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Science News Archive 2004


Page 71 of 135

DOE scientists sample the skies

The NorthEast Aerosol eXperiment (NEAX) aims to evaluate the effects of aerosol pollutants on Earth's radiation balance and climate forcing. The researchers will conduct regional air-sampling flights from Latrobe Airport to study aerosol formation, growth, and distribution.

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.

Posttraumatic stress disorder linked with poor health

Women with PTSD experience more medical conditions and poorer physical health compared to those with depression or no history of mental health issues. The study found that PTSD affects 17% of women under 45, while depression rates are higher in older age groups.

The first domesticated donkey was born in Africa

A team of researchers found that domesticated donkeys originated in northeastern Africa approximately 5,000 years ago. Genetic analysis revealed two distinct lineages, indicating two separate domestications, which occurred between 303,000 and 91,000 years ago.

UCLA scientists discover obesity disrupts appetite hormone

Researchers found that obese individuals have disrupted ghrelin patterns, with lower blood levels at night, contradicting common expectations. This discovery may lead to new targets for treating obesity and explore drugs that make people more sensitive to their internal cues.

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.

Hopkins to found first center for comprehensive study of epigenetics

The new Center for the Epigenetics of Common Human Disease at Johns Hopkins will develop tools to create comprehensive information about epigenetics and apply it to studying autism and bipolar disorder. Researchers will also examine entire epigenomes of specific groups to hunt for clues to human disease.

Taking superconductors to new heights

Researchers at Ames Laboratory have successfully developed a new type of superconductor, carbon-doped magnesium diboride, which can withstand higher magnetic fields. The material has a critical temperature of 39 Kelvin, making it more economical to use compared to other superconductors.

Apple iPhone 17 Pro

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

Clemson researcher places hope on pushy photons

A Clemson bioengineer has created a method using laser beams to align cells in a pattern, simulating tissue environments on a small scale. This technology could lead to early detection of cancer, saving lives, by detecting cellular responses to light.

Md., N.J., Tenn., Texas students named to US Chemistry Olympiad team

Top US high school students have been selected to serve as members of the 2004 US Chemistry Olympiad Team, including Emily Tsui, Eric Brown, Fan Zhang, John Leon Kiappes, Jr., Jeremy Hiatt and Allen Cheng. The team will represent the country at international events, following college-level training and competition in organic chemistry.

A third of embryo donation families plan to tell children of their origins

Research found that 21% of embryo donation families chose to remain secretive about the child's origins due to concerns over family relationships and the mother's perceived biological role. Despite this, there were no negative effects on the children, and parental warmth and quality of parenting remained consistent across all groups.

Fluke 87V Industrial Digital Multimeter

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

Noah's modern ark: The role of ART in conserving endangered species

The use of artificial reproduction technologies in wildlife conservation aims to understand fundamental reproductive mechanisms in various species. Dr. David Wildt highlights the importance of collaboration between specialists from different disciplines to achieve genuine conservation.

Early predictor of breast cancer aggressiveness

Researchers found that ALCAM gene expression is significantly lower in higher-grade tumors and those with a worse prognosis. This suggests that decreased ALCAM expression indicates a more aggressive phenotype and poor prognosis in breast cancer.

Triple therapy fights type 2 diabetes without weight gain

Researchers have found that triple therapy using insulin, metformin, and a thiazolidinedione drug can control blood sugar levels without weight gain. The study showed that nearly all patients reduced their HbAlc levels below 7 percent, with some even achieving levels below 6 percent.

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.

UCSF HIV mother/child education CD-ROM targets Third World

The UCSF Center for HIV Information has released the third edition of a CD-ROM targeting healthcare professionals in developing countries. The resource includes 5,000 pages of text on treatments, drugs, and standards of care from various countries.

Finding the hole in the defenses of cavity-creating microbes

Researchers at the University of Rochester Medical Center have discovered that S. mutans, the primary bacterium responsible for tooth decay, has a vulnerable gene called fabM that enables it to withstand acidic environments. By targeting this gene, scientists may be able to develop new compounds to kill S. mutans and reduce cavities.

Yale scientists decipher odor code

Researchers at Yale University have created a detailed map of the relationship between odor receptors and neurons in fruit flies. The study reveals that different receptors respond to varying numbers of odors and can even be inhibited by certain smells, providing valuable insights into the human olfactory system.

Hope Clinic of Emory Vaccine Center receives CDC contract

The Emory Vaccine Center's Hope Clinic will conduct clinical trials for topical vaginal microbicide gels to prevent HIV transmission, particularly among women in Atlanta and worldwide. The trials aim to test the safety and acceptability of two different gel formulations on healthy and high-risk individuals.

Perceptual Baggage

Researchers investigated airport security personnel's cognitive processes and found that changing targets dropped their abilities significantly, even with warnings. The ideal training for security screeners would involve familiarizing them with every possible threat to increase reliability.

Meta Quest 3 512GB

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

A fly's taste experience is much like our own

A study by UC Berkeley neuroscientists found that fruit flies have taste receptors similar to humans, with four types devoted to sweet and bitter flavors. The researchers mapped the taste receptor nerve cells into the brain, revealing a map both of location and type of taste.

Biologists ID defense mechanism of leading fungal pathogen

Researchers at Rice University have discovered the genetic basis of Candida's defense mechanism against nitric oxide, a key player in slowing down yeast growth. The study identifies a specific gene that allows Candida to sense NO levels and ramp up its defenses, providing a potential target for new drug therapies.

Underusing medications because of cost may lead to adverse health outcomes

A nationwide study found that restricting medication use due to cost can lead to significant declines in self-reported health status and increased rates of depression among older adults. The study, which included over 7,900 participants, highlights the importance of access to prescription medications for older patients.

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.

Researchers examine oleic acid in atmosphere

Scientists examine how oleic acid reacts with ozone and water molecules in the atmosphere, producing hazardous byproducts that can cause respiratory problems. The researchers aim to measure the exact amount of these byproducts formed during reactions.

First proof that cutting Rx drugs due to cost harms health

A long-term study of 8,000 seniors found that those who cut back on prescription medicines due to cost had significantly worse overall and heart-related health outcomes. The study also showed that patients with depression over age 70 were more likely to experience a worsening of their condition if they cut back on their medications.

Yale researchers receive $4.5 million grant to study spinal cord repair

The Center of Excellence on Restoration of Function (CERF) at Yale University has received a five-year, $4.5 million grant to study spinal cord repair. The research aims to protect, repair and support the injured nervous system, with potential breakthroughs in treating conditions like multiple sclerosis and spinal cord injuries.

Underground carbon dioxide storage reduces emissions

A project has successfully demonstrated that underground carbon dioxide storage can economically reduce emissions, allowing the oil industry to pump carbon dioxide into its wells and produce extra oil. Over 1.9 billion cubic meters of CO2 have been injected into a Saskatchewan oil reservoir since 2000.

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.

Study: Too few doctors ask teens about smoking

Researchers found that younger patients, rural areas, and pregnant women were more likely to have their smoking status recorded in patient charts. However, only 50% of identified teen smokers received physician advice to quit and counseling was the most common form of assistance offered.

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.

Call for removal of Crestor

Rosuvastatin, marketed as Crestor, has been linked to a higher incidence of rhabdomyolysis and renal insufficiency compared to other statins. The drug's manufacturer, AstraZeneca, is estimated to be seeking $20 billion in annual sales, making it morally unjustifiable to keep the drug on the market.

Helping employees cope with aggressive customers

A recent study found that employees who were allowed to regulate their emotions in response to customer aggression reported lower levels of stress. Employers are advised to provide training in emotional regulation for service representatives to reduce burnout and absenteeism. The researchers also recommended enhancing job autonomy to m...

Bad teeth blamed on unhealthy adult lifestyle

A study by Newcastle University found that adult smokers are more likely to experience tooth loss. Adults from disadvantaged social backgrounds also suffered from oral health problems. The research suggests that public health interventions should target adults as well, in addition to children.

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 research demonstrates powerful new tool used to study landslides

Researchers used high-resolution interferometric synthetic aperture radar to analyze data collected between 1992 and 2001 from European Remote Sensing satellites. They found that sliding rates increased by up to 30% during heavy rains, which may be controlled by elevated water pressures in the ground subsurface.

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.

Vanderbilt Engineering to lead new defense nanotechnology program

The Advanced Carbon Nanotechnology Research Program aims to explore carbon nanostructures for biological and chemical sensors, energy-conversion devices, and electron emission devices. The research will train graduate students and establish interactions with industry and government laboratories.

Animal studies show promise for development of human SARS immunisation

Researchers have successfully developed a human SARS immunisation in animal studies, showing that monkeys vaccinated with the SARS vaccine had antibodies to the virus and no evidence of viral shedding. In contrast, control group monkeys without vaccination showed significant viral shedding after infection.

Celestron NexStar 8SE Computerized Telescope

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

'Search and destroy' protein turns tables on HIV

Researchers found that APOBEC3F protein can evade VIF's destruction of retroviral restrictors, potentially contributing to HIV resistance. The 'search and destroy' defense of APOBEC proteins may play a crucial role in resisting HIV infection.

New insight into cancer metastasis

Researchers discover that cancer cells misuse the Twist protein to bypass multiple steps of metastasis, a process that requires cell invasion and migration. The study suggests potential applications for developing a Twist inhibitor as a therapeutic approach.

Intranasal SARS vaccine protects monkeys from infection

Researchers have developed an intranasal SARS vaccine that protects African green monkeys from infection with a single dose, delivering the vaccine directly into the respiratory tract. The vaccine targets the SARS spike protein and induces neutralizing antibodies against the virus.

NCAR computer modelers to use powerful new Linux system

The University Corporation for Atmospheric Research has purchased a large-scale Linux-based computing system, adding significant computing capacity to NCAR's arsenal. The system will enable the evaluation of major community climate and weather codes in a full-scale Linux environment.

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.