Bluesky Facebook Reddit Email

Science News Archive September 2001


Page 2 of 6

Space Research Briefs - Sept./Oct. 2001

Researchers are developing a compact machine called AMPDXA to precision measure tissue mass, bone density and geometry. This instrument will aid in preventing weakened bones and fractures for astronauts returning to Earth or landing on another planet.

Apple iPhone 17 Pro

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

Smallest silicon particles light way for new sensors, materials

Purdue University researchers have developed a method to stabilize the surface of porous silicon, enabling its use in creating new types of drug-delivery systems and biological sensors. By functionalizing the surface with specific chemicals, scientists can tailor the material's response to specific chemical environments or cues.

Alzheimer's and Parkinson's proteins create a destructive team

Scientists discovered that Alzheimer's and Parkinson's proteins interact to accelerate disease progression, causing cognitive and motor function destruction. The study found that Abeta, a metabolic breakdown product of hAPP, enhances the accumulation of hSYN in brain cells.

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.

Scientists discover how some viruses take strong hold of cells

Researchers at Brookhaven National Laboratory discovered that coxsackievirus forms pairs on the surface of human cells, increasing the likelihood of infection. The study reveals hidden binding sites on the virus that evade the immune system, making it hard to defeat.

Treating frail and elderly patients.

The University of Michigan School of Nursing is introducing a new concentration in care for frail and elderly patients, addressing the complex needs of this vulnerable population. Students will explore the holistic effects of frailty on physical, psychological, and social aspects of quality of life.

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.

Book documents dramatic recent changes in southeast's ancient soils

A new book documents dramatic recent changes in southeast's ancient soils formed over about 70 million years and how human use transformed them over the last two centuries. Soils were altered when primeval woodlands were turned into cotton fields, eventually regrowing as pine forests.

Managed care coverage offers high quality of care for children with asthma

A study found that managed care coverage improves the quality of care for children with asthma, reducing the likelihood of unnecessary emergency department visits. Children in managed care plans were more likely to see their primary care physicians before visiting the ER, leading to more appropriate treatment.

Texas researchers promise more accurate PET scans

Physicists at Texas A&M University and the University of Texas at Austin are working on more accurate PET scanners, improving detection of tumors and other abnormalities in human organs. The new design enhances image quality and sharpness by detecting gamma rays' radial positions.

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.

North Carolina researcher receives award for work with plastics and pigments

Joseph R. Webster receives American Chemical Society's Industrial Innovation Award for improving thermoplastic polyester processing and stabilization, enhancing product durability and UV resistance. He also develops environmentally friendly pigment technology to color thermoplastics without chromium premetallized dyes.

UCLA researchers map how Schizophrenia engulfs teen brains

Scientists at UCLA and NIMH detected a spreading wave of gray matter loss in schizophrenic patients, which engulfed the brain over five years, leading to worse symptoms. The study's findings may aid early detection and treatment, as well as inform future medication development.

UIC researchers find "fountain of youth" gene

Scientists at UIC found that increasing FoxM1B gene expression restored liver cell growth rates and division activity in aged mice, potentially treating aging-related diseases such as cancer and Alzheimer's. This breakthrough could lead to new therapies for the elderly using gene therapy.

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.

Rutgers scientists mapping DNA links to complex diseases

A Rutgers computer research team is developing a genetic linkage map that may help scientists identify the DNA differences predisposing people to complex diseases. The map will analyze data from over 2,000 single nucleotide polymorphisms (SNPs) to track genes contributing to disease.

Post-traumatic stress related to medical problems

A new study finds that veterans with post-traumatic stress disorder have more medical problems and make at least 30% more health visits than those without PTSD. The researchers suggest that PTSD is a risk factor for physical disorders, affecting overall physical health and susceptibility to disease.

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.

Depression and hypertension linked, but not directly

A study found that depression is associated with self-reported hypertension, but this relationship does not exist when blood pressure is measured clinically. Lifestyle factors such as obesity, sedentary lifestyles, and stress are more strongly linked to high blood pressure.

Two programs will follow up on Human Genome Project

The University of Washington has received grants for two genomic research centers, led by Deirdre Meldrum and Maynard Olson, respectively. These centers aim to develop new research tools and approaches to understand the human genome, with potential applications in disease diagnosis and treatment.

A better way to glue micro-size parts for medical devices

Researchers at Ohio State University developed a method to seal tiny plastic parts in medical devices, improving the flow of medicine and fluids through these devices. The technique, called resin-gas injection assisted bonding, alters the surface characteristics of the plastic to suit different medical applications.

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.

Protein-like molecules could form medical devices, electronics

Researchers at Ohio State University have successfully created protein-like molecules using dendrimers, which can perform tasks such as delivering medicine to tumors and acting as catalysts for chemical reactions. The molecules are designed to open and close on cue, allowing them to respond to stimuli like light.

High calcium intake may increase risk of prostate cancer

A large study of male physicians found that high calcium intake, particularly from dairy products, was associated with a 30-34% increased risk of prostate cancer. The authors suggest that this may be due to the suppression of vitamin D production, which is thought to protect against prostate cancer.

Benefits of quality child care last into elementary school

Higher quality childcare is linked to improved cognitive and socio-emotional skills in children, including better math skills and fewer behavior problems. Research suggests that policies promoting high-quality childcare can have lasting benefits for school readiness and success.

Television can enhance children's intellectual development, study finds

A recent study found that young children who watched educational TV programs regularly scored higher on academic tests than those who didn't. However, excessive entertainment program watching had a negative effect on test scores. The researchers suggest that educational programming can provide lasting benefits for children of all ages.

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.

Monarch butterflies, corn pollen coexist in cornfields

Researchers found that monarch larvae are more likely to be exposed to toxic corn pollen when pollen is shed during peak larval activity. In Ontario, 62% of larvae were exposed to toxic pollen, while in Iowa, the figure was 15%. The study suggests that agricultural habitats like cornfields are crucial for monarchs.

A step forward in nanotechnology

Researchers at the University of Michigan developed a new technique combining coherent nonlinear optical spectroscopy and near-field microscopy to detect quantum coherence in extended structures. This breakthrough enables sub-wavelength resolution, bringing nanotechnology closer to sophisticated devices.

Robots at work make highways safer

Researchers at UC Davis's Advanced Highway Maintenance and Construction Technology (AHMCT) center are developing high-tech machines to improve safety in highway construction zones. The center has created innovative solutions such as automated debris removal vehicles, crack sealers, and traffic cone-laying robots.

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.

Ending poverty, not just welfare, may be key to helping mothers and kids

A study found that parenting skills and children's IQs improved when low-income families left welfare behind. However, the benefits were limited to those who moved out of poverty, suggesting that current welfare reform mandates prioritize moving families off welfare without addressing underlying poverty issues.

Immune cells SLAP internal signals together

SLAP-130 protein plays a crucial role in bridging chemical pathways to activate T cells, generating an immune response. This discovery may lead to new treatments for cancers and autoimmune disorders by learning how to control T cell activation.

New Penn State approach steadies floors too flexible for comfort

Dr. Linda M. Hanagan's innovative approach uses active control systems to dampen vibrations in existing buildings, reducing costs and time required compared to traditional stiffening or thickening methods. The system can be applied quickly, often taking less than a week to fix the problem.

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.

Agricultural pests may threaten prairies

Researchers observed high numbers of corn rootworm beetles near corn edges in prairie remnants, with 10 times more at the edge than at a distance. The beetles damage sunflowers, potentially reducing seed set and affecting pollinator visitation.

Prescribed burning may threaten ground nesting birds

A recent study found that prescribed burns in eastern U.S. deciduous forests can decline ground-nesting bird species by over 80% due to reduced leaf litter and shrubs. However, two bird species increased in response to the burns, suggesting that fire may improve their foraging habitat.

Meta Quest 3 512GB

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

New combination drug treatment for hepatitis C

A new combination drug treatment has shown to be more effective in treating chronic hepatitis C than the current standard. The treatment, peginterferon alfa-2b plus ribavirin, achieved higher sustained viral response rates compared to interferon alfa-2b plus ribavirin, especially in patients with genotype 1 infection.

New pathway to understanding circadian rhythms

Amita Sehgal and colleagues report a new link between the neurofibromatosis-1 gene and the body's circadian clock, revealing a new facet of the circadian control system. The findings show that the Nf1 protein regulates the cellular switch MAP kinase.

Preventing rapid extinction of bighorn sheep

A study by USGS researchers found that large habitat patches are crucial for bighorn sheep persistence and growth rates. Small patches with high-quality habitat can still warrant restoration efforts.

Hopkins scientist evaluates latest findings on the ancestry of whales

A new report on primitive whales found in Pakistan provides well-preserved ankle bones, allowing scientists to change their conclusions on closest relatives. The findings unify the scientific perspective on whale evolution, supporting a closer relationship between cetaceans and artiodactyls.

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 study shows that salmon 'feed' the very forests that nurture them

A new study reveals that salmon populations are mutually dependent on riparian vegetation, which provides shade and large woody debris that support successful spawning. The researchers found a significant increase in nitrogen levels in plants near spawning sites, suggesting a two-way relationship between salmon and their ecosystems.

Personal labels can be self-fulfilling, says professor

Professor Ian Hacking argues that classifications like 'football hooligan' and 'sex addict' can shape people's identities, while also highlighting the potential negative consequences of such labeling. His research emphasizes the importance of understanding how these classifications impact individuals and society.

Most eastern North American reserves too small

Researchers estimate that eastern North American reserves must be at least 1,000 square miles in size to prevent loss of species. This is significantly smaller than the current sizes of most reserves, which are often not enough to safeguard biodiversity.