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Science News Archive 2000 - Page 18


Page 18 of 66
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.

Layered polymer films can be ‘erased’ by external stimuli

Scientists have fabricated erasable polymer multilayers that can be selectively destroyed by environmental stimuli, enabling controlled release of embedded compounds. These films have potential applications in medicine and materials science.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of the American Chemical Society·DateOct 3, 2000

Shorter AZT treatment reduces mother to child HIV transmission as well as longer treatment but for less cost

A shorter course of AZT therapy can reduce HIV transmission from mothers to children, now available at a lower cost. The study found that treatment regimens starting at 28 weeks pregnant and given to the infant for six weeks resulted in a transmission rate similar to standard long/long treatment.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalNew England Journal of Medicine·DateOct 3, 2000

Dartmouth designated Center For Public Health Preparedness

Dartmouth Medical School's Interactive Media Laboratory has been designated a national Center for Public Health Preparedness, focusing on applied communications technology and E-learning. The center aims to enhance public health readiness by developing cutting-edge interactive education and training programs.

SourceThe Geisel School of Medicine at Dartmouth·DateOct 3, 2000
Apple iPhone 17 Pro

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

A new age in rheumatoid arthritis: a science writers roundtable

Top scientists from Harvard, Cornell, University of Dublin, and University of Colorado will discuss the molecular biology of IL-1 and its role in RA pathogenesis. They will also focus on new targets for treatment, such as bone degradation, and explore patient perspectives on quality of life.

SourcePorter Novelli·DateOct 3, 2000

Chile And China now linked to U.S. universities, scientific centers

China and Chile are now linked to U.S. universities through the STAR TAP global network, enabling high-speed data exchange for international collaborations. The connection enhances China's participation in next-generation Internet research and supports Chile's astronomical projects.

SourceUniversity of Illinois Chicago·DateOct 3, 2000

Gambling with the Earth

A physicist claims that scientists have underestimated the devastating potential costs of creating killer strangelets at a new US particle accelerator. The probability of such an event is tiny, but Kent argues that the scale of the destruction should be considered in risk assessments.

SourceNew Scientist·JournalThe New Scientist·DateOct 3, 2000
Fluke 87V Industrial Digital Multimeter

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

Dying patients give researchers new insights on care of terminally ill

A Northwestern University study collects data from nearly 1,000 dying patients to provide new insights into the care of terminally ill individuals. The research reveals that good communication with physicians and nurses, as well as spiritual/religious practices, contribute to a greater sense of purpose and personal acceptance.

SourceNorthwestern University·JournalJournal of Palliative Care & Medicine·DateOct 3, 2000

Exposing polluters

A report by the North American Commission for Environmental Cooperation identifies industrial plants in the US as the main polluters of dioxin in Nunavut, with sources including municipal waste incinerators and cement kilns. The findings provide a new tool for governments to clamp down on polluters and control emissions.

SourceNew Scientist·JournalThe New Scientist·DateOct 3, 2000

Chemicals in carpet can linger long after exposure

A study found that chemicals from household sources like mothballs and pesticides linger in carpeting for extended periods. The type of chemical determines how long it stays attached to the carpet, with denser materials persisting longer.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateOct 3, 2000

Scientists find potential new target for treatment of pediatric cancer

Researchers at Albert Einstein College of Medicine found that Id2 gene is implicated in neuroblastoma development and underlies tumor growth. The study suggests developing drugs to counteract the Id2 gene may provide targeted treatment for neuroblastoma and other cancers.

SourceAlbert Einstein College of Medicine·JournalNature·DateOct 3, 2000
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.

Playing professional football can be bad for health

A study of 300 former professional footballers found that almost two-thirds had experienced osteoarthritis, with knee problems being the most common. Anxiety and depression were also prevalent among those with this type of joint disease, which often led to early retirement.

SourceBMJ Specialty Journals·JournalBritish Journal of Sports Medicine·DateOct 2, 2000

Lifestyle and behavior changes may help reduce health care costs

A study of over 46,000 individuals found that lifestyle changes can significantly impact healthcare costs. The researchers identified 10 modifiable health risks that account for 25% of total annual expenditures, with stress-related problems being the costliest factor.

SourceCenter for Advancing Health·JournalAmerican Journal of Health Promotion·DateOct 2, 2000

A new tool to reduce antibiotic prescriptions?

A new clinical score for managing upper respiratory tract infections with sore throat could substantially reduce unnecessary antibiotic prescriptions. The study found that using the score would have reduced antibiotics prescribed to culture-negative patients by 63.7% and overall antibiotics by 52.3%.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateOct 2, 2000
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Osteoporosis: catching a time bomb among the elderly

A study found that only 18.5% of patients with fragility fractures received a proper osteoporosis diagnosis, and even fewer were treated accordingly. This gap in care represents a significant lost opportunity to build bone mass and reduce fracture risk among Canada's aging population.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateOct 2, 2000

UNC-CH study offers new evidence that garlic protects against cancers

A University of North Carolina at Chapel Hill study found that regular garlic consumption reduces stomach cancer risk by half and colorectal cancer risk by two-thirds. The researchers pooled data from 22 studies worldwide to confirm the protective effect, but note that supplements may not be as effective.

SourceUniversity of North Carolina at Chapel Hill·JournalAmerican Journal of Clinical Nutrition·DateOct 2, 2000

Annals of Internal Medicine, tip sheet, October 3, 2000

A study of 3,299 US oncologists found that 22% supported physician-assisted suicide for terminally ill patients with unremitting pain, while 6.5% supported euthanasia. Hydrochlorothiazide was shown to preserve bone density at the hip and spine in healthy older adults.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateOct 2, 2000
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.

Flu vaccine still needed

A University of Michigan professor suggests that flu vaccines should be administered when available to prevent lost work days and reduce physician visits, even if not cost-effective for working adults. The vaccine may have a greater impact on the elderly, who are more prone to complications.

SourceUniversity of Michigan·JournalJAMA·DateOct 2, 2000

Treating TB from beyond Canada's border

A study analyzing Ontario data found that immigration officials' referrals and region of origin are key determinants of tuberculosis risk. Immigrants from Vietnam had the highest incidence rate, emphasizing the importance of targeted prevention efforts to protect both migrant populations and native Canadians.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateOct 2, 2000
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.

Psychological well-being of infertile men

A new study published in Fertility and Sterility suggests that most infertile men cope with their situation well, with no significant differences among three groups of men. The researchers found that fertile men reported higher stress levels compared to those with low or no sperm count or unexplained infertility.

SourceUniversity of Alberta·JournalFertility and Sterility·DateOct 2, 2000

Beware the frozen vegetable ice pack to ease pain

A case study in British Journal of Sports Medicine reports a physical education teacher who suffered from permanent nerve damage after using a frozen chip ice pack for at least 40 minutes. The authors recommend applying ice packs with caution and limiting the application time to 30 minutes or less.

SourceBMJ Specialty Journals·JournalBritish Journal of Sports Medicine·DateOct 2, 2000

International research group led by UMass scientist sequences genome of ubiquitous microbe

A UMass-led international research group has successfully sequenced the genome of Halobacterium species NRC-1, a salt-loving microorganism. The achievement promises to reveal insights into cell regulation, gene expression, and potential biomedical applications, including vaccine development and antibiotic design.

SourceUniversity of Massachusetts Amherst·JournalProceedings of the National Academy of Sciences·DateOct 1, 2000
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.

Survey indicates oncologists support for euthanasia and physician-assisted suicide declined dramatically

A survey of 3,299 oncologists found a significant decline in support for euthanasia and physician-assisted suicide, with those trained in end-of-life care less likely to support these options. The study emphasizes the need for education on providing high-quality palliative care to dying patients.

SourceAmerican Society of Clinical Oncology·JournalAnnals of Internal Medicine·DateOct 1, 2000

Breast reconstruction during mastectomy boosts well-being most, study finds

A new study led by the University of Michigan found that breast reconstruction during mastectomy significantly improves emotional, social, and functional well-being. Women who opted for simultaneous reconstruction experienced a larger psychological boost than those who waited for reconstructive surgery later.

SourceMichigan Medicine - University of Michigan·JournalPlastic & Reconstructive Surgery·DateOct 1, 2000

Recovery from spinal injury

Researchers at Texas A&M University have made groundbreaking discoveries about spinal cord plasticity, which enables the spinal cord to learn and adapt without brain input. This breakthrough could potentially lead to greater chances of recovery for victims of spinal cord injuries.

SourceTexas A&M University·JournalJournal of Neurophysiology·DateOct 1, 2000

Drug shown to preserve ovarian function in mice

Researchers at Memorial Sloan-Kettering Cancer Center discovered a way to protect ovaries from radiation and chemotherapy damage by 'knocking out' a particular gene. A compound called sphingosine-1-phosphate (S1P) has been shown to preserve ovarian function, allowing mice to continue producing eggs.

SourceMemorial Sloan Kettering Cancer Center·JournalNature Medicine·DateOct 1, 2000
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.

Marshall tests membranes for future space structures

Researchers at NASA's Marshall Space Flight Center are testing thin-walled membranes for use in large space structures. The lightweight materials could revolutionize space exploration with reduced costs and increased efficiency.

SourceNASA/Marshall Space Flight Center News Center·DateOct 1, 2000

Sea may be source of future medicines

A team of researchers has discovered a diverse range of actinomycetes in marine environments, including coral reef sponges and sediments. These bacteria have the potential to produce novel antibiotics and are being explored as a source of future medicines.

SourceUniversity of Maryland Biotechnology Institute·DateOct 1, 2000

Study links teen smoking to symptoms of depression

A new study published in Pediatrics reveals a strong link between teenage smoking and depressive symptoms, with non-depressed teens who smoke facing a four times greater risk. Social factors such as peer tobacco use, poor school performance, and parental report of bad temper also predict progression to heavy smoking.

SourcePlaceholder·JournalPEDIATRICS·DateOct 1, 2000
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.

Six universities, INEEL announce collaborative research projects

Thirteen research projects selected for initial funding explore subsurface conditions, contaminants, and environmental cleanup methods at the INEEL site. The projects, funded by $3 million from INRA over three years, aim to develop effective cleanup methods for various applications.

SourceDOE/Idaho National Laboratory·DateOct 1, 2000

Treatment protects mouse ovaries from radiation therapy

A compound called sphingosine-1-phosphate (S1P) has been found to block the destruction of ovarian egg cells by radiation therapy in animal studies. This protection was shown to be effective in female mice exposed to levels of radiotherapy that would otherwise have destroyed their ovaries.

SourceMassachusetts General Hospital·JournalNature Medicine·DateOct 1, 2000

U-M team finds evidence of brain chemistry abnormalities in bipolar disorder

Research at the University of Michigan found a 30% higher concentration of signaling cells in people with bipolar disorder, which could explain and treat manic depression. The discovery highlights the disorder's genetic and biological roots, offering new avenues for understanding and treatment.

SourceMichigan Medicine - University of Michigan·JournalAmerican Journal of Psychiatry·DateSep 30, 2000

Tailoring mitochondria to the cell's needs

Lehman et al. show that PGC-1 is limiting for mitochondrial proliferation in cardiac muscle, directing changes in mitochondrial population across cells. Overexpressing PGC-1 increases fatty acid oxidation capacity and coupled OxPhos, but constitutive expression leads to dilated cardiomyopathy.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 30, 2000

Free radicals in alcoholic liver disease

A new study reveals that free radicals, generated by the macrophage enzyme NADPH oxidase, are essential for the development of alcoholic liver disease. The researchers found that mice lacking this enzyme were resistant to liver injury and had lower levels of covalent adducts in their bile.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 30, 2000
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.

Alcohol and bone fragility

Researchers found that alcohol feeding impaired osteoblast function and led to increased bone turnover, contributing to bone fragility. In contrast, mice lacking the interleukin-6 (IL-6) gene had better maintained bone mass and reduced fractures.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 30, 2000

Researchers prevent obesity and diabetes in mice

Scientists have developed genetically-altered mice that resist diet-induced obesity and insulin resistance by producing uncoupling protein-1 in muscle tissue. This protein burns excess energy as heat instead of storing it as fat, mirroring the effects of exercise on weight loss.

SourceWashU Medicine·DateSep 30, 2000

Topical application of a protein heals wounds

Researchers discover SLPI protein promotes healing in non-healing wounds, reversing tissue destruction and hastening recovery. The study's findings may lead to new treatments for delayed wound healing in the elderly.

SourceNIH/National Institute of Dental and Craniofacial Research·JournalNature Medicine·DateSep 30, 2000

Government and industry team up to battle infectious diseases

The NIAID Challenge Grants program will award $19 million to eight companies to develop new drugs and vaccines against deadly infectious diseases. Researchers will work on developing a pediatric indication for tafenoquine to prevent malaria in adults, as well as studying azithromycin for treating malaria.

SourceNIH/National Institute of Allergy and Infectious Diseases·DateSep 28, 2000
Celestron NexStar 8SE Computerized Telescope

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

High dose chemotherapy effective in patients with recurrent testicular cancer

A recent study conducted at Indiana University Medical Center found that high-dose chemotherapy followed by stem-cell transplantation can achieve a durable remission in approximately 50% of patients with recurrent testicular cancer. The overall cure rate for these patients is now estimated to be around 85 percent.

SourceAmerican Society of Clinical Oncology·JournalJournal of Clinical Oncology·DateSep 28, 2000

FERCO announces results of 2000 Archaeology Grant Competition

The Foundation for Exploration and Research on Cultural Origins (FERCO) has funded eight research projects on ancient civilizations in Asia, North America and Europe. These projects include studies of early maritime adaptations, trade networks and the distribution of obsidian, among others.

SourceUniversity of Maine·DateSep 28, 2000

Little-known substance regulates inflammatory response

A20 is a critical regulator of inflammation in multiple tissues, protecting against damage by inhibiting TNF activation. The discovery suggests new ways to block inflammation and may lead to novel forms of therapy for conditions like ulcerative colitis and septic shock.

SourceUniversity of Chicago Medical Center·JournalScience·DateSep 28, 2000
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.

How Salmonella bacteria protect against death by iron

Researchers discovered a novel survival mechanism in Salmonella bacteria that detects and protects them from high levels of iron. The PmrA/PmrB system allows Salmonella to fend off the antibiotic polymyxin and thrive in hostile environments.

SourceHoward Hughes Medical Institute·JournalCell·DateSep 28, 2000
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.

NASA, Lockheed Martin agree on X-33 plan

NASA and Lockheed Martin have agreed on a plan to proceed with the X-33 space plane program, including the use of aluminum fuel tanks for hydrogen fuel. The restructured plan focuses on milestone payments and mission safety, with the goal of reducing launch costs.

SourceNASA/Marshall Space Flight Center News Center·DateSep 28, 2000