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Science News Archive 2002


Page 26 of 93

$10 Million center for theoretical biological physics created at UCSD by NSF

The Center for Theoretical Biological Physics at UCSD combines theoreticians and experimentalists to advance research in understanding complex biological systems. The interdisciplinary approach will provide insights into fundamental laws governing biological systems, enabling predictions and breakthroughs in biology and physics.

Apple iPhone 17 Pro

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

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.

Rare disorder provides new insight into fighting infection

Researchers discovered a mutation in the caspase-8 gene in two siblings with an immune disorder, which led to impaired lymphocyte activation and severe immunodeficiency. The study found that functional caspase-8 restored immune cell function, suggesting its potential as a target for new therapies.

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 distress may predict hypertension

A study of 15 research studies found that high psychological distress was associated with an 8% increased risk of developing hypertension. The researchers suggest that the relationship between psychological factors and hypertension development is a significant concern for clinical health experts.

Rabies vaccinations could help save Ethiopian wolf

Ethiopian wolf populations are threatened by rabies, which spreads rapidly among packs. Vaccinating surrounding dogs is a costly and difficult option, but researchers found vaccinating wolves themselves could increase survival rates. Developing an oral rabies vaccine for wolves may be a more effective solution.

Snuff use may be ‘gateway’ to cigarette smoking

A study published in the American Journal of Preventive Medicine suggests that snuff use may be a gateway to cigarette smoking. Men who had quit using snuff were more likely to have switched to cigarettes than those who had never used snuff, indicating that snuff might impede smokers' efforts to quit.

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.

Men’s health more vulnerable to stressful life events

A recent study published in Psychosomatic Medicine found that men are more susceptible to negative health effects from stressful life events. The study, conducted among 2,991 full-time municipal employees, discovered a strong link between major life events and increased psychological problems and impaired health.

Sea snake homing instinct could nix translocation

A recent study found that sea snakes exhibit strong homing instincts, returning to their native islands within a month after translocation. This suggests that populations may be more vulnerable to local threats and extinctions than previously thought.

Ethnic, gender differences in blood pressure also seen in youth

Research found that adolescent blood pressure increases differ by ethnicity and sex. Black participants showed greater blood pressure responses to stress compared to white subjects. Males also exhibited higher blood pressure levels during relaxation, similar to findings in adults.

Remembering stressful events may lead to later heart disease

Researchers found that recalling stressful events can lead to delayed blood pressure recovery and increased cardiovascular disease risk. Chronic stress is also associated with an elevated risk of later heart disease, likely due to prolonged strain on the cardiovascular system.

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.

Fragmentation may be linked to local amphibian extinctions

A study by Rothermel and Semlitsch found that juvenile amphibians preferentially use corridors of natural vegetation to move through fragmented forests. The researchers also discovered that these animals lose more water in open fields, making forest habitats a safer choice for survival.

Plastic shows promise for spintronics, magnetic computer memory

Scientists at Ohio State University have developed a new material that can store and transfer data through the spin of electrons, enabling faster processing speeds and lower power consumption. This breakthrough could lead to instant-on computers, reduced weight, and lower manufacturing costs.

No extra disease seen in chemical-exposed Gulf War veterans

A study of Gulf War veterans found no significant difference in health indicators between those exposed to low levels of chemical warfare agents and those not exposed. Veterans deployed to the region were more likely to experience psychological and physical ailments, but these effects were not unique to those with exposure.

Breeding programs should incorporate mate choice

Incorporating mate choice into breeding programs can increase the survival of young whitefish and other species by selecting for genetically superior males. However, this approach may also reduce genetic variation, requiring a balance between the two goals.

Fluke 87V Industrial Digital Multimeter

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

Exhaustion's effect on blood increases heart attack risk

Research found that vital exhaustion, a state of excessive fatigue and hopelessness, is associated with higher blood levels of fibrinogen, which can lead to excessive blood clotting. Decreased early morning fibrinolysis was also linked to vital exhaustion, increasing heart attack risk.

Repressing anxiety may protect against stress disorders

A study of over 100 patients hospitalized for a heart attack found that repressive coping style can promote adjustment to traumatic stress in the short and long term. The repressive participants had lower rates of acute stress disorder and post-traumatic stress disorder compared to highly anxious participants.

Fairness of sibling treatment key to its impact, study shows

A study published in Family Psychology found that children who perceive fair parental treatment are less prone to depression, anxiety, and lower self-worth. Parents should consider their children's views on preferential treatment to promote better outcomes.

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.

Patients often miss out on nutrition counseling, at cost to health

A recent study found that only a quarter of patients receive nutrition counseling during doctor visits, falling short of national nutritional objectives. Physicians can be trained to offer tailored nutrition messages, but more in-depth counseling is needed for optimal patient outcomes.

Web therapy may help tinnitus sufferers cope with problem

A new study suggests that web therapy can effectively reduce tinnitus-related symptoms in patients, particularly those experiencing mild to moderate distress. The treatment involves cognitive behavioral exercises, relaxation, breathing, and sleep management training via the Internet.

Depression increases risk for some heart transplant patients

A recent study published in Psychosomatic Medicine reveals that heart transplant patients with depression are at a higher risk of mortality compared to those without depression. The study found significant correlations between depression and poor post-operative survival in ischemic disease patients.

Still mulling over last night's argument? It could affect your heart

A recent study by UC Irvine researchers suggests that dwelling on emotionally charged events, such as arguments, can lead to higher blood pressure and increased risk of later health problems. The study found that ruminating over past stresses can cause longer recovery times in the body than non-emotional yet stressful events like running.

Climate change: 50 years past and possible futures

The GISS 'SI2000' climate model demonstrates that global temperature change is mainly a response to human-made forcings, such as carbon dioxide and methane. The study projects possible futures under two contrasting scenarios, with minimal warming if air pollution decreases and CO2 emissions are stabilized.

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.

Identification of the first gene in posttraumatic stress disorder

Researchers found a common mutation in the DAT gene to be associated with trauma survivors who developed chronic PTSD, suggesting a genetic contribution to the disorder's development. The study implies that genetically determined variation in dopaminergic neurotransmission may play a role in shaping the pathological response to trauma.

DNA separation by entropic force offers better resolution

Researchers at Cornell University have developed a DNA separation method using entropic force, which offers better resolution than traditional methods. The new technique uses a nanofabricated device to separate DNA strands of different lengths, with the potential to improve genetic analysis and gene expression studies.

Celebrex may be safe for preterm labor, preliminary study finds

A recent clinical trial testing celecoxib in pregnant women found that it appears to be a safer alternative for preventing preterm delivery, with fewer side effects compared to indomethacin. The study also suggests that celecoxib is just as effective in delaying delivery and may offer a new option for women at risk of preterm labor.

Mapping proteins

Researchers at Rensselaer Polytechnic Institute have developed a new approach to decoding the protein language by creating a 3-D image of each known protein and reducing it to a simpler 2-D representation, called a contact map. The data from the contact map is used to predict unknown proteins and novel protein formation.

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.

New education gap emerging in families

A new study found that families struggle to balance the expectations of the government's home learning initiative with their everyday family life. Parents are often overwhelmed by the need to educate their children, leading to a blurring of boundaries between home and school.

‘Futile’ cycle both fights diabetes and causes weight gain

TZDs trigger a 'futile' cycle where glycerol kinase stores fatty acids faster than fat cells release them, leading to increased insulin sensitivity. Researchers also found that TZDs alter chemical signals produced by fat cells, potentially benefiting future anti-diabetes drug development.

Circuit transfers four times more power out of shakes and rattle

Researchers developed a new circuit that harnesses vibrations to generate up to 50 milliwatts of power, surpassing the output of simple energy harvesting circuits. The adaptive piezoelectric energy harvesting circuit can be used in various applications, including wearable devices, sensor networks, and smart home security systems.

Genome of potential bioterror agent seqenced

The complete genome sequence of B. suis reveals fundamental similarities with Brucella melitensis, a related species that causes similar disease in goats and humans. The study sheds light on the molecular mechanisms enabling closely-related species to target different host animals.

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.

'Reversible data hiding' embeds data in pictures without distortion

Researchers have developed a new technique for embedding data in images without causing distortion. Authorized recipients can extract the embedded message while recovering the original image intact. This technology has significant applications in authenticating images, detecting changes, and encoding information about the image itself.

Maize's starch pathway found limited

The study found limited genetic diversity in maize's starch pathway, making it harder to increase yields. To address this, researchers suggest incorporating genes from teosinte or using transgenics as alternative methods for improving crop diversity and productivity.

Undersea data network planned for Monterey Bay

A new undersea data network, MARS, will be deployed in Monterey Bay to provide real-time monitoring of ocean conditions. The network will support a variety of research devices and supply power to instruments, enabling continuous and long-term data collection.

ADHD in a SNAP: The SNAP gene in attention deficit hyperactivity

A study found increased transmission of SNAP-25/DdeI variant in Irish ADHD trios, suggesting a genetic link between the SNAP gene and attention deficit hyperactivity disorder. Further research is needed to confirm these findings and explore the potential of SNAP gene variants as biomarkers for diagnosis and treatment.

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.

150-ton magnet pulls world toward new energy source

A 150-ton magnet in Japan is a testbed for the 925-ton magnet needed for ITER, which aims to demonstrate nuclear fusion as an energy source. The team has made progress in understanding the magnet's performance and reducing costs.

Synthetic molecular sieve binds water better than zeolites

Researchers at the University of Illinois have created a new class of materials that can bind water faster and more strongly than best drying agents, with a higher capacity for storing water. The material also exhibits shape selectivity, allowing only specific molecules to enter its structure.

The hours we work

Annualised hours contracts (AHCs) offer advantages for both companies and staff, including higher hourly wages, lower overtime, and stronger job security. AHCs are often implemented in volatile industries with complex shift systems, providing employees with flexibility over the working year.

D.C. surveillance system considered a model for early disease detection

The Electronic Surveillance System for Early Notification of Community-Based Epidemics (ESSENCE) tracks data from military medical facilities in the Washington, D.C. area to detect outbreaks and biological terrorism. The system balances timeliness with data quality to identify clusters of diseases.

NSF funds $10.2m maize gene sequencing push

The National Science Foundation (NSF) has funded a $10.2 million project to sequence the maize genome, which is estimated to be 20 times larger than Arabidopsis. The project aims to develop tools for large-scale sequencing and improve genome mapping techniques.

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.

NASA turns to universities for research in space-age materials

The NASA consortium aims to create self-repairing materials that mimic the properties of biological substances like bone and sea shells. Researchers will focus on creating innovative composites of organic and inorganic compounds to make airplanes and spacecraft lighter, stronger, and more reliable.

Illinois lands research center for advanced water purification

The University of Illinois at Urbana-Champaign is leading a global effort to develop revolutionary materials and systems for safely and economically purifying water. Researchers will focus on improving disinfection and desalination processes, removing trace contaminants, and eliminating foulants that clog filters.

Lowering cancer risk in postmenopausal women

A study of 34,708 postmenopausal women found that compliance with the Dietary Guidelines reduced overall cancer incidence by 5-15% across quintiles. Regular exercise and weight management also played a significant role in reducing breast, colon, and uterine cancer risk.

Researchers discover new risk factor for colon cancer

A study published in Science reveals a new risk factor for colon cancer, associated with the Bloom syndrome gene mutation. Researchers found that individuals carrying the mutated gene had nearly three times the risk of developing colon cancer compared to those without the mutation.

Celestron NexStar 8SE Computerized Telescope

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