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Science News Archive February 2003


Page 8 of 9

A different kind of spin cycle

The Office of Naval Research conducted a technology transition 'wargame' to explore approaches for rapid spin-out of emerging technologies into the commercial sector. The exercise examined three different models, including traditional government office, not-for-profit corporation, and for-profit company models.

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.

IU research examines gender differences in excuses for failure

A recent study found that women have less tolerance for self-handicapping by men or women, making more negative evaluations of the behavior. Women are also less willing to excuse self-handicapping even when alternative explanations are viable, suspecting laziness and lack of motivation.

SRS research highlights from the Red-Cockaded Woodpecker Symposium

Research by the USDA Forest Service Southern Research Station sheds light on red-cockaded woodpecker conservation, revealing a preference for older pine trees with resin-rich bark. The study also shows that converting loblolly pine stands to longleaf pines can increase available food for endangered woodpeckers.

Apple iPhone 17 Pro

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

Newly developed tool aids study of Fragile X syndrome

A new tool called APRA allows for detailed analysis of mRNA molecules in intact cells, revealing key interactions with the Fragile X Mental Retardation Protein (FMRP). The study provides a potential approach to develop new treatments for Fragile X syndrome, a genetic disorder that affects mental development.

Cell transplantation could restore cardiac function after heart attack

Researchers report improved left-ventricular and overall heart function in a 72-year-old man after receiving undifferentiated stem cells. The grafted scar showed the presence of well-developed skeletal myotubes with preserved contractile structure, indicating long-term viability and functional potential.

Could one less cookie a day help the fight against fat?

Researchers estimate that 90% of the population is gaining up to 50 extra calories a day, which can be addressed by taking an extra mile of walking each day. Closing the energy gap will also require a fundamental change in how people think about physical fitness.

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.

New genetic 'fishing net' harvests elusive autism gene

Duke University researchers used a new statistical method called ordered subset analysis to identify a strong link between the GABRB3 gene and autism. By grouping patients with similar traits together statistically, they discovered a genetic risk factor that was missed by looking at the larger group.

Synthesized molecule holds promise as antitumor agent

Researchers at the University of Illinois Chicago have successfully synthesized amphidinolide T1, a highly potent compound with potential as an antitumor agent. The breakthrough, achieved through retrosynthetic analysis and sophisticated technologies, could lead to more effective cancer treatments.

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.

'Sticky' DNA crystals promise new way to process information

Researchers have developed DNA scaffolding for arrays of nanoparticles, enabling the processing of large amounts of information. The technology could lead to real-time image processing and improved noise filtering, potentially even rivaling human eye speed.

Obesity not a personal failing, but a battle against biology

A broad-based research program is needed to understand obesity, which cannot be easily explained by personal failing. Genes and environment interact to determine body weight, with genetic factors accounting for individual differences in weight among present time.

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.

New images from space spotlight regional pollution

Satellite images from NASA's MOPITT project show high levels of carbon monoxide in regions prone to pollution, such as Southeast Asia and Australia. These images provide a new tool for monitoring air quality and tracking the spread of pollutants over long distances.

Jacuzzi danger?

A man with kidney disease experienced severe abdominal pain after using a whirlpool in a Jacuzzi, highlighting potential health risks. The case study suggests that whirlpooling may cause mechanical injury to the kidneys, particularly under conditions like hypertension or anticoagulation.

Hormone therapy could help prevent pre-term births

A recent study conducted at Wake Forest University Baptist Medical Center found that weekly injections of the hormone 17-alpha-hydroxprogesterone caproate reduced pre-term birth risk by 34% in high-risk women. The treatment was also shown to be effective in African American and non-African American women.

Scientists solve chaotic heartbeat mystery

Researchers from the University of Maryland Biotechnology Institute and Duke University discovered the genetic defect in humans and mice linked to LQT4, which affects an important adaptor protein called ankyrin-B. The defect leads to inadequate calcium regulation, causing chaotic heartbeats and potentially life-threatening arrhythmias.

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.

Taste receptor cells share common pathway

Researchers discovered two enzymes necessary for mice to process three basic tastes, challenging the long-held view that distinct machinery is needed. The study also found that restoring one enzyme can selectively restore specific taste modalities.

Stanford studies online self-management for people with chronic diseases

Stanford is conducting an online self-management program for individuals with heart disease, lung disease, and type-II diabetes. The program aims to improve health outcomes by teaching participants how to manage their conditions effectively, including managing medications, exercise, and stress.

Increasing access to care could reverse disparities, study suggests

A new study found that providing integrated medical and health care services can reverse disparities in health outcomes between African Americans and whites. The research, published in the Journal of the American Geriatric Society, compared health status and survival rates of elderly African American and white participants enrolled in ...

Insect antibiotics – Resistance is futile!

Cecropin A alters bacterial gene regulation, challenging conventional thinking on its mechanism of action. The insect antibiotic's ability to evade resistance raises hope for new therapeutic agents.

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.

Nitrogen may increase Bt levels in corn

Scientists found that increasing nitrogen fertilizer levels in corn hybrids boosts Bt toxin production, potentially affecting pest management. The study suggests that early-season nitrogen applications may impact the effectiveness of Bt hybrids in reducing insect damage.

UCSD brings powerful visualization to high school classroom

The Visualization Center at UCSD has made cutting-edge visualization technology available in the classroom, enabling students to interact with three-dimensional images and real-time data. This technology is particularly beneficial for underprivileged students who may not have access to such resources otherwise.

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.

Cultural values may explain low vaccination rates for diabetic minorities

A recent study found that lower vaccination rates among diabetic minorities, particularly African-Americans and Hispanics, cannot be explained by socioeconomic factors. The researchers suggest that understanding shared social and cultural values may hold the key to addressing these racial disparities.

Mutation causes specific arrhythmia and sudden cardiac death

A study published in Nature reveals a specific gene mutation causing inherited Long QT Syndrome, leading to fatal cardiac arrhythmias and sudden death. Researchers identified the E1425G mutation in ankyrin-B, a protein crucial for heart muscle cell function.

New findings confirm male fertility declines with age

A study of 97 healthy men aged 22-80 found significant age-related decreases in semen volume and sperm motility. Semen quality is a proxy for fertility, suggesting that men may become progressively less fertile as they age.

Brain images reveal effects of antidepressants

Researchers used functional magnetic resonance imaging (fMRI) to study the effects of antidepressant venlafaxine on clinically depressed patients. The study found that the drug produced robust alterations in the anterior cingulate area of the brain within two weeks, which may help predict treatment response.

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.

Abnormalities in cellular anchoring protein cause fatal heart syndrome

Researchers have identified an abnormality in the anchoring protein ankyrin-B as the cause of long QT syndrome, a rare and often fatal heart condition. The study found that disruption of this protein causes ion channels to function improperly, leading to abnormal heartbeats and cardiac arrhythmia.

The Fragile X syndrome protein as RNA distribution hub

Researchers developed Antibody Positioned RNA Amplification (APRA) to analyze RNA binding proteins, identifying mRNAs encoding proteins involved in signal transmission and neuron maturation. The technique has great potential for targeting specific RNA binding proteins and studying disease states.

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.

Volcanic seamounts siphon ocean water through the seafloor

Scientists have discovered a hydrothermal siphon connecting two seamounts in the northeast Pacific, allowing water to flow northward over 50 kilometers. This phenomenon has significant implications for understanding heat flow through the crust, ocean chemistry, and microbial communities living on the ocean floor.

Robo-gung-ho

Geneva Aerospace successfully tested a variable autonomy control system that allows a single human operator to control three unmanned aerial vehicles (UAVs) during a mission. The demonstration showed advanced yet affordable technologies can enable non-aviators to coordinate multiple UAVs, significantly reducing logistical burden.

The shadow knows

The US Navy has successfully tested a hybrid drive vehicle, called the Shadow, which achieved 1000 miles without major issues. The vehicle features an in-hub hybrid-electric drive that enables it to run silently and generate auxiliary power, making it suitable for various military applications.

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.

Neurofibromin: It's so degrading

The discovery of neurofibromin regulation may help develop targeted therapies to block neurofibromin degradation in NF1 patients and treat cancers with amplified Ras activity. Nf1 heterozygous cells show increased sensitivity to growth factors, suggesting even diminished neurofibromin levels can affect normal cell behavior.

Invading weeds escaped old enemies, brought immunity

A study by Cornell University ecologists found that invasive plants have 77% fewer diseases in their native habitats compared to adopted habitats. The researchers suggest looking for weed-control pathogens both in native and adopted habitats to control invasive plant species.

Meta Quest 3 512GB

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

Venture capitalists at sea

The Office of Naval Research is partnering with venture capitalists through the VCs@Sea initiative to explore new business models and technologies. Led by Susan Bales, the program aims to accelerate the transition of naval technology to sailors and marines.

Gene that helps blood vessels form linked to complex birth defect

A gene involved in forming blood vessels has been identified as a key player in DiGeorge syndrome, a chromosomal abnormality causing devastating birth defects. The study found that abnormalities in VEGF lead to the syndrome, which affects the heart, thymus, parathyroid gland, and mental retardation.

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.

NASA satellite helps scientists see effects of earthquakes in remote areas

Scientists used NASA's Terra satellite to study the effects of a 7.7 magnitude earthquake in India, detecting dewatering and surface water far from the epicenter. The Multi-angle Imaging SpectroRadiometer (MISR) instrument provided compelling evidence of surface water in remote locations inaccessible to teams on the ground.

UCSD researchers identify gene pathway causing pulmonary hypertension

Researchers at UCSD identified a key gene pathway contributing to pulmonary hypertension, with potential molecular targets for new therapies. The study revealed that abnormal expression of angiopoietin-1 leads to muscle cell proliferation in lung vessels, causing disease progression.

£2 Million of yeast to triple available drug treatments

A £1.96m grant has enabled the development of unique technology that quickly tests drugs against human GPCRs, which are responsible for many diseases. The 'SepteCell' system uses yeast cells to screen drugs and provides detailed information on their effectiveness.

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.

JCI Table of Contents, February 3, 2003

A study published in the Journal of Clinical Investigation found that HIV protease inhibitors directly promote atherosclerosis in mice. In humans, researchers propose a mechanism by which these drugs might contribute to heart disease, suggesting ways to disrupt it.