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Science News Archive 2003


Page 11 of 108

Tip sheet for the November 25, 2003 Neurology journal

A recent Neurology journal study has identified levodopa addiction in non-parkinsonian patients, suggesting the potential for addiction to this common Parkinson's disease treatment. Additionally, researchers have discovered RNA gene slicing mutations in McArdle patients, revealing new insights into neuromuscular diseases.

Breastfed infants show little effect when moms take anti-depressant

Research conducted by Yale University found that most breastfed infants experience little decline in blood serotonin levels after their mothers take Prozac. The study suggests that women should weigh factors such as postpartum depression severity and breastfeeding commitment when considering antidepressant medication.

Natural scenes calm drivers more than city views, study finds

Researchers found that viewers of a scenic parkway video scored lower on a test of frustration and worked almost a minute longer on an unsolvable anagram puzzle compared to those who watched videos of urban driving experiences. The study suggests nature can have a calming effect on drivers.

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.

Self-management program helps patients with acute low back pain

A self-management program developed by Indiana University researchers significantly reduced disability, improved mental functioning, and increased physical activity among patients with acute low back pain. The program focused on boosting patient confidence and motivation to incorporate daily activities that alleviate symptoms.

Study shows combining gene therapy and radiation holds promise

A study published in Cancer Research found that combining gene therapy and radiation therapy showed significant declines in PSA levels and eliminated cancer in many patients. The novel treatment has shown promise in treating aggressive prostate cancer, but more research is needed before it can be widely adopted.

Most hospitals don't use latest ordering technology

CPOE reduces medical errors by improving communication and order tracking, but its use is hindered by implementation difficulties. Silent errors occur due to system design disconnects, including data entry and retrieval issues, and loss of face-to-face interactions.

Does shade coffee help or hinder conservation?

Researchers argue that shade coffee farming can help protect bird species, but also poses a risk of accelerating forest clearance if not done sustainably. The Society for Conservation Biology examines the benefits and drawbacks of this traditional farming method.

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.

2003 Hurricane season: USWRP research led to more accurate track forecasts

The USWRP's improvements to the global computer forecast model developed at NOAA's Environmental Modeling Center have led to a significant boost in hurricane track forecast accuracy. Since 2000, NHC forecasts have benefited from these advancements, predicting Atlantic tropical cyclones' tracks about 35% more accurately than prior to 2000.

Soil fungi affect parasitism of foliage-feeding insects

Research reveals strong interactions between four trophic levels, showing soil fungi impact plant growth and alter attack rates of insect pests. This finding highlights the interconnectedness of species in natural communities, with implications for conservation and pest control.

Patients starting cholesterol-lowering drugs in hospital take meds longer

Researchers found that patients starting lipid-lowering therapy in the hospital were nearly three times as likely to continue taking their medication six months later. This suggests that hospital-based initiation of treatment can improve adherence and is an effective strategy for enhancing long-term use.

Suicidal minority teens lack adult support

A study found that suicidal minority teens often lack adult support, with 15% considering suicide in the past year and 11% attempting it. Latino girls and LGBTQ+ teens are disproportionately affected, highlighting the need for targeted interventions.

Apple iPhone 17 Pro

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

Endangered species listings may backfire

A new study found that listing endangered species may not effectively protect their habitats on private property. Landowners were more likely to improve or destroy habitats based on their values and perception of conservation responsibility.

Researchers probe how young consumers learn to use and misuse credit cards

Researchers have developed a conceptual model examining how young people learn to use and abuse credit cards. They found that parents have the greatest influence on a young person's credit card behavior, with children learning from direct teaching and modeling of their own behavior. The study highlights the importance of understanding ...

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.

Cows as unravellers

Cattle introduction modifies frequent interactions between plants and pollinators, affecting web structure. This modification is likely important for ecosystem function.

New USC process offers faster, cheaper 3D 'printouts'

Professor Behrokh Khoshnevis has developed a new machine that can produce 3D 'printouts' in plastic and metal more quickly and cheaply than existing systems. The 'Selective Inhibition of Sintering' (SIS) process uses high heat to melt only selected areas, reducing energy intensity and cost.

Scientists launch San Andreas Fault Observatory at Depth

The newly launched San Andreas Fault Observatory at Depth (SAFOD) will provide researchers with tools for continuous monitoring from inside an active earthquake zone. This project is part of the larger EarthScope initiative, which aims to investigate geological forces shaping the North American continent.

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.

December 2003 Ophthalmology journal

The American Academy of Ophthalmology published various studies on cataract surgery, glaucoma treatment, and eye diseases in December 2003. These studies examined the effectiveness of different surgical techniques and medications for treating refractive errors, glaucoma, and age-related macular degeneration.

Duke researchers link nitric oxide, vessel health

Researchers linked systemic nitric oxide production with changes in the endothelial lining of arteries after stress. Exercise was found to improve the marker in patients at risk for cardiovascular disease.

Imaging technique may diagnose breast cancer without biopsy

Researchers developed a magnetic resonance spectroscopy method to quantify choline levels in breast tissue, distinguishing malignant lesions from benign lumps. The technique uses high magnetic fields and mathematical approach to account for tissue variations.

Prospects brighten for future superconductor power cables

Researchers at NIST have developed advanced superconducting wires that can withstand strain without cracking, enabling the use of compact underground cables to expand grid capacity. The strain tolerance of these future high-temperature superconductor (HTS) wires is high enough for demanding electric utility applications.

Meta Quest 3 512GB

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

Congress allocates funding for horseshoe crab research center

Virginia Tech's HCRC is the largest horseshoe crab research institution in the country, supporting research on sustainable management practices. The new funding will support a range of studies, including population size estimation, spawning habitat identification, and dynamics between horseshoe crabs and shorebirds.

Protein Data Bank goes global

The Protein Data Bank has partnered with major research institutions to provide global access to its database, which contains over 23,000 protein structures determined by cutting-edge methods. The agreement simplifies access to this critical resource for biomedical and pharmaceutical researchers.

Edible urban plants found to contain lead

Researchers at Northwestern University found that leafy vegetables and herbs in Chicago residential gardens are highly likely to be contaminated with lead. The study's findings highlight the importance of testing soil lead levels and developing strategies to ensure safety for urban gardeners and their families.

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.

Steroid use causes long-term agression, NU report indicates

Recent study finds that anabolic steroid use during adolescence can permanently alter brain chemistry and increase aggression. Researchers at Northeastern University discovered a lengthy price to pay for drug abuse, which includes long-term aggressive behavior even after cessation of steroid use.

Radio waves help see moisture inside walls

Researchers have developed a new method to non-destructively detect moisture within wall construction using ultra wide-band radio waves. Laboratory experiments demonstrated the ability to locate moisture pockets to within one centimeter, producing detailed three-dimensional maps of wet areas.

X-ray inspection may meet computer chip-making need

Researchers successfully adapted small-angle X-ray scattering (SAXS) to rapidly characterize nanometer-scale grid-like patterns in chip circuitry. The technique offers better than one nanometer precision and could be an able substitute for current dimensional measurement tools.

Long-term follow-up of mortality in patients with community-acquired pneumonia

A large-scale study found that long-term mortality in community-acquired pneumonia patients is influenced by factors such as age, nutritional status, and preexisting illnesses. The severity of pneumonia at initial presentation surprisingly did not predict mortality, with lower-grade fever actually linked to higher long-term death rates.

Fluke 87V Industrial Digital Multimeter

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

Investigational drug brings new hope to kidney cancer patients

A phase II trial found that 42% of patients with metastatic kidney cancer experienced at least a 25% reduction in tumor size, with 6 patients experiencing a 50% or greater response. The study's innovative design validated a new approach to phase II trial design.

Tree root life controls CO2 absorption

A study by Argonne National Laboratory and Duke University found that the roots of loblolly pine trees can last up to 4.2 years, controlling CO2 absorption in soils. In contrast, sweetgum trees have shorter root lifetimes, leading to faster carbon transfer.

1700 Japan tsunami linked to massive North American quake

Scientists from Japan, Canada, and the US conclude a 1700 Japan tsunami was caused by a magnitude 9 North American earthquake. Computer simulations reveal the Cascadia subduction zone can produce such a massive earthquake, posing a threat to coastal regions.

Celestron NexStar 8SE Computerized Telescope

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

GlaxoSmithKline Drug Discovery and Development Research Grant Program 2003

The GSK Drug Discovery and Development Research Grant Program awarded $125,000 grants to Paul Bieniasz for genetic screening of cyclic peptides and Michael Farzan for tyrosine-sulfated peptides. Additionally, Michael H. Malim received a grant for his research on the Vif gene, which plays a critical role in HIV infection.

DNA used to create self-assembling nano transistor

Researchers have successfully created self-assembling nano transistors using DNA, paving the way for large-scale manufacturing of nanoscale electronics. The transistors can be switched on and off by applying voltage to them, making them a promising application in computing technology.

Calcium channels control coronary artery relaxation

Researchers discovered that mice lacking calcium channels exhibit constricted coronary arteries and fibrous tissue in their hearts, suggesting a potential target for treating cardiovascular disease. The study found that drugs targeting the T-channel, responsible for relaxation, might be used to open arteries.

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.

Hassle-free stroke prevention offered by new drug, Stanford researcher says

A new study found that ximelegatran, a novel oral thrombin inhibitor, is as effective as Coumadin in preventing strokes in people with atrial fibrillation but without the need for regular blood tests or dose adjustments. The drug has been shown to reduce major bleeding incidents and may be approved by the FDA within the next year.

The beginning of the end of flagella

The discovery of protein EB1 at the tip of Chlamydomonas flagella sheds new light on intraflagellar transport (IFT) and its regulation. IFT is crucial for flagellar growth and maintenance, and EB1 may play a key role in controlling the molecular transport system responsible for IFT.

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.

NIST/University of Colorado researchers create Bose-Einstein 'super molecule'

NIST/University of Colorado researchers create a Bose-Einstein condensate of weakly bound molecules from a gas of fermionic potassium atoms cooled to 150 nanoKelvin. The molecular condensate was produced by passing through conditions that mimic fermionic superfluidity, paving the way for further research into this phenomenon.

Calcium channel involved in coronary artery relaxation

Researchers found that T-type calcium channels are essential for normal nitric oxide-controlled relaxation, and their loss leads to constricted coronary arteries. The study provides insight into the role of this channel in coronary artery relaxation and may lead to new therapeutic targets.

Three molecular-targeted compounds show promise against cancers

Researchers found tumor shrinkage and arrest in patients with advanced malignancies treated with SU11248, an oral histone deacetylase inhibitor SAHA, and BAY 43-9006, targeting angiogenesis and cell growth signaling molecules. These preliminary results confirm the promise of these therapeutic approaches.

Protein involved in cell division now found key to cell growth

Researchers at the University of Texas M.D. Anderson Cancer Center have discovered that ARF is a crucial regulator of both cell growth and division, two critical processes in cancer development. By inhibiting B23, another protein involved in cellular growth, ARF can control the cell cycle and prevent uncontrolled cell proliferation.

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 technology will speed genome sequencing

The BioMEMS 768 Sequencer can sequence the entire human genome in just one year, outpacing its nearest rival by seven times. The machine's new technology also reduces material costs and minimizes DNA sample requirements.

Welcome alternative to warfarin for people at high risk of stroke

The SPORTIF III study found that oral ximelagatran was at least as effective as warfarin in reducing the frequency of stroke or systemic blood clots, with a lower risk of bleeding. Ximelagatran may offer a safer alternative to warfarin for patients with atrial fibrillation and high stroke risk.

Researchers design and build first artificial protein

Scientists successfully designed and built an artificial protein using a novel computational approach, opening up new possibilities for medicine and industrial applications. The achievement represents a significant breakthrough in understanding protein folding and design.

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.

Stop to smell the flowers - But do it before they're pollinated

Researchers at Purdue University have identified the molecular mechanisms responsible for shutting down floral scent after pollination, which may help improve floral scent in unscented flowers. The study found that fertilization triggers a decline in scent production and that plant hormones play a role in regulating this process.

A new hypothesis on the origin of 'junk' DNA

A new hypothesis on the origin of 'junk' DNA proposes that smaller population sizes in eukaryotes lead to a weakening of natural selection's potency, allowing extraneous genetic sequences to accumulate. This theory suggests that genetic drift is responsible for preserving junk DNA and other extraneous genetic sequences in organisms.