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Science News Archive 2012


Page 196 of 333

Robotic-assisted prostate cancer surgery drives up costs, UPMC study finds

A recent study published in the journal Urology found that robotic-assisted laparoscopic radical prostatectomy (RARP) is significantly more costly than traditional open surgery. The study, conducted at the University of Pittsburgh Medical Center (UPMC), analyzed data from 473 consecutive patients treated between 2009 and 2010. Research...

Stem-cell-growing surface enables bone repair

Scientists have developed a synthetic surface that allows adult-derived stem cells to thrive and transform into multiple cell types, including bone cells. Transplanting these bone cells into mice resulted in four times more new bone growth compared to without the extra bone cells.

British experts update addiction treatment guidelines

The British Association for Psychopharmacology has released updated guidelines for treating substance abuse and addiction, focusing on pharmacological management. The new guidelines provide a comprehensive review of evidence-based practices for practitioners to optimize clinical decisions.

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.

Tiny implanted coil improves lung function in patients with severe emphysema

A multicenter trial found that a tiny implanted coil called the Lung Volume Reduction Coil (LVRC) significantly improves pulmonary function, exercise capacity, and quality of life in patients with severe heterogeneous emphysema. The treatment is considered safe and effective, particularly for those with severely hyperinflated lungs.

NASA sees Tropical Storm Sanvu continue to intensify

Tropical Storm Sanvu continues to intensify under NASA observation, with wind speeds reaching over 60 knots and heavy rainfall wrapping around its northeastern side. The storm's center is predicted to form an eye, energizing the core of the storm with powerful thunderstorms.

Lying in wait for WIMPs

The Large Underground Xenon (LUX) detector is a trap set for dark-matter WIMPs, with a titanium bottle holding 350 kilograms of liquid xenon. The new LUX ZEPLIN project aims to increase sensitivity by orders of magnitude.

Caesarean section delivery may double risk of childhood obesity

Research finds that caesarean section delivery may double the risk of subsequent childhood obesity, with higher levels of Firmicutes bacteria and lower Bacteroides bacteria in the guts of children born via c-section. This association is thought to influence energy extraction from diets, insulin resistance, inflammation, and fat deposits.

Scientists discover a new sensory organ in the chin of baleen whales

A new sensory organ discovered in the chin of rorqual whales enables efficient lunge feeding by coordinating jaw position and throat expansion. This finding sheds light on how hyper-expandable throat pleats and other morphological specializations facilitate successful feeding in these ocean giants.

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.

Geological record shows air up there came from below

Researchers at Princeton University report that a sharp drop in mantle melting 2.5 billion years ago coincided with the Great Oxygenation Event, allowing free oxygen molecules to proliferate. The study suggests that diminished mantle melting decreased the output of reactive gases into the atmosphere.

Efficient and tunable interface for quantum networks

Researchers at the University of Innsbruck have developed an efficient and tunable interface for quantum networks, enabling high-speed transfer of quantum information between matter and light. The interface, which uses entanglement to connect a single ion with a photon, achieves efficiency rates over 99 percent.

New process would make anti-malarial drug less costly

Developing a new, two-step process could stabilize prices for the raw material essential for making malaria treatment drugs. The improved manufacturing method generates less waste and requires less artemisinin, potentially easing supply problems.

Apple iPhone 17 Pro

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

Researchers find a way to delay aging of stem cells

Stem cells, essential building blocks of life, gradually lose their ability to maintain tissues and organs as they age. Researchers at the Salk Institute found that the stem cell niche's biological events contribute to this decline, but also discovered a mechanism to reverse it by increasing expression of Imp.

A whale of a discovery: New sensory organ found in rorqual whales

Researchers have discovered a sensory organ at the tip of the whale's chin, lodged in the ligamentous tissue connecting its two jaws, which sends information to the brain to coordinate the complex mechanism of lunge-feeding. This discovery may help explain why rorqual whales are able to achieve such enormous sizes.

Dollars and sense: Why are some people morally against tax?

A new study explores the moral ideas behind tax aversion in America, finding that middle-class feelings of exploitation drive hostility towards taxation. Respondents associate income tax with a violation of the moral principle that hard work should be rewarded.

Fluke 87V Industrial Digital Multimeter

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

Who pays for personalized medicine?

Researchers suggest enhanced public funding, partnerships, and open-source consortia may improve biomarker discovery and development. The Supreme Court's move to free medical diagnosis from private ownership could enhance public health.

Long-term ICS use reduces pleural effusion in patients with CAP

Prior ICS treatment before CAP diagnosis is associated with lower incidence and severity of parapneumonic effusion. Patients treated with ICS had a significantly lower risk of developing this complication, regardless of their baseline chronic respiratory condition.

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.

Warm, dry El Nino weather puts baby sea turtle at risk

Research published in PLOS ONE found that warmer, drier conditions associated with El Niño led to higher mortality rates for leatherback turtle eggs and hatchlings. Climate models project that these conditions will become more common, threatening the already endangered species.

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.

Cardio fitness levels of breast cancer patients may affect survival

A study by Duke University Medical Center found that breast cancer patients have significantly impaired cardio-pulmonary function that can persist for years after treatment. Higher cardio fitness levels were linked to longer median survival among women with advanced breast cancer, suggesting exercise may be a useful intervention.

Research team awarded prestigious National Institutes of Health grant

A Queen's University professor and his research team received a prestigious NIH grant to investigate the impact of 'topping up' with intravenous nutrition on survival rates among critically ill patients. The study aims to create new guidelines for optimal energy and protein delivery to critically ill patients.

Anti-inflammatory drugs may improve survival from severe malaria

Researchers have shown that a new class of anti-inflammatory agents, called IDR peptides, could increase survival from severe clinical malaria when used in combination with antimalarial drugs. In mouse models infected with the Plasmodium berghei parasite, these treatments prevented inflammation and improved survival.

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.

Children's body fat linked to Vitamin D insufficiency in mothers

A new study published in the American Journal of Clinical Nutrition found that pregnant women with low vitamin D levels are more likely to have children with increased body fat. The research, which analyzed data from over 977 pregnant women, suggests a potential long-term health consequence for children born to mothers with vitamin D i...

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.

Argonne scientists uncover a photosynthetic puzzle

Researchers used ultrafast spectroscopy to study the initial stage of photosynthesis, observing a single photon exciting different chromophores simultaneously. This discovery hints at more efficient natural light-harvesting processes, potentially influencing efforts to create artificial materials and devices.

Study shows how to keep a Mars tumbleweed rover moving on rocky terrain

Researchers at North Carolina State University have developed a computer model to determine how a wind-driven 'tumbleweed' Mars rover would perform on rocky Martian terrain. The study found that larger diameter and lower weight rovers achieve better performance, with a minimum diameter of six meters needed for acceptable movement.

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.

Elusive quasiparticles realized

Researchers have successfully realized and analyzed repulsive polarons, a new type of quasiparticle with modified properties. By controlling particle interactions, they found that these quasiparticles can exist for an almost ten times longer lifetime than previously thought.

Study shows how patients use Facebook to solicit kidney donations

A study by Loyola University Medical Center researchers found that 91 Facebook pages were used to solicit living kidney donors for patients aged 2-69. Twelve percent of the pages resulted in a successful transplant, while 30% reported potential donors being tested for compatibility.

Mystifying materials

Researchers at Northwestern University have designed new metamaterials that exhibit negative compressibility transitions, where they contract when tensioned and expand when compressed. This discovery may enable new applications in protective mechanical devices and actuators.

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.

Common acne medication doubles risk of eye infection

Researchers found that patients taking oral acne medications like Accutane or Roaccutane doubled their risk of developing conjunctivitis, also known as pink eye. Using artificial tears or eye drops can help minimize this risk and prevent long-term damage.

Forensics ferret out fire beetle secret

Researchers use a historic fire to model the sensitivity of a natural sensor found in fire beetles. The study reveals that these sensors can detect extremely low levels of heat, rivaling those of radio telescopes.

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.

Nomads of the galaxy

A recent study proposes that up to 100,000 nomad planets might exist in the Milky Way Galaxy for every star, with an estimated quadrillion number of total nomads. If confirmed, this could mean nomad planets play a significant role in the universe.

Researchers identify genetic markers to predict male fertility

A new study has identified a gene expression fingerprint associated with low sperm fertilizing capacity, predicting male infertility. The research used RNA profiling to analyze semen samples from 68 donors and found significant differences in gene expression between fertile and infertile individuals.

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.

Make no mistake - male bosses' errors matter

A new study reveals that male leaders who make mistakes are viewed as less competent and effective than female leaders in the same situation, with a greater impact on followers in masculine work domains. The researchers found that male leaders' errors are perceived more negatively, leading to decreased follower desire to work for them.

Center for North Sea oil expertise set to boost jobs and growth

The Centre for North Sea Enhanced Oil Recovery with CO2 (CENSEOR-CO2) will develop understanding of enhanced oil recovery technology, creating a commercial use for CO2 captured from power plants and industry. The technology could store 75 million tonnes of CO2 and increase oil removal by five to 25 percent.

Taking solar technology up a notch

Researchers at Northwestern University have developed a new, all-solid-state solar cell that exceeds the performance of traditional Grätzel cells. The device achieves an impressive conversion efficiency of approximately 10.2 percent and is stable over time, addressing key limitations of current solar technology.

Celestron NexStar 8SE Computerized Telescope

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

Hormone plays surprise role in fighting skin infections

A hormone previously associated with calcium homeostasis boosts immune response when dietary vitamin D levels are inadequate. The discovery may provide an alternative to current antibiotic therapies for treating skin infections.