheimer's disease. Researchers found that mice fed such a diet developed preliminary stages of the disease, which may indicate a contributory role of dietary factors in its development.

SourceKarolinska Institutet·DateNov 28, 2008

Surprise discovery made in cancer research

Researchers found that cancer cells use apoptosis inhibitors to prevent programmed cell death while also controlling cell migration. This discovery challenges current treatment strategies and highlights the need for more targeted approaches.

SourceGoethe University Frankfurt·JournalNature Cell Biology·DateNov 28, 2008
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.

Researchers fly a kite for manure recycling

Researchers developed a kite-shaped model to assess the level of risk of water contamination from manure. The model identifies four factors affecting risk: accumulated microbial burden, landscape transfer potential, infrastructure, and social and economic obstacles.

SourceResearch Councils UK·DateNov 28, 2008

Good pre-school and home-learning boosts academic development

A new study by the University of Nottingham found that good pre-schools followed by high-quality primary schools significantly improve children's development. A stimulating home-learning environment at age 3-4 years is also linked to long-term gains in children's development.

SourceUniversity of Nottingham·DateNov 28, 2008

A new light on work-related fatigue

Research found that workers with high levels of alanine aminotransferase (ALT) and central obesity had significantly higher self-reported fatigue after work. The study suggests that objective measures such as elevated ALT and increased waist circumference are associated with work-related fatigue in apparently healthy workers.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateNov 28, 2008

Gay men's risky sexual behavior linked to feeling undesirable

A study by University of Toronto sociologist Adam Isaiah Green found that gay men deemed less desirable are more likely to engage in risky behavior and experience psychological problems. The research highlights the negative consequences of being marginalized due to low levels of 'erotic capital',

SourceUniversity of Toronto·JournalJournal of Health and Social Behavior·DateNov 27, 2008
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Are chemokine and cytokine effective markers of chronic pancreatitis?

Researchers found serum TGF-beta1 and s-fractalkine levels significantly increased in patients with chronic pancreatitis compared to controls. Measurement of these markers may help diagnose early-stage CP and evaluate the severity status of the disease.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateNov 27, 2008

Master gene plays key role in blood sugar levels

A new study reveals that the master gene SRC-2 plays a crucial role in regulating blood sugar levels. Mice lacking SRC-2 develop severe hypoglycemia and die within two days without food. The findings have significant implications for treating genetic diseases like Von Gierke's disease and adult-onset diabetes.

SourceBaylor College of Medicine·JournalScience·DateNov 27, 2008