Bluesky Facebook Reddit Email

Science News Archive January 2010


Page 4 of 20

UCF professor's vaccine could be lethal weapon against malaria, cholera

A University of Central Florida researcher has created a low-cost vaccine against two deadly diseases, malaria and cholera, offering long-lasting immunity to mice. The breakthrough uses genetically engineered plants to produce the vaccine, which could be produced in large quantities at a fraction of the cost of traditional methods.

Is the Hobbit's brain unfeasibly small?

Researchers reconstruct primate brain evolution to clarify the Hobbit's brain size, suggesting a strong selective advantage for increased brainpower. The study supports the hypothesis that the Hobbit's small brain was adapted to local ecological conditions on Flores.

Transplant tourism poses ethical dilemma for US doctors

A recent study examines the ethics of transplant tourism, where patients travel to countries like China and India for transplantation. US medical societies have crafted guidelines to advise clinicians on caring for transplant tourists, who may face sub-standard care and post-transplant infections.

Apple iPhone 17 Pro

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

Blood protein offers help against anemia

A new study shows that transferrin, a blood protein, can alleviate anemia and prevent fatal iron overload in humans. The research, conducted at Albert Einstein College of Medicine, suggests that treatment with transferrin could benefit people with thalassemia and other types of anemia.

Wide variation in calorie content among 'low calorie' pet foods

A study by Tufts University found significant variation in calorie density among 'low-calorie' pet foods, ranging from 217 to 440 kcal/cup. This can lead to confusion among pet owners and may result in pets not losing weight or even gaining weight if owners follow the recommended feeding directions.

A Venus flytrap for nuclear waste

Researchers at Northwestern University have developed a new material that permanently traps only the desired radioactive ion, cesium, from a sodium-heavy solution. The synthetic material, made from layers of a gallium, sulfur and antimony compound, sequesters 100% of the cesium ions while ignoring all the sodium ions.

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.

Antibiotics might team up to fight deadly staph infections

Researchers found that lankacidin and lankamycin, two antibiotics produced by streptomyces, are more effective when used together against MRSA and other pathogens. The combination prevents protein assembly and inhibits bacterial growth, offering a new strategy for fighting antibiotic-resistant infections.

Music in speech equals empathy in heart?

A new study finds that people who use more empathetic language also have increased activity in brain regions responsible for producing and understanding intonation. This suggests a link between emotional intelligence and the ability to perceive prosody, or the 'music' of speech.

New formula helps gauge the winds of change

Researchers have developed a new formula to analyze changes in complex systems, enabling detailed maps of their evolution. This tool can be applied to various fields, including neuroscience, air traffic control, and public health.

Landmark heart treatment study

A landmark study published in JAMA found that catheter ablation significantly improves quality of life and reduces symptoms of atrial fibrillation compared to drug therapy. The treatment, which destroys abnormal heart tissue, resulted in a 66% success rate for patients with no recurrent irregular heartbeats or symptoms.

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.

Grant to study how cells sense electric fields

The National Science Foundation grant will help scientists study the response of amoebae to electric fields, which could reveal genes and molecules responsible for detecting these signals. This knowledge could have implications for wound healing and tissue engineering, as well as basic science research.

Sniffing out lung cancer at early stages

Researchers have discovered that lung cancer tumors alter the odor of bodily fluids, allowing for early detection through trained animal sensors and chemical analysis. The findings hold promise for improving diagnostic and prognostic approaches to lung cancer treatment.

Beyond sunglasses and baseball caps

A new study found that UV-blocking contact lenses can reduce or eliminate the effects of the sun's harmful UV radiation. The lenses, such as Senofilcon A, provide an additional layer of protection against UV-induced damage to the cornea and lens, including cataracts.

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.

Top-rated hospitals don't always have superior outcomes

Researchers found that hospital volume accounts for as much as 79% of observed differences in hospital quality, making high-volume hospitals a better choice for patients. Despite being marketed as superior, top-rated hospitals do not consistently deliver better outcomes than lower-rated but higher-volume facilities.

End-of-life care strategies examined in Pennsylvania prisons

Researchers examine delivery of end-of-life care in Pennsylvania prisons, developing intervention toolkit and educational strategies to address racial/ethnic disparities and optimize patient care. The study aims to provide insights into delivering high-quality healthcare in complex organizations.

Treating depression by stimulating the pleasure center

A study found that deep brain stimulation (DBS) of the nucleus accumbens improved symptoms of depression and anxiety in patients with severe treatment-resistant depression. The procedure showed promising results with minimal side effects.

Researchers eyeing new way to measure elusive zinc

A team of Florida State University researchers has developed a way to measure the levels of zinc ions in biological samples using fluorescence microscopy. This technique could lead to better understanding of zinc's role in various physiological processes, including cell division, DNA synthesis, and immune function.

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.

Preoperative CT useful for younger women with suspected appendicitis

A study found that preoperative computed tomography (CT) use among women of reproductive age coincided with a significant decrease in negative appendectomies. The increased utilization of CT and advances in technology led to improved diagnosis and reduced false-positive diagnoses, resulting in lower unnecessary surgeries.

Marine lab hunts subtle clues to environmental threats to blue crabs

A research team from the National Institute of Standards and Technology (NIST) has developed a new method to detect subtle clues to environmental threats affecting blue crabs. By analyzing metabolite levels in blue crab hemolymph using nuclear magnetic resonance (NMR) spectroscopy, they found biomarkers that can identify specific sourc...

Last Neanderthals died out 37,000 years ago

New evidence constrains the age of last Neanderthals in southern and western Iberia to 37,000 years ago. This finding counters previous speculations and has significant implications for understanding archaic features found in fossils.

Green plant transport mystery solved

A new study from UC Davis reveals that Hsp70 proteins indeed chaperone chloroplast proteins across membranes, challenging prevailing wisdom. The research demonstrates the conservation of transport machineries across cellular bodies through evolution.

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.

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.

Lost Roman law code discovered in London

Researchers at University College London have uncovered a previously lost Roman law code, the Codex Gregorianus, which dates back to AD 300. The fragments contain responses by emperors to public questions on legal matters, offering new insights into ancient Roman law and its enduring legacy.

Environmental change impacts Oklahoma rivers

Biodiversity in Oklahoma's rivers is declining due to environmental changes like water pollution, habitat destruction, and climate change. Freshwater mussels play a crucial role in biofiltration and ecosystem services, highlighting the need for sustainable water management.

Mother's milk: What determines breastfeeding rates in the UK?

A UK study found that ethnicity and previous births significantly impact breastfeeding duration. The research identified that White mothers were more likely to stop breastfeeding compared to non-White mothers, highlighting the need for tailored support programs.

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.

Possible new heritable marker for retinoblastoma

Researchers found reduced p16INK4a RNA expression and demethylation of the gene in 55% of patients, suggesting a novel susceptibility marker. Low to moderate 16INK4A protein expression was also detected in 45% of retinoblastoma tumor specimens.

Common antidepressant drugs linked to lactation difficulties in moms

A new study links commonly used antidepressants to delayed lactation in postpartum women. The medication's impact on serotonin regulation in the breast may contribute to this issue. Researchers call for more human research before making specific recommendations regarding SSRI use during breastfeeding.

To restore vision, implant preps and seeds a damaged eye

Researchers have developed a micro-implant that clears scar tissue and delivers progenitor cells to the eye, increasing cell survival by 9-fold. The implant's scaffolding uses electrospinning to produce biodegradable fibers with pockets containing enzymes that degrade local scar tissue.

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.

Overcoming taxane resistance in cancer

A proteomics study reveals prohibitin1 as a protein involved in taxane resistance, which could be targeted with drugs to make cancers more susceptible to chemotherapy. Suppressing prohibitin1 may also serve as a biomarker for predicting patient response to chemotherapy.

Scientists return to Haiti to assess possibility of another major quake

A team funded by the National Science Foundation is returning to Haiti to investigate the cause of a January magnitude 7 earthquake. The geologists will collect crucial data to assess whether the quake could trigger another major event, and provide important insights into the cause of the disaster.

UF researchers continue 'extraordinary measures' to tackle Pompe disease

University of Florida researchers are developing a gene therapy to treat Pompe disease, which causes severe muscle weakness and breathing difficulties. The treatment involves delivering a corrective gene directly to the diaphragm using an adeno-associated virus, with clinical trials expected to begin soon.

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.

How to shoot the messenger

Researchers from EMBL have discovered the molecular structure of a key protein involved in cellular communication systems that are affected in neurodegeneration, cancer and cardiovascular disease. The study provides insights into how this protein functions and how it can be targeted with drugs to develop new treatments.

Meta Quest 3 512GB

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

Engineered metamaterials enable remarkably small antennas

Researchers have designed and tested experimental antennas that are highly efficient and remarkably small, potentially useful for emergency communications devices, micro-sensors, and portable ground-penetrating radars. The novel antennas radiate up to 95% of an input radio signal while defying normal design parameters.

Proper vaccine refrigeration vital to putting disease on ice

Researchers at NIST found that standard-sized refrigerators without freezers outperform smaller, dormitory-style refrigerators in storing vaccines. The study identified several best practices for vaccine storage, including keeping vaccines away from the door shelves and walls to prevent temperature drifts.

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.

Rejuvenating the old immune system

Aged mice treated with a macrophage-specific growth factor exhibit enhanced resistance to bacterial infection, indicating potential therapeutic strategies for healthy aging. The study's findings provide insight into the underlying immune dysfunction contributing to age-related increased susceptibility to infections.

Study links reduced fertility to flame retardant exposure

A new study by University of California, Berkeley researchers found that women with higher blood levels of PBDEs took longer to become pregnant compared to those with lower levels. The study linked each 10-fold increase in PBDE concentration to a 30% decrease in the odds of becoming pregnant.

Study prompts calls for Europe-wide salt legislation

A new study published in the New England Journal of Medicine suggests that reducing daily salt intake can prevent up to 120,000 fewer cases of heart disease, strokes, and heart attacks. The European Society of Cardiology calls for EU-wide legislation to restrict salt content in processed foods.

Studies shed new light on early transmembrane signaling

Researchers at the University of Washington analyze PLC signal transmission process using fluorescence technology, extending kinetic model to cover entire signaling cascade. The studies reveal steps linking changes in PtdIns(4,5)P2 to potassium channel activity regulation.

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.

Why humans outlive apes

A study published in PNAS suggests that humans' unique genetic adaptation to meat-rich diets has increased lifespan but also made us more susceptible to diseases of aging such as cancer, heart disease, and dementia. ApoE4 carriers have higher rates of early onset coronary heart disease and Alzheimer's disease.

Physical activity associated with healthier aging

Physical activity has been associated with a reduced risk of age-related conditions such as arthritis, falls, and fractures, as well as improvements in cognitive function and bone density. Four new studies published in Archives of Internal Medicine have moved the scientific enterprise further along the path toward understanding the ful...

New class of brain-protecting drugs emerging

Researchers at Emory University School of Medicine have identified a novel compound, 7,8-dihydroxyflavone, that mimics the brain's growth factor and protects against neurological disease damage. The flavonoid compound shows potential as a new class of brain-protecting drugs with low chronic toxicity.