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Science News Archive 2005


Page 155 of 165

What does an airline traveler have in common with a glowing fish?

Researchers have created a new tool to investigate the components of the circadian clock in vertebrates using transgenic zebrafish that luminesce in sync with their periodicity. The study reveals that aspects of circadian rhythms develop in specific stages, rather than being hardwired into the embryo.

Gene with broad role also causes prevalent, inherited nerve disorder

Researchers at Duke University Medical Center have identified a gene defect that causes Charcot-Marie-Tooth disease, a prevalent and inherited nerve disorder. The discovery provides new insights into the nervous system and may lead to the development of targeted therapies for this debilitating disease.

Apple iPhone 17 Pro

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

Scientists close in on 'superbrakes' for cars

Researchers create a new mathematical model that explains the relationship between friction and motion, suggesting that traditional braking methods may not be the most effective. The findings could lead to improved road safety by optimizing brake performance.

Physicists discover temperature key to avalanche movement

Researchers have devised a thermometer that can measure granular temperature based on the degree of agitation of its component particles. The discovery could lead to better understanding of powders and particulate materials in industries such as pharmaceuticals, food processing, and construction.

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.

New insight into regulation of blood stem cells

A new study found that the transcription factor c-Myb regulates hematopoiesis at multiple points, controlling HSC self-renewal and proliferation. This breakthrough has significant implications for developing compounds to regulate stem cell fate decisions, a potential game-changer for stem cell therapy.

Wine drinkers live longer than beer guzzlers

Substances in wine have been shown to share the characteristics of ethanol, preventing blood clotting and providing cardio-protective effects. Additionally, wine has been found to reduce mortality from cancer compared to other alcoholic beverages, thanks to its antioxidant properties.

Oiled birds prompt study by UCSB experts

Scientists at UCSB study the relationship between recent severe storms and increased oil emissions from the Coal Oil Point seep field. Researchers estimate current oil emissions are many times pre-storm levels, with new areas of seepage appearing and gas driving the flow.

Northern women: Tough enough

A study of 25 northern British Columbia women reveals three key coping mechanisms: becoming hardy, making the best of the North and supplementing it. These strategies involve self-reliance, spiritual beliefs, outdoor activities and social support networks.

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.

Nanoscale diagnostic sets sights on Alzheimer's

A new nanoscale diagnostic technique has been developed to detect possible traces of Alzheimer's disease in cerebrospinal fluid. The procedure uses magnetic and DNA particles to identify biomarkers, which could lead to early diagnosis and effective treatment if proven successful.

Problems in the bedroom can indicate heart problems

Research suggests that erectile dysfunction (ED) is a significant public health concern associated with cardiovascular medicine. Early recognition of ED in high-risk populations can lead to early diagnosis of cardiovascular risk factors and subclinical vascular disease.

Scientists propose sweeping changes to naming of bird neurosystems

Researchers propose a new naming system for bird neurosystems, revealing similarities to mammalian brains. The revised nomenclature reflects recent discoveries in neural processing and behavior, highlighting the cognitive abilities of birds comparable to those of mammals.

Progesterone therapy could prevent thousands of preterm births

Researchers estimate that progesterone therapy could reduce the rate of recurrent preterm birth in the US by about 2%, preventing around 10,000 premature births annually. The study's findings are based on a clinical trial showing a significant reduction in preterm birth risk among women with a history of spontaneous preterm birth.

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.

New non-hormonal hot flash treatment set for clinical trial

Researchers at the University at Buffalo are conducting a 12-week study to evaluate the effectiveness of an amino acid supplement in reducing hot flashes in postmenopausal women. The trial will compare the active treatment with a placebo, and results may offer an alternative to hormone replacement therapy.

Optical tweezers prove Einstein right

Researchers have successfully measured the back-flow effect in Brownian motion, a phenomenon Einstein predicted but overlooked 100 years ago. The discovery uses optical tweezers technology to detect this effect, confirming a key aspect of Brownian motion theory.

Please, do disturb

Researchers found that chaos and noise are essential for maintaining marine ecosystems, allowing plankton blooms to flourish even in suboptimal conditions. By adding noise to a system, it can become synchronized and sustained, contrary to previous assumptions.

Meta Quest 3 512GB

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

Scientists reveal cells' 'energy factories' linked to cancer

Researchers found that excessive build-up of succinic acid in mitochondria triggers a sequence of events leading to tumour growth. The study increases understanding of molecular basis of several types of cancer, crucial for developing new prevention, diagnosis and treatment methods.

Middle ear infections: Prescribe antibiotics or not?

A randomized controlled trial found that amoxicillin was more effective than placebo in treating middle ear infections in children, but showed no significant difference in adverse events or recurrence rates. The study suggests that antibiotics may be a useful treatment option for this common childhood illness.

Wisconsin scientists grow critical nerve cells

Researchers have successfully grown functional motor neurons from human embryonic stem cells in a lab, providing a critical breakthrough for treating diseases like ALS. The discovery challenges the long-held assumption that stem cell differentiation occurs in linear fashion.

More Britons live alone

A study of over 150,000 individuals in England and Wales found that the percentage of those living alone increased by 31% between 1971 and 2023, with men more prone to going solo after age 25. The trend is expected to continue, with younger generations increasingly choosing individual living.

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.

Recognizing new aneurysm syndrome can save lives

Researchers at Johns Hopkins Medicine have discovered a new syndrome characterized by wide-set eyes, cleft palate, or split uvula, and aggressive swelling of the aorta. Early diagnosis and treatment can prevent aortic rupture and save lives, with surgery often successful if performed promptly.

RFID chips in car keys and gas pump pay tags carry security risks

Researchers from Johns Hopkins University found that RFID microchips in car keys and wireless payment tags may be vulnerable to encryption cracking, allowing thieves to bypass auto theft prevention systems and charge unauthorized purchases. The study recommends implementing free metallic sheaths to cover devices when not in use.

Monkey 'pay-per-view' study could aid understanding of autism

A monkey study provides a controlled laboratory setting to explore how monkeys make social judgments, including dominance rankings and reproductive success. The findings suggest that the brain processes social information in a way similar to humans, with implications for understanding autism.

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.

How many comparative genomes are enough?

A new mathematical model suggests that more genome comparisons are necessary to detect conserved DNA regions, especially for longer stretches. The model estimates that around 50-120 genomes are needed to reduce error rates from 1 in 100 to 1 in 10,000.

Preschoolers not getting enough fiber

A study published in the Journal of the American Dietetic Association found that preschoolers who consumed more fiber had more nutrient-rich diets. Experts suggest increasing fiber consumption through whole-grain products and high-fiber cereals to support healthy growth and development.

Man and mouse share genome structures

Researchers analyzed chromatin structure in human chromosomes and found similar patterns in equivalent regions of the mouse genome, revealing new insights into regulatory functions and potential connections to cancer. This study advances our understanding of how genes are turned on and off, with implications for improving human health.

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.

Superfluid helium-4 whistles just the right tune

Physicists at UC Berkeley have successfully produced a quantum whistle in superfluid helium-4 using an array of tiny holes. The whistle is achieved at a temperature of 2 Kelvin, making the sensors user-friendly for scientists unfamiliar with cryogenic technology.

International science team measures Arctic's atmosphere

A team of international scientists is measuring the Arctic atmosphere to validate NASA's Aura satellite data. The focus is on understanding ozone depletion in this sensitive region, which can have severe effects on humans and ecosystems.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Article highlights confusion about Homeland Security safety symbols

A North Carolina State University study found that up to 79% of DHS safety symbols are unacceptable for communicating hazard-related information. The researchers recommend using human factors solutions such as testing, iterative comprehension testing, and public awareness campaigns to improve the effectiveness of these symbols.

Association of herpesvirus with lung disorder questioned

A recent study contradicts previous research by failing to detect human herpesvirus 8 in lung tissue samples from Japanese patients with primary pulmonary hypertension. The study suggests that the virus may not be associated with this condition in Japan, unlike in US patients where it was previously linked.

Scientists studying wintry ice in summer clouds

Researchers from NASA's Langley Research Center and Goddard Space Flight Center studied tropical convective clouds in Florida to classify ice crystals, which can help predict next winter's snowstorm. They hope to contribute to improving weather and climate models by accounting for clouds' role in atmospheric conditions.

Lottery funding to aid research into superbugs

Researchers will investigate the spread of 'superbugs' and develop more effective antimicrobial agents and vaccine strategies to treat lung infections. The goal is to determine when segregation of CF patients is necessary, reducing social strain on families and individuals.

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.

Molecular biology fills gaps in knowledge of bat evolution

A research team has published a paper in Science magazine that uses molecular biology to illuminate the evolutionary history of bats. The study reveals that large fruit-eating bats (megabats) emerged from four major lineages of smaller, night-flying bats (microbats), with the latter originating around 52-50 million years ago.

Genetic regions influencing male sexual orientation identified

Researchers found stretches of DNA on chromosomes 7, 8 and 10 that were shared in 60% of gay brothers, suggesting a complex trait influenced by multiple genes and environmental factors. The study analyzed the genomes of 456 men from 146 families with two or more gay brothers.

Study shows that diabetes increases risk of blood poisoning

Researchers found that diabetic patients are more likely to develop bacteremia caused by urinary tract infections, leading to a higher risk of death. The study suggests that diabetics should seek medical care promptly if they experience signs and symptoms of urinary tract infection or bacteremia/sepsis.

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.

Animal study shows link between nicotine and atrial flutter

Researchers found that nicotine caused a significant increase in atrial interstitial fibrosis and electrical remodeling in hearts with myocardial infarction, leading to atrial flutter. The study suggests a causal link between nicotine and atrial flutter, potentially informing new therapeutic strategies.

Startling results from new biomedical research international conference

The conference will address patent regulations for genetically engineered organisms, regulatory challenges for new drugs developed through genetic investigations or stem-cell research, and public acceptance of these products. Experts with international reputations will discuss future pathways of innovation in the life sciences.

New puzzle-piece shows how growth hormones work in plants

Researchers discovered a key protein, BZR1, that regulates plant growth by binding to a specific DNA sequence and stopping the production of an enzyme needed for BR synthesis. This feedback loop helps maintain optimal steroid levels for plant growth.

Cooling lessens brain damage in sick newborn babies

Researchers have found that cooling can significantly reduce brain damage in newborn babies who suffer from oxygen deprivation at birth. The treatment involves lowering the body temperature of the baby for 72 hours after birth using a water-filled cap. This breakthrough discovery has the potential to bring routine treatment to babies s...

Fluke 87V Industrial Digital Multimeter

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

Coal cleaning technology to be used to recover coal from waste

A partnership between The Beard Company and Pinnacle Mining Company will utilize patented Microcel TM technology to recover clean coal from fine coal impoundments, providing a new energy resource. The project is expected to produce 240,000 tons of clean coal per year.

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.

A new mechanism of regulating RNA degradation

Lynne E. Maquat and her team identified a novel pathway for regulating RNA degradation, called Staufen1-mediated degradation (SMD). This mechanism affects numerous transcripts and is a new form of gene regulation. SMD activity may be regulated by cell signaling pathways.