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Science News Archive 2000


Page 18 of 66

Apple iPhone 17 Pro

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

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.

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.

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.

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.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

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.

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.

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.

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.

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.

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.

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%.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

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.