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Science News Archive March 2000


Page 3 of 7

Fresno researcher receives national award

George B. Kauffman, a renowned chemist from Fresno, has been honored with the American Chemical Society Award for Research at an Undergraduate Institution. He is recognized for his dedication to encouraging students to be imaginative and independent in their research projects.

Salt Lake City researcher receives national award

Miller's work enables magnets to be made at relatively low temperatures, reducing energy requirements and costs. His development of molecule-based magnets has the potential to integrate manufacture with device production, introducing new properties and applications.

Apple iPhone 17 Pro

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

Charlottesville researcher receives national award

Charlottesville chemist Donald F. Hunt has developed a technique to identify fragments of proteins that stimulate the immune system to attack and kill melanoma, or skin cancer. His method uses mass spectrometry to analyze amino acid chains and could lead to the development of cancer vaccines.

Holiday weight gain slight, but may last a lifetime

A new study suggests that Americans gain about a pound during the winter holiday season, which accumulates over time and contributes to obesity later in life. The researchers found that increasing physical activity may be an effective method for preventing weight gain during this high-risk time.

German researcher receives american award

Peter Jutzi, a German chemist, has received the Frederic Stanley Kipping Award in Silicon Chemistry from the American Chemical Society. He developed new materials for the electronics and optics industries by designing methods to make compounds of silicon and carbon.

Tucson researcher receives national award

Chemist F. Ann Walker received the Francis P. Garvan-John M. Olin Medal for her research on heme proteins, including nitrophorin, a molecule found in kissing bugs that releases nitric oxide to facilitate feeding. Her work provides insight into the function of heme proteins and their role in the immune system.

Environmental quality gains require major policy changes

Researchers at the University of North Carolina at Chapel Hill argue that US environmental policies should focus on pollution prevention practices rather than stringent regulation. The study suggests that widespread adoption of eco-efficiency practices can lead to significant gains in environmental quality.

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.

Urbana researcher receives national award

Chemist Peter G. Wolynes explains how glass, a disorganized crystal in a frozen state, keeps its shape and applies this insight to study protein structures. His work has numerous applications in environmental cleanup and drug design.

Penn State researcher receives national award

Alex S. Kandel, a post-doctoral chemistry student at Pennsylvania State University, has been recognized for his outstanding research on fundamental molecular behavior and reactions. He discovered that making chlorine react with methane requires energy, while the reaction of chlorine and ethane releases energy.

Detroit researcher receives national award

Martin E. Newcomb studies free radicals in biological processes, revealing radical intermediates form during fleeting steps of reactions that occur extremely quickly. He proposes new mechanisms to solve unknowns in P450 enzyme family's reaction steps using laser light 'timing'.

Houston researchers receive national award

Shell chemists developed a new carpet and textile fiber, Corterra, with excellent elastic recovery and natural stain resistance. They achieved commercial production in just three years through innovative research and process development.

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.

Optical tweezers: single photons trap a single atom

Researchers at Max-Planck Institute for Quantum Optics successfully produce novel molecule by trapping single atom between two mirrors with highly reflecting surfaces. The molecule is created when an individual atom absorbs a light quantum and forms a bound state, exhibiting periodic energy exchange with the light field.

St. Paul researcher receives national award

Philip Portoghese, a medicinal chemist at the University of Minnesota, has received the Alfred Burger Award in Medicinal Chemistry from the American Chemical Society for his work on opioid receptors. His research reveals how drugs such as morphine interact with these receptors, enabling the creation of new, more effective drugs.

Montclair researcher receives national award

Valerie J. Kuck, a materials chemist at Bell Laboratories, will receive the American Chemical Society Award for Encouraging Women in Careers in the Chemical Sciences. She has mentored dozens of female interns and encouraged them to pursue careers in chemistry.

Piedmont researcher receives national award

Richard J. Saykally, a physical chemist at the University of California, Berkeley, is honored by the American Chemical Society for his work on water's unique properties. He aims to model liquid water on a computer to predict its behavior and influences.

Palo Alto researcher receives national award

Chaitan Khosla, a Palo Alto-based researcher, has developed ways to genetically engineer microorganisms to produce complex natural compounds. His approach allows researchers to create new pathways in biologically friendly organisms, making it possible to harvest useful substances from slow-growing bacteria.

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.

People unknowingly spread epidemic of sexually transmitted disease

A study from the University of Washington reveals that people unaware of having genital herpes are just as likely to spread the disease, and education can help identify infected individuals. The study found 83% of asymptomatic people shed HSV-2 virus in their genital secretions.

Albuquerque researcher receives national award

George Samara, a chemist from Albuquerque, NM, has been honored by the American Chemical Society for his exceptional research management skills. He was awarded the Earle B. Barnes Award for Leadership in Chemical Research Management for his contributions to advancing solar cell technology and developing unique semiconducting materials.

Stanford researcher receives national award

Graduate student Alex Kandel's outstanding research on chlorine atoms interacting with methane and ethane was recognized by the American Chemical Society, with funding support from Mallinckrodt Baker Inc. for his discovery of a new laser technique called photoloc

Mt. Prospect researcher receives national award

Chemical engineer Tamotsu Imai developed more efficient catalysts to produce biodegradable detergents and increase the yield of styrene production, leading to more sustainable processes. His work has improved process safety and reduced energy consumption in the petroleum industry.

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.

Oxygen-swapping offers clues for toxics management

A team of UC Davis researchers has developed a novel method to quantify the rate at which minerals and water exchange oxygen molecules, which could provide a useful test for computer models. The study's findings could have practical applications in dealing with soil contaminants and predicting their movement or decomposition.

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.

Iron chefs get nutritional boost cooking vegetables

Researchers found that cooking enhances iron availability in 37 of 48 tested vegetables, with some seeing a nearly doubling of bioavailability after cooking. The approach could help populations in developing countries and vegetarians worldwide boost their nutritional absorption of iron.

Natural substances in orange, tangerine inhibit cancer

A joint Canadian-United States study found that flavonoids from orange and tangerine juice inhibited the growth of prostate, lung, and melanoma cells. The compounds were particularly effective against human prostate cancer cells, with small amounts inhibiting cancer cell proliferation.

Researchers stalk 'sweet tooth' gene

Researchers at the Monell Chemical Senses Center have narrowed the search for a gene responsible for sweet preference in mice to a specific area of chromosome 4. This region is thought to be a likely candidate for a 'sweet taste gene' that affects both mouse and human perception of sweetness.

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.

Athletes take note: Not all energy bars built the same

A study by Ohio State University found that some energy bars give a sudden spike in blood sugar levels, unlike the moderate increase claimed for endurance athletes. The Ironman PR Bar had a steady effect due to its balanced carbohydrate and protein content.

Tires of the future

Experts will discuss new synthetic elastomers designed to improve tire traction properties, as well as surface-modified mineral fillers that could increase fuel economy in vehicles. Researchers will also predict fatigue in fiber-reinforced rubber composite laminates in tires.

Cancer-preventive potential of white tea

Researchers found that white tea contains higher levels of polyphenols than green tea, which may contribute to its enhanced cancer-fighting potential. White tea was shown to inhibit DNA mutations more efficiently than green tea in laboratory tests, suggesting it may have a stronger role in preventing colon cancer.

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.

Chapel Hill researcher receives national award

Chemist Slayton Evans Jr. of Chapel Hill has been honored by the American Chemical Society for opening new doors in science, especially chemistry, for minority high-school and college students. He was recognized for fostering programs and scholarships to encourage minority scholarship in his 25 years at the University of North Carolina.

New plastic heals damaged nerves

Researchers have developed a new biomaterial that uses an electricity-conducting polymer in combination with a naturally occurring sugar molecule to stimulate nerve growth. The material breaks down over time, allowing the nerve to grow and reach its target weeks or months later.

Emphysema linked to smoking marijuana

A recent study found that smoking cannabis regularly may increase the risk of developing emphysema, a disease that damages lung tissue and reduces surface area. The study examined four young men who smoked heavily and found large areas of their lungs had disappeared and been replaced with cysts.

Meta Quest 3 512GB

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Naperville researcher receives national award

E. Philip Horwitz developed resins that selectively remove radioisotopes from complex mixtures, improving monitoring of workers' exposure and ingestion of radioisotopes. His technology processes about 350,000 samples per year worldwide, with potential applications in countries monitoring Chernobyl effects.

How safe is the wait?

Patients awaiting coronary artery bypass grafting (CABG) in Ontario face higher mortality risk compared to the general population. However, a new study found that those on the waitlist may actually have similar or decreased vital risk when compared to patients living with coronary artery disease.

Daily or weekly use of paracetamol linked to asthma

A new study published in Thorax suggests that daily or weekly use of paracetamol may be associated with an increased risk of asthma. The research found that frequent users of paracetamol were more likely to develop severe asthma and experience rhinitis, highlighting the potential risks of this analgesic.

Mutations not the only gene defect that leads to cancer

New research suggests that non-mutational gene defects, involving DNA methylation, contribute significantly to the development of cancer. Up to 10% of genes in some tumor types are found to be inactivated by aberrant DNA methylation, suggesting a much larger role for this process than previously thought.

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.

USGS information available on recent MTBE risk findings

A new study from the USGS and Oregon Graduate Institute reveals that up to 9,000 community water wells in 31 states may be contaminated with MTBE due to proximity to leaking underground storage tanks. The EPA has announced plans to phase out MTBE use in gasoline, but it will persist in the environment for at least a decade.

Mysterious foot fractures may be sign of osteoporosis

Researchers found a correlation between unexplained foot fractures and low bone density, a primary symptom of osteoporosis. The study suggests that podiatrists should inspect patients with at-risk conditions for early signs of osteoporosis.

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.

UI researchers find potential way to improve gene therapy delivery to brain

Researchers at University of Iowa have found that a specific gene vector, AAV5, can effectively reach many brain sites following a single injection. The study suggests that AAV5-based vectors could be used to deliver correct copies of genes to cells throughout the central nervous system without multiple injections.

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.

Physician-assisted suicide papers in Annals of Internal Medicine

A distinguished panel of bioethicists published papers on physician-assisted suicide in Annals of Internal Medicine, discussing guidelines, safeguards, and expert opinions on the clinical, moral, and ethical issues involved. The findings highlight the need for thoughtful direction and common ground among diverse views.

What dictates hospital admission for people with HIV?

A study of 947 HIV-positive individuals found that hospital admission was linked to unemployment (82%) and poor health status (46%). The study also showed that having a physician experienced in HIV/AIDS management was beneficial for avoiding hospital admissions.

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.

Annals of Internal Medicine, tip sheet for March 21, 2000

A consensus panel convened by the University of Pennsylvania's Center for Bioethics discusses guidelines, treatments, and legal responses to assisted suicide. The panel aims to establish safeguards that make physician-assisted suicide voluntary, regulated, and an option of last resort.

New campaign brings attention to jaw joint diseases

The TMJ Association has launched a national awareness campaign to raise awareness about jaw joint diseases, which affect over 10 million Americans, mostly women. The campaign aims to promote quality research and improved treatments for the condition, which causes debilitating pain and dysfunction.

Supersonic transports could be powered by coal

Researchers at Pennsylvania State University have developed coal-derived jet fuels that can withstand higher temperatures without forming engine-clogging deposits. This breakthrough could enable faster, safer flight for commercial jet aircraft.

Celestron NexStar 8SE Computerized Telescope

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