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Science News Archive February 2004


Page 6 of 11

Digging for truth in Guatemala

The American Association for the Advancement of Science (AAAS) honors forensic anthropologist Fredy Peccerelli for his work with the Guatemalan Forensic Anthropology Foundation, investigating mass human rights abuses and exhuming thousands of victims' remains. Despite facing death threats and impunity, Peccerelli's work has promoted hu...

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.

Titan is ideal lab for oceanography, meteorology

Scientists plan to deploy the Huygens probe to study Titan's lakes, seas, and climate. The moon's thick atmosphere and liquid hydrocarbons will provide a unique environment to understand oceanographic processes and predict climate changes.

Database on blood and marrow stem cell transplants now available online

The database provides survival rates of people who received cell grafts, helping doctors evaluate the potential risks and benefits of transplantation in treating disorders like leukemia. Researchers can generate hypotheses on the role of donor matching in blood and marrow stem cell transplants with this new resource.

Intelligent design: The new 'big tent' for evolution's critics

The intelligent design movement argues that life's complexity demands a knowing designer, potentially altering the way science is taught in schools. While differing from scientific creationism, its agenda to weaken or eliminate evolution's teaching in public classrooms remains ambitious.

Computer scientists develop tool for mining genomic data

Researchers have created a computational tool to mine genomic data and identify biologically meaningful gene regulatory networks. The tool uses a probabilistic framework that integrates data from various sources, including microarrays, DNA sequences, and protein-protein interactions.

At AAAS: Biocomplexity panel on human-nature interactions

The AAAS panel on human-nature interactions examines six NSF-supported projects focusing on urban development, Polynesian culture, and shoreline development. Biocomplexity researchers discuss the linkages between human behaviors and natural systems, highlighting the importance of interdisciplinary approaches and new technologies.

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.

Small resource changes might reduce Kenya poverty

Researchers studying small farms in Kenya found that restoring natural resources can improve agricultural productivity, particularly in villages with high soil degradation. By adopting more fertilizers and other inputs, farmers in a second village showed better economic outcomes.

HUPO scientists tackle human blood plasma proteome

HUPO scientists have created a master proteomics database from human blood plasma, which will help answer key questions about protein identification and analysis. The project's long-term goals include identifying all protein constituents of human blood plasma and determining variation across populations.

University of Minnesota professors to speak at symposium on international trade

University of Minnesota professors Terry Roe, Ronald Phillips, and G. Edward Schuh will discuss topics such as trade disputes, GMO crop plantings, and biosafety protocols at the symposium. The event aims to shed light on the impact of international trade policies on economic growth and institutional reform in less developed countries.

K-State science education professor to give symposium

John Staver, a K-State science education professor, argues that intelligent design cannot be considered a scientific theory due to the absence of empirical evidence and rigorous testing. He emphasizes the importance of scientific experimentation and peer review in establishing new scientific ideas.

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.

K-State professor to give paper on potential impact of ag bioterrorism

Kansas State University professor James Stack presents a paper on the National Plant and Diagnostic Network, which uses diagnostic centers, regional labs, and expert databases to rapidly detect and diagnose potential bio threats in crops and livestock. The network has already been effective in detecting natural outbreaks like BSE and s...

Lake restrictions make lakeshore property more valuable

Researchers found that lake classification systems can increase property value by protecting lakes from overdevelopment and preserving environmental quality. In Vilas County, Wisconsin, homeowners who adopted a lake classification system saw significant increases in property prices due to their commitment to environmental preservation.

Vaccine risk acceptance depends on what you do and don't know

Research by Ann Bostrom reveals that people's willingness to accept vaccine risks depends on what they do and don't know. Personal experiences with adverse reactions also impact risk perception. The study highlights the need for both technical analysis and deliberation in decision-making processes.

Role of gas hydrates in carbon cycling and environmental change noted

Research suggests that gas hydrates, formed in deep-sea sediments, contain massive amounts of methane, a potent greenhouse gas. These hydrates can charge and discharge variable amounts of methane constantly, responding to factors not yet understood. This finding necessitates a revised view of the carbon cycle.

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.

Breakthroughs in acoustic tracking shine new light on the lives of fish

New acoustic tracking technology provides detailed knowledge of fish movement and habitat use, enabling the design of effective conservation measures. Small reserves can effectively protect adult fish populations, while larger reserves may be more beneficial for overall marine biodiversity.

Applying results of women's health initiative study to individual patients

The American Association for the Advancement of Science recommends physicians consider risk factors and prevention options when prescribing hormone replacement therapy. Women with a high risk of chronic diseases may benefit from alternative treatments, while those with menopause-related symptoms may still be suitable candidates for HRT.

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.

Laser method identifies, counts toxic molecules

A novel laser technique has been developed to identify and quantify toxic molecules, such as trichloroethylene, in the environment. The method enables quantitative studies of real-world surface processes without requiring ultrahigh vacuum conditions.

NHLBI awards $68 million to fund clinical centers in pediatric heart disease

The NHLBI's Specialized Centers of Clinically Oriented Research program aims to improve treatment and outcomes for children with congenital heart defects by fostering multidisciplinary collaborations. The $68 million grant will support five new centers, each addressing a critical public health need in pediatric cardiovascular research.

Apple iPhone 17 Pro

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

Researchers offer tips for longer lived CD, DVDs

Researchers at National Institute of Standards and Technology (NIST) offer guidelines for preserving CDs and DVDs. Handling discs with care and storing them in a cool, dark environment can help extend their lifespan. A quick reference guide to the research group's findings is available on NIST's website.

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.

Powerful machines are coming in small packages

Researchers have developed a portable cooling system that weighs just several pounds and can detect chemical and biological toxins using miniature sensors. These devices use microchannels to enhance heat transfer or chemical reactions, enabling better process control and overall miniaturization of systems.

Major U.S. environmental policy bears scrutiny in midlife

The National Environmental Policy Act (NEPA), passed in 1970, has had a significant impact on US environmental policy and is now being revisited in its midlife. NEPA's strength lies in giving groups the power to oppose local projects that may threaten the environment, such as highway development.

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.

Federal standard issued for improving IT security

The new standard provides detailed guidance on categorizing systems and assessing potential impact of security breaches. It will help agencies make informed decisions and implement cost-effective security measures, complemented by a companion standard specifying minimum federal system requirements.

PNNL envisions smart energy approach projected to save billions

The US will need to invest $450 billion in conventional electric infrastructure to meet growing demand by 20 years, but a smart energy approach can reduce this cost. By leveraging info tech, PNNL engineers aim to minimize new infrastructure, lower rates, and enhance grid security.

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.

Molecular mechanisms that trigger flowering in spring

The CONSTANS protein plays a central role in triggering flowering in plants, accumulating in the nuclei of cells under long days but not in short days. Researchers at the Max Planck Institute have discovered that specific photoreceptors detect blue and far-red light to stabilize CONSTANS protein, allowing it to activate flowering genes.

Report details growing climate change threat to coral reefs

Scientists warn that coral reefs are facing a 'crisis' due to human-caused climate change, threatening biodiversity and economic benefits. Rising CO2 levels and warmer waters cause coral bleaching and ocean acidification, devastating reef ecosystems.

Goal of ocean 'iron fertilization' said still unproved

Scientists investigate iron fertilization to remove carbon dioxide from the atmosphere by boosting phytoplankton photosynthesis. However, the process is hindered by zooplankton consumption and limited sinking of plant material.

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.

Babies tune into others' intentions early in the first year

Infants begin to grasp intentional action in the first year, understanding actions as goal-directed and recognizing invisible connections between people and objects. This early knowledge lays the foundation for later developments in understanding intentions.

Study uncovers how stress and hormones lead to smoking relapse

A recent study found that stress affects men and women differently when it comes to nicotine addiction and relapse. Women experience greater emotional side effects, while men struggle with biological changes during abstinence. The study also revealed that cortisol levels play a crucial role in triggering cravings and withdrawal symptoms.

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.

Testing sticky stuff with a 'fly's eye'

Researchers at NIST collaborate with industry partners to devise rapid screening and measurement methods for new epoxies, pressure-sensitive adhesives, and other high-value products. A miniaturized test platform utilizing micro-lens technology is designed to screen hundreds of adhesive formulations in an automated process.

Stressed at work? How taking a coffee break might make things worse

A study found that caffeine consumption can heighten feelings of stress in men, particularly when working on collaborative tasks. However, caffeine also reduced ratings of stress in women and improved performance in some individuals. The researchers suggest that coffee breaks may backfire in business situations, especially for men.

Wearable air-conditioners: Hot, new microtechnology keeps GI's cool

Researchers have developed heat-actuated lightweight and compact cooling technology capable of sustaining manageable temperatures for several hours. The system can weigh as little as three to four pounds, providing relief from extreme conditions, and is expected to benefit both military and commercial applications.

New flu vaccine provides insight into immunity development

Researchers are testing a new flu vaccine that delivers the vaccine in the nose to observe differences in immune system reactions. The study aims to improve immunity in the respiratory tract for all pathogens, with implications for biodefense.

Fluke 87V Industrial Digital Multimeter

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

Malnutrition and misery will be 'unimaginable' by 2054

Agricultural ecologist David Pimentel warns of unimaginable malnutrition and human misery by 2054 if current trends continue. The world's growing population is putting pressure on resources like cropland, fresh water, and energy, threatening food production.

Distant quasars probe end of cosmic dark ages

A team of astronomers has discovered 13 distant quasars, providing valuable insights into the early universe. The most ancient quasars are thought to have formed right along with supermassive black holes, suggesting a rapid transition from the cosmic dark ages to the cosmic renaissance.

ATP opens new competition for R&D projects

The National Institute of Standards and Technology (NIST) is holding a single competition for Research and Development (R&D) projects, with approximately $30 million in funding available. Public meetings will be held across the country to provide information on the competition, project selection criteria, and eligibility requirements.

Celestron NexStar 8SE Computerized Telescope

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

Aromatase inhibitors: A promising new treatment for endometriosis

A new study finds aromatase inhibitors can significantly reduce endometriosis severity and pain, offering a more effective treatment with fewer side effects. The treatment involves taking letrozole along with progestin for six months, resulting in improved symptoms and reduced estrogen production.

Demolition tests aim to improve emergency communications

Researchers placed modified radio transmitter modules within a high-rise before demolition and found that 10 of the 14 modules continued broadcasting after the structure was destroyed. The study aims to develop technology allowing emergency personnel to locate survivors by locking onto cell phone or radio signals in collapsed buildings.

Local, regional governments could take lead in curbing global air pollution

Research shows that regional governments can effectively curb air pollution by working with neighboring countries to monitor and address the issue. Local involvement in solving global environmental problems is critical, as many of the same activities causing global climate change also produce local pollution. Experts believe that regio...