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Science News Archive 2013


Page 55 of 352

We'll rise or fall on the quality of our soil

The productivity of many lands has been dramatically reduced due to soil erosion, salinity accumulation, and nutrient depletion. A sustainable approach to agriculture is needed to maintain soil fertility and address climate change and biodiversity loss.

Positive results for non surgical heart valve replacement

Researchers announced positive trial results for an artificial aortic heart valve that does not require open-heart surgery. The device showed high survival rates, low stroke risk, and significant improvements in patients' quality of life.

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.

Brain structure in post-traumatic stress disorder

Researchers found chronic PTSD patients have gray matter structural damage in the prefrontal lobe, occipital lobe, and parietal lobe. Improved PTSD symptoms are associated with reduced but not recovered gray matter structural damage.

Study looks at safety, effectiveness of generics for treating depression

Researchers at Washington University School of Medicine are studying the quality and effectiveness of generic drugs for treating depression. They aim to determine if generic versions of bupropion HCl ER tablets work as well as brand-name Wellbutrin XL in treating depression, with a focus on safety and potential side effects.

Embargoed news from Nov. 5, 2013 Annals of Internal Medicine tip sheet

A recent study published in Annals of Internal Medicine found that women who adhered to a Mediterranean-type diet in midlife had greater physical and mental function in old age. Researchers also developed a scoring system to identify low-risk patients for strep throat, which could potentially save hundreds of thousands of doctor visits...

Apple iPhone 17 Pro

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

Gravity and the robot satellite attitude problem

Researchers propose a new method for robots to capture malfunctioning satellites in space. By mimicking the way animals track and capture prey, the team developed a bio-inspired solution that reduces damage and minimizes disruption to the spacecraft. This technology aims to revolutionize space maintenance and rescue operations.

Snakes control blood flow to aid vision

Researchers discovered that snakes can optimize their vision by controlling blood flow in their eyes when perceiving threats. The coachwhip snake's visual blood flow patterns change depending on its environment, allowing for improved visual clarity in times of need.

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.

NASA video shows birth and death of Tropical Storm Sonia

Tropical Storm Sonia formed on Nov. 1 and made landfall in western Mexico by Nov. 4, with NASA capturing its brief life in a 36-second animation. The storm's maximum sustained winds reached 45 mph, but it weakened as it moved over rugged terrain.

Elusive bay cat caught on camera

Scientists from ZSL and Imperial College London capture images of five wild cat species, including the elusive bay cat, in a logged area of forest. The study reveals that large carnivores can survive in commercially logged forests, challenging conservation assumptions.

1 dose of HPV vaccine may be enough to prevent cervical cancer

A recent study published in Cancer Prevention Research found that women vaccinated with one dose of the human papillomavirus (HPV) vaccine had stable antibodies against HPV viruses in their blood for up to four years. The results challenge previous dogma on protein subunit vaccines requiring multiple doses for long-lived responses.

Race and romance online

A study of 126,134 users on OkCupid.com found that racial barriers to romance are not insurmountable online. While people tend to self-segregate by race, they are more likely to reciprocate a cross-race overture and initiate interracial contact in the future.

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.

New tool may unveil inhabitable worlds

SPIRou, a near-infrared spectropolarimeter and high-precision velocimeter, will detect habitable Earth twins orbiting nearby red dwarf stars and study the formation of Sun-like stars and their planets. The instrument's advanced technology will reveal the existence of liquid water on planetary surfaces.

The nitrogen puzzle in the oceans

A team of scientists has revealed the details of a microbial process regulating the global nitrogen budget in the oceans. They found that anammox, a process converting fixed nitrogen to N2, affects primary productivity and isocyan signature patterns in oxygen minimum zones.

Celestron NexStar 8SE Computerized Telescope

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

Fossil of largest known platypus discovered in Australia

A new, giant species of extinct platypus, Obdurodon tharalkooschild, has been discovered in Australia. The estimated length of the species is nearly a meter, twice that of the modern platypus. The fossil record suggests that platypuses became smaller and reduced their teeth through time.

Why tumor cells go on dangerous tours

Researchers at LMU identified ZNF281 as a critical factor in colon cancer metastasis, driving the transition from epithelial to mesenchymal cells. The protein's inhibition prevents metastasis in mice, suggesting a potential therapeutic strategy for colon cancer treatment.

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.

NJIT professor invents a flexible battery

Researchers at NJIT developed a flexible battery using carbon nanotubes that can be used to power flexible displays and devices. The battery's flexibility allows it to be used in various applications, including powering electric cars.

Fluke 87V Industrial Digital Multimeter

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

Riboswitches in action

Researchers at SISSA have identified a key mechanism by which riboswitches regulate gene expression in bacteria. By using computer simulations to model the dynamics of the process, they found that binding to a metabolite molecule stabilizes the active form of the riboswitch, triggering protein synthesis.

Solving the pediatric obesity problem in rural communities

A telemedicine program called HEALTH-COP improved health outcomes for children with obesity in rural California. Clinicians learned how to better assess patients' weight, provide nutrition and physical activity counseling, and implement strategies to change lifestyle behavior.

Computer model anticipates crime hot spots

A computer model developed by a University of California, Riverside sociologist and Indio police has predicted burglaries by census block group, leading to an 8% decline in thefts. The model uses crime data and truancy records to anticipate hot spots of crime, enabling targeted prevention activities.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Is clinicians' decision making affected by 'precious baby' phenomenon?

A study found that clinicians are more likely to recommend invasive prenatal tests like amniocentesis for mothers who conceived naturally, compared to those who used assisted reproductive technologies (ART). The 'precious baby' phenomenon may affect medical advice, with doctors being influenced by the method of conception.

Mutations linked to breast cancer treatment resistance

A study found that six patients with estrogen receptor-positive breast cancer developed mutations in the estrogen receptor after taking anti-estrogen therapies, leading to treatment resistance. The discovery sheds light on why patients become resistant to hormonal therapy and offers new insights into developing targeted treatments.

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.

NASA sees strengthening Tropical Storm Haiyan lashing Micronesia

Tropical Storm Haiyan is strengthening due to warm waters and low wind shear, expected to intensify to a powerful typhoon before landfall in the Philippines on Nov 8. The Joint Typhoon Warning Center forecasts Haiyan will have maximum sustained winds of near 45 knots/51.7 mph/83.3 kph.

A better way to track your every move

A new algorithm developed at Northwestern University can accurately track physical activity no matter where a patient carries their phone. The study's findings are crucial for improving the health of patients with Parkinson's disease, who may carry their phones in different locations throughout the day.

Ibuprofen no good in treating colds or sore throats

A University of Southampton study has found that ibuprofen provides no benefit for patients with respiratory tract infections, including colds and sore throats. The research also showed that steam inhalation has no clear symptom-relieving effect, while ibuprofen may actually contribute to the progression of illness in some individuals.

Designer piercings: New membrane pores with DNA nanotechnology

Researchers at University College London have developed a new method for building membrane-crossing pores using Lego-like DNA building blocks. This approach provides a simple and low-cost tool for synthetic biology and has potential applications in diagnostic devices and drug discovery. The technique uses two large anchors to embed the...

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.

Physician shortage could be cut by new primary care models, study finds

A RAND Corporation study suggests that expanding patient-centered medical homes and nurse-managed health centers can help eliminate up to 50% of the expected primary care physician shortage by 2025. These new models rely on a mix of medical providers, including nurse practitioners and physician assistants.

Diamond imperfections pave the way to technology gold

Researchers have recorded unprecedented observations of energy moving through diamond impurities, providing a starting point for new insights into critical electronic-state phenomena. The findings hold broad implications for magnetometry, quantum information, and sensing applications.

Next-generation global e-infrastructure for taxon names registry

The latest issue of ZooKeys has been automatically registered in ZooBank, marking the successful deployment of an automated registration-to-publication pipeline for taxonomic names. This innovation is part of a joint EU and US National Science Foundation project to develop the Global Names Architecture.

Wives matter more when it comes to calming down marital conflicts

A study by UC Berkeley researchers found that wives' ability to calm down during disputes is linked to higher marital satisfaction. Constructive communication by wives helps couples resolve conflicts, while husbands' quick problem-solving mode often leads to disagreements.

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.

Neurophotonics journal will launch in 2014

The new journal will cover a range of topics including microscopic methods, optogenetics, and computational methods relevant to understanding brain function. It aims to foster greater awareness and interaction among the photonics, neuroscience, and clinical communities.

New chemistry: Drawing and writing in liquid with light

University of Helsinki researchers have developed photochemically active polymers that can switch from a trans conformation to a cis conformation using light. This phenomenon allows for the creation of complex patterns and designs in liquids, opening up new possibilities for materials science and optics.

UCSF researchers offer solutions to looming health-care provider shortage

Researchers at UCSF advocate empowering all team members to care for a large number of patients based on their training and abilities. They recommend expanding the scope of practice for registered nurses, pharmacists, physical therapists, and medical assistants to provide care for uncomplicated medical problems.

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.

Researchers unmask centuries-old elephant imposter

A 300-year-old Asian elephant specimen has been reclassified as an African elephant due to genetic and physical evidence. The discovery confirms that the specimen, named Hansken, was likely from West Central Africa and challenges traditional understanding of the species' classification.

Global change: Stowaways threaten fisheries in the Arctic

A new study predicts a sixfold increase in the number of potential invaders in Arctic waters by 2100 due to warmer climate and increased shipping. The researchers expect an increasing pressure on marine ecosystems, threatening traditional fisheries in Norway and Greenland.

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.

Do you want the good news or the bad news first?

UC Riverside researchers found that recipients prefer to hear bad news first, while news-givers prefer good news. However, the timing of good news can impact behavior change, with a good-bad-good delivery strategy potentially undermining its effectiveness. The study suggests a good-then-bad news order may be more beneficial for recipie...