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Science News Archive 2013


Page 120 of 352

Blind mole-rats are resistant to chemically induced cancers

A new study reveals blind mole-rats are highly resistant to carcinogens and have anti-cancer activity in fibroblast cell culture, unlike lab mice and rats. The findings suggest that hypoxia tolerance, longevity, and cancer resistance are tied together through evolutionary adaptations.

Breakthrough model holds promise for treating Graves' disease

Researchers developed an animal model simulating eye complications associated with Graves' disease, paving the way for better treatments. The condition causes the thyroid gland to become overactive and produce too much thyroid hormone, leading to eye problems like swelling of tissue behind the eyes causing them to bulge outward.

Apple iPhone 17 Pro

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

Infections cause lower proportion of lead extractions than expected

A recent study published in ESC Congress 2013 found that lead extractions are primarily driven by mechanical issues rather than infections. The European Lead Extraction ConTRolled (ELECTRa) Registry, which analyzed over 1,200 patients, showed that 52% of lead extractions were due to non-infectious causes, such as lead malfunctions.

Brain study uncovers vital clue in bid to beat epilepsy

Researchers identify role of BDNF in controlling brain activity during seizures, potentially leading to new anti-epileptic therapies with fewer side effects. The discovery could help patients who do not respond to current treatments.

Low BMI is a risk factor for CVD in hypertensive patients with diabetes

Research presented at the ESC Congress found that low body mass index (BMI) is associated with worse cardiovascular outcomes in patients with hypertension and glucose intolerance. Patients with lower BMI had a higher risk of cardiovascular events compared to those with middle or higher BMI, according to the study.

Fear of holes may stem from evolutionary survival response

Researchers suggest that trypophobia may stem from a specific visual feature common to poisonous animals, including high contrast energy at midrange spatial frequencies. Studies exploring the phenomenon are underway to shed light on its ingrained nature in everyday objects.

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.

Clay key to high-temperature supercapacitors

Researchers at Rice University have created a supercapacitor that operates reliably at temperatures of up to 200 degrees Celsius, overcoming key limitations of conventional energy storage devices. The device uses a clay-based membrane electrolyte, which provides high thermal stability and conductivity.

Promiscuity and sperm selection improves genetic quality in birds

New research shows that female birds maximize offspring health by mating with multiple males, increasing disease resistance through 'cryptic female choice'. This internal mechanism favors sperm from genetically different males, boosting MHC diversity and enhancing disease resilience.

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 finds poor blacks likely to get worse nursing home care

A study found that nursing homes serving predominantly black residents tend to struggle financially and provide lower quality care, with black residents relying on Medicaid for reimbursement. The researchers suggest addressing the issue through financial incentives and restructuring Medicaid to provide better reimbursement rates.

Association between hormone replacement therapy use and breast cancer risk varies

A new study found that hormone replacement therapy (HRT) use is associated with an increased risk of breast cancer among postmenopausal women, but the relationship varies depending on factors such as race/ethnicity, body mass index (BMI), and breast density. The study suggests that HRT may be used for some women without increasing thei...

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.

Atom-based analogues to electronic devices

Scientists have developed an atom-based analogue for electronic devices using ultra-cold bosonic atoms and quantum dots. The transport of single particles through the chain of quantum dots enables current production in systems with reduced dimensionality.

Life without insulin is possible

Scientists identified mechanisms necessary to live without insulin, a breakthrough that could lead to alternative treatments against diabetes. Researchers found leptin regulates glucose levels and reduces the risk of hypoglycemia, offering hope for patients.

From birth to death in 4 days: Kiko now a remnant low

Tropical Storm Kiko formed on Sept. 1 and intensified quickly, with maximum sustained winds reaching near 70 mph. However, cooler waters and wind shear weakened the storm, leading to its dissipation by Sept. 4. Meanwhile, another low-pressure system is forming near Mexico's southwestern coast.

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.

Aging really is 'in your head'

Researchers have identified a mechanism by which Sirt1 promotes neural activity in the brain, leading to significant delays in aging and increases in longevity. The study found that mice with increased Sirt1 expression in their brains exhibited dramatic physical changes, including improved muscle structure and vigor.

First estimate of total viruses in mammals

Scientists estimate a minimum of 320,000 viruses in mammals, which could provide critical information for early detection and mitigation of disease outbreaks. This undertaking would cost approximately $6.3 billion, but limiting discovery to 85% of total viral diversity could bring the cost down to $1.4 billion.

Creating a 'window' to the brain

UC Riverside researchers have created a novel transparent skull implant made of yttria-stabilized zirconia, allowing doctors to aim laser-based treatments without repeated craniectomies. This technology has strong potential for positive impact on patients with life-threatening neurological disorders.

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.

Revolving images and multi-image keys open new horizons in descriptive taxonomy

A new study revolutionizes species identification in taxonomy by introducing a modern revision of millipedes using innovative illustration techniques. The 'revolving SEM images' technology allows for a more detailed understanding of complex morphological features, enabling taxonomists to recognize subtle differences between species.

Stress-related protein speeds progression of Alzheimer's disease

A University of South Florida-led study suggests that the stress-related protein FKBP51 contributes to the acceleration of Alzheimer's disease. The research found that FKBP51 levels increase with age and partner with Hsp90 to make tau more toxic, leading to brain cell death.

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.

Stressful life events significantly raise the risk of falls in older men

A recent study published in the journal Age and Ageing found that stressful life events significantly raise the risk of falls in older men. The research, conducted on 5,994 community-dwelling men over 65, showed that men who experienced serious financial problems or the death of a loved one were more likely to fall.

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 soot forced the end of the Little Ice Age in 1860s Europe

Researchers found that coal soot reduced Alpine glacier ice by shrinking them, despite cooler temperatures. European glaciers retreated an average of nearly 1 kilometer between 1860 and 1930 due to industrialization, contradicting previous natural climate shift assumptions.

Scientists discover new bat species in West Africa

Researchers from the University of York and Czech institutions discovered five new species of Vesper bats in Senegal, showcasing unexpected genetic diversity. The discovery confirms that West Africa may represent a bio-geographic hotspot with many more species to discover.

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.

Peritoneal dialysis as an intervention for stroke patients

Peritoneal dialysis has been shown to reduce glutamate levels in the blood following a stroke event, potentially preserving brain tissue and function. In a rat model of ischemic stroke, peritoneal dialysis reduced tissue damage in the brain.

Scientists fish for new epilepsy model and reel in potential drug

A new study suggests that zebrafish carrying a Scn1a mutation can serve as a model for Dravet syndrome, allowing researchers to quickly identify potential treatments. The study found that clemizole, an FDA-approved drug, was effective in inhibiting seizure activity in the mutant fish.

Multi-drug pills help people stick to heart disease prevention regimens

A new study found that combining multiple medications into one pill improves medication adherence and reduces blood pressure and cholesterol levels. The study involved 2,004 participants in the UK, Ireland, Netherlands, and India, with polypill users taking medications regularly by a third more than usual care.

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.

Journal of Spinal Cord Medicine publishes Sept. conference issue

The Journal of Spinal Cord Medicine has published a new issue focusing on the latest research and treatment developments in spinal cord injury. The issue includes articles on various topics such as botulinum toxin use, urology, neuroscience, rehabilitation psychology, and more.

Hormone may help fight obesity and reduce cholesterol

A variant of FGF21, LY2405319, has been shown to improve metabolism in obese humans with type 2 diabetes by reducing LDL cholesterol and triglycerides while increasing HDL cholesterol levels. The hormone also reduced body weight and fasting insulin, and increased adiponectin.

Celestron NexStar 8SE Computerized Telescope

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

Fish embryos possess a mechanism for protection against chemicals

Researchers at Helmholtz Centre for Environmental Research discovered a protein called Abcb4 in zebrafish embryos that transports and expels toxic chemicals, protecting the embryo. However, certain environmental chemicals render this protective mechanism ineffective, making fish embryos more sensitive to toxic substances.

TAVI is safe alternative to redo cardiac surgery

A study comparing TAVI and redo cardiac surgery in high-risk patients found comparable long-term survival rates. The TAVI procedure was shown to be a minimally invasive alternative to traditional surgery, suitable for elderly or high-risk patients with failed bioprostheses.

Primate calls, like human speech, can help infants form categories

Researchers found that non-human primate vocalizations promoted object categorization in 3- and 4-month-old infants, similar to the effects of human speech. By six months, however, this effect disappeared, suggesting a specific link to human language has been established.

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.

Long-held assumption about emergence of new species questioned

A University of Michigan biologist and colleague challenge the notion that genetic reproductive barriers are a driving force behind speciation. Their study found no evidence that genetic barriers to reproduction predict the rate at which new species form in nature.

The true raw material footprint of nations

A new Australian study uses a novel modelling tool to calculate the 'material footprint' of 186 countries over two decades, revealing that pressures on raw materials do not decline with economic growth. The results confirm that decoupling of natural resources from economic growth has been exaggerated.

Research identifies how mouth cells resist Candida infection

Scientists have discovered a molecular signalling pathway that helps oral epithelial cells resist Candida infection. The PI3 Kinase pathway is activated within minutes of fungal encounter, protecting against future damage. Boosting this pathway may lead to novel therapies against Candida infections.

Pacemaker for slow heart rhythm restores life expectancy

A nationwide study found that pacemaker patients without cardiovascular disease have a survival rate comparable to the general population. The study's results provide a new reference point for the prognosis of modern pacemaker patients, suggesting that cardiovascular disease is a primary factor in determining life expectancy.

Fluke 87V Industrial Digital Multimeter

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

Salamanders under threat from deadly skin-eating fungus

A new species of fungus has ravaged fire salamander populations in the Netherlands, killing over 90% of the original population. The fungus, Batrachochytrium salamandrivorans, can rapidly kill fire salamanders and is thought to have originated from elsewhere in the world.

A fly's hearing

Researchers at the University of Iowa used fruit flies to study hearing loss caused by loud noise. The study found that the molecular underpinnings of hearing loss in fruit flies are similar to those in humans.

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.

Level playing field for Clostridium difficile diagnosis

A UK-based study of over 12,000 faecal samples found that the cytotoxin assay is the most reliable indicator of true C-Diff infection. This discovery highlights the importance of using accurate diagnostic tests to prevent deaths and hospital transmissions caused by C-Diff.