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Science News Archive 2004


Page 82 of 135

The silence of the genes

Researchers from USC provide a new perspective on treating genetic disorders by switching genes back on using epigenetic therapy. Several chemical compounds have been found to affect epigenetic gene changes and are being tested in clinical trials, including one recently approved for myelodysplastic syndrome.

Celestron NexStar 8SE Computerized Telescope

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

Study suggests double punch could more efficiently kill viruses

A new study published in Science proposes a potential design principle for vaccines targeting difficult-to-destroy viruses like HIV and smallpox. The research found that a double-punch approach, targeting both pathways to activate killer cells, could provide more efficient protection against viruses.

Milky way churning out new stars at a furious pace

Astronomers have discovered over 300 newly forming stars in a distant nebula, creating ideal conditions for the formation of new solar systems. The sheer number of objects is astounding, and may force us to rewrite our ideas of star formation and how much of it is going on in the Milky Way.

Big tobacco is watching

The Tobacco industry's document depository in Guildford, UK, is being criticized for its limited access and transparency. The company has failed to provide electronic access to requested documents, despite claiming to have 'big time imaging' capabilities.

Chronic care medicine: Physicians say 'help!'

A Johns Hopkins-led study found that most physicians reported positive attitudes towards caring for patients with chronic conditions, but felt they had received less training than needed. Chronic problems like diabetes and heart disease account for over 75% of healthcare spending in the US.

Apple iPhone 17 Pro

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

Staying on the path - One atom at a time

A new percolation model allows researchers to study cell signaling and track the movement of single atoms in complex pathways. This breakthrough enables fundamental chemical reactions to be observed at the molecular level in living cells.

NSF launches Discovery Corps fellowship program

The NSF Discovery Corps fellowship program aims to connect researchers with host organizations, promoting interdisciplinary collaboration and skill-sharing. The pilot project will provide funding for six fellowships focused on various projects, including promoting STEM careers among undergraduates.

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.

Anaesthesia guidance system can reduce awareness during surgery

A recent study published in The Lancet found that Bispectral Index (BIS) monitoring can significantly reduce the incidence of awareness during surgery. By using BIS-guided anaesthesia, patients at risk experienced only two cases of awareness compared to 11 reported cases with standard care.

'Noisy' genes can have big impact

Researchers identify source of random noise in gene expression, finding that promoter preparation and remodeling contribute to variability. This variation can affect protein levels and cell behavior, with implications for evolution and 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.

UW-Madison scientists find a key to cell division

Researchers identified more than 500 proteins contained in the midbody structure necessary for normal cell division. Inactivating these proteins led to cytokinesis defects, causing abnormal cell division, which can lead to diseases such as cancer, birth defects, and neurological disorders.

Targeting genes with viruses to select populations of nerve cells

Researchers at Yale University have developed a method to target specific populations of nerve cells in the brain using viruses. By injecting an adeno-associated virus into the brain, they can trigger the expression of a jellyfish gene that glows green in certain neurons. This approach has significant potential for the treatment of neu...

'Heads-up' display lives up to its name

The Wearable Low Vision Aid (WLVA) is a portable system that uses an infrared camera and head-mounted display to warn users of potential hazards. The device projects a warning icon onto the user's retina using an illuminated, vibrating crystal, alerting them to obstacles such as branches or trash cans.

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.

Parkinson's caregivers at risk for deteriorating health

A recent OHSU study found that Parkinson's caregivers experience dramatic declines in physical and mental health over 10 years, with increased strain and depression. The study identified predictors of caregiver risk, highlighting the importance of supporting family caregivers to improve patient outcomes.

African-Americans respond poorly to hepatitis C treatment

A study led by Duke University Medical Center researchers found African-Americans have a significantly lower response rate to treatment for chronic hepatitis C. Only 19% of African-American patients responded to the drug combination, while 52% of non-Hispanic white patients achieved a sustained virologic response.

Uppsala scientists behind acclaimed health site

Researchers at the University of Uppsala developed PQL, a diagnosis and treatment program that leads to improvement in stress management and overall well-being. The program uses psychosocial, biological, and production measures and has been shown to have a clear impact on sleep, concentration, and physiological factors.

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.

Birds use herbs to protect their nests

Researchers found that several plant materials and extracts inhibited the growth of harmful bacteria when introduced into bird nests. These findings suggest that parent birds may be using medical botany as a form of effective home nest security to protect their offspring from disease.

New surgical device for long bone repair reduces X-ray exposure

A new, low-cost hand-held magnetic surgical tool has been developed to reduce X-ray exposure during long bone repair surgeries. The device uses electronic sensors instead of X-rays to locate screw holes, making the process precise and reducing radiation exposure for surgeons.

Does antibiotic use contribute to allergies?

Researchers found that antibiotic therapy can promote allergic airway responses in mice, particularly when Candida albicans colonization occurs. The study suggests a potential link between antibiotic use and human allergies.

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.

Leroy Hood to receive 2004 Biotechnology Heritage Award

Leroy Hood is being honored with the 2004 Biotechnology Heritage Award for his groundbreaking work in systems biology and medicine. He pioneered the techniques that enabled the rapid sequencing of the human genome, revolutionizing genomics.

Gene linked to alcoholism

Researchers at the University of Illinois Chicago discovered a gene, CREB, that regulates brain function during development and learning. Mice with only one copy of the CREB gene exhibited increased anxiety-like behaviors and consumed more alcohol than normal littermates.

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.

Some positive findings in new study on cocaine exposed children

A recent study published in JAMA found that prenatal cocaine exposure was not associated with lower full-scale IQ scores, but did show specific effects on information, arithmetic, and object assembly. Children in foster or adoptive care showed improved cognitive outcomes despite higher levels of cocaine exposure.

Nanoparticles illuminate brain tumors for days under MRI

Researchers have developed an iron oxide nanoparticle that can outline brain tumors and other lesions for up to five days under MRI, providing a new imaging marker. This contrast agent has the potential to assist in image-guided brain surgery and improve diagnosis of neurological disorders.

Antibiotics alter GI tract microbes and increase lung sensitivity to allergens

Researchers found that antibiotics can alter the gut microbiome, leading to increased lung sensitivity to allergens. This disruption can trigger a hyperactive immune response, producing allergy symptoms or even asthma. The study suggests that maintaining a healthy balance of gut microbes is crucial in regulating the immune system.

MIT studies terrorism's impact on supply chain

A recent MIT study explores the effects of terrorism on global supply chains, highlighting the importance of vulnerability maps and flexible supply chains in minimizing disruption. The research also emphasizes the need for corporate cultures to prioritize communication and security.

Don't laugh -- research shows comedy gives candidates serious boost

A study by the University of Washington found that late-night comedy viewership had a significant impact on George W. Bush's favorability rating during the 2000 presidential campaign. The study, known as the 'Letterman Effect,' showed that Bush's ratings increased among late-night viewers after appearing on David Letterman's show.

Fluke 87V Industrial Digital Multimeter

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

VA/UCLA researchers pinpoint role of histamines in waking

Researchers found that histamine cell activity continues during cataplexy, while norepinephrine and serotonin cell activity ceases, leading to loss of muscle tone. The study sheds light on the biological causes of narcolepsy and may aid in developing drugs to induce sleep and increase alertness.

How odors help make multimodal memories

Researchers found that the piriform cortex was activated when subjects saw objects previously associated with odors, confirming models of memory recall. The hippocampus draws on these sensory components to reconstruct rich memories.

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.

CHF creates traveling exhibition celebrating women in chemistry

The exhibition features 12 thematic stations celebrating diversity in fields like genetic research, fashion, and environmental understanding, highlighting the impact of women chemists on our daily lives. Featured chemists include Marie Meurdrac and Susan Solomon.

Molecular image of genotoxin reveals how bacteria damage human DNA

The cytolethal distending toxin, a bacterial toxin that causes diseases such as typhoid fever and diarrhea, damages human DNA by creating lesions and breaks that prevent cells from dividing. This discovery provides a visual blueprint for understanding the toxin's mechanism and could lead to new drug targets to prevent cancer.

'Dissecting sleep' by studying the strange phenomenon of cataplexy

The study reveals that histamine-triggered neurons maintain normal waking-level activity during cataplexy and are not affected by drugs that increase the condition. The findings also suggest a link between hypocretins, which govern wakefulness, and the effect of these proteins on histamine cells.

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.

Unexpected similarities between raindrops and proteins

Researchers have discovered a key principle in protein folding that may help understand neurodegenerative diseases. By studying the formation of raindrops, scientists have developed a new theory that can analyze protein folding in a clearer light, offering a potential step toward understanding and treating these diseases.

New theory suggests people are attracted to religion for 16 reasons

A new psychological theory proposes that 16 basic human needs, such as honor and idealism, drive individuals to adopt religious beliefs. The theory, developed by Steven Reiss at Ohio State University, suggests that each person balances their unique set of needs when engaging with religion.

Remembrance of smells past

Researchers at UCL's Institute of Neurology found that memories are distributed across different brain regions, not just one area. This means that a single sense can reactivate a memory, rather than requiring all aspects to be recreated.

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.

Study shows that genes can protect kids against poverty

A new study found that genes play a significant role in buffering children against poverty's negative effects on their cognitive and behavioral development. The research, published in Child Development, shows that genetic makeup accounts for 70% of variability in behavioral resilience and 46% of differences in cognitive ability.

Nanoscale contact optimizes adhesion

Researchers discovered an optimal shape of nanoscale contact surface that enhances adhesion strength, which becomes insensitive to small variations at a critical size scale of around 100 nanometers. This finding suggests combining size reduction and shape optimization for robust and reliable adhesion.

White tea beats green tea in fighting germs

A new study by the American Society for Microbiology reveals that white tea extract is more effective than green tea at inactivating bacterial viruses and has an anti-fungal effect on certain fungi. The addition of white tea to toothpastes enhances their anti-microbial properties.

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.

AGU Journal Highlights - 25 May 2004

A study found that planetary waves reflect instead of absorb in the subtropics, affecting weather patterns. Phytoplankton growth in Arctic waters is influenced by sea ice coverage, with polynyas impacting timing and intensity. Carbon dioxide release from underground waterways may predict tectonic activity in central Italy.

May/June 2004 Annals of Family Medicine tip sheet

The US Preventive Services Task Force recommends against routine ovarian cancer screening due to no evidence that it reduces mortality. In contrast, they support regular eye exams for children under 5 to detect amblyopia and other causes of visual impairment. Early detection can improve visual acuity and prevent long-term harm.

Ecological success?

Research shows that older mothers produce faster-growing and more resilient larvae, while smaller ants disrupt native seed dispersal patterns. Exotic plants also adapt quickly to new environments, and artificial night lighting can harm migrating birds.

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.