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Science News Archive March 2013


Page 22 of 30

Fewer adverse events with 'double kissing' crush stent than culotte

The DKCRUSH-III trial shows that double kissing crush stenting reduces restenosis and improves long-term outcomes for patients with bifurcation lesions, a type of complex coronary lesion. The study found 6.8% in-stent restenosis rates with double kissing crush versus 12.6% with culotte stenting.

Are tropical forests resilient to global warming?

A recent study published in Nature Geoscience suggests that tropical forests are less likely to lose biomass in response to greenhouse gas emissions. This finding has important implications for the future evolution of tropical rainforests and their role in the global climate system.

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.

Results released for first multicenter study of hybrid revascularization

The study found that hybrid revascularization had a similar rate of major adverse events in the first year compared to percutaneous intervention. Hybrid revascularization combines coronary bypass surgery and stenting, offering a minimally invasive approach for treating multi-vessel coronary artery disease.

New biolimus stent equal to everolimus stent at 1 year

The NEXT trial found biolimus stent to be non-inferior to everolimus stent in target-lesion revascularization and stent thrombosis rates at one year. The study's long-term data will determine if the device's disappearing polymer offers superior benefits over other available stents.

Apple iPhone 17 Pro

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

Drug protects against kidney injury from imaging dye in ACS patients

A recent study presented at the American College of Cardiology's Annual Scientific Session found that high doses of rosuvastatin significantly reduced the rate of acute kidney injury caused by contrast agents used in imaging tests. The statin group had lower rates of kidney damage and adverse events compared to the control group.

Shock teams and ECMO save lives in massive STEMI

A study at the American College of Cardiology Scientific Sessions found that ECMO, accompanied by mechanical CPR and therapeutic hypothermia, can lead to unexpected survival in patients with massive myocardial infarctions. Four out of five patients survived hospital discharge with improved ejection fractions.

Niacin therapy shows no benefits, has some harmful effects

The HPS2-THRIVE study found that niacin therapy provides no benefit and may even be harmful for patients with vascular disease. The study showed a higher incidence of bleeding, infections, new onset diabetes, and gastrointestinal problems among those receiving the drug.

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.

Beware: Newly recognized heart cardiomyopathy is not always benign

A study reveals that Tako-tsubo cardiomyopathy, or broken heart syndrome, can be deadly when compounded by other co-morbidities. Researchers found that severe hypotensive heart failure and low blood pressure are linked to high mortality rates in women, highlighting the need for improved diagnosis and treatment guidelines.

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.

Weight loss may prevent, treat osteoarthritis in obese patients

A literature review suggests that weight loss can diminish pain, restore function, and quality of life in osteoarthritis patients. Obesity may trigger biomechanical changes contributing to the condition, making weight loss a key treatment option for arthritis and joint pain prevention.

Genetic study of house dust mites demonstrates reversible evolution

A recent genetic study of house dust mites demonstrates reversible evolution, contradicting Dollo's law. The research found that these tiny creatures evolved from parasites, but then returned to a free-living lifestyle, speciating in various habitats, including human habitations.

Conservationists to CITES: Stop trade in wild cheetahs

Conservationists and representatives from Ethiopia, Kenya, and Uganda have joined forces to highlight the plight of threatened wild cheetahs due to the illegal pet trade. The CITES Conference of the Parties has accepted a proposal for a study on the cheetah trade, which could impact the survival of cheetah populations in Africa.

Meta Quest 3 512GB

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

Mom's sensitivity helps language development in children with hearing loss

A recent study published in The Journal of Pediatrics reveals that highly sensitive parenting is crucial for language growth in children with severe to profound hearing loss. Children whose mothers displayed high sensitivity showed significant improvements in oral language development compared to those with less sensitive parents.

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.

Celebrity endorsement encourages children to eat junk food

A University of Liverpool study found that celebrity endorsement boosts children's desire for junk food. The research demonstrated that even seeing a celebrity outside of an advertisement prompts kids to consume more of the endorsed product.

Biological tooth replacement -- a step closer

Researchers at King's College London have developed a new method for replacing missing teeth with bioengineered material from human gum cells. The technique, which uses adult human epithelial cells and mouse mesenchyme cells, can produce functional teeth with viable roots and dentine.

Full wired: Planar cell polarity genes guide gut neurons

The study found that planar cell polarity genes Celsr3 and Fzd3 control the formation of complex neural networks in the gut. Inactivation of these genes resulted in disorganization of neuronal projections, slower gut transit time, and abnormal colonic motility.

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.

NIST quantum refrigerator offers extreme cooling and convenience

Researchers at NIST have demonstrated a solid-state refrigerator that uses quantum physics to cool larger objects to extremely low temperatures. The prototype enables the placement of any suitable object in the cooling zone and later removal and replacement, similar to an all-purpose kitchen refrigerator.

Maternal obesity increases the risk of frequent wheezing in offspring

A new study confirms that children of mothers with obesity are four times more likely to experience frequent wheezing during the first 14 months of life. This finding suggests a potential intergenerational link between maternal obesity and asthma, highlighting the importance of weight management before pregnancy.

Partner abuse counseling for women insufficient

A Penn State study reveals that only one in five central Pennsylvania women who have experienced intimate partner violence are asked or counseled by a healthcare provider. The research highlights inadequate preventive care services for women exposed to IPV, which can lead to serious immediate and long-term health issues.

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.

JCI early table of contents for March 8, 2013

Heavy drinkers show enhanced brain acetate metabolism, which may provide an energetic reward to compensate for drops in blood glucose levels. Additionally, planar cell polarity genes guide the formation of gut neurons, and their dysfunction is linked to gastrointestinal motility disorders.

Quantum computing moves forward

Recent advances enable control of individual atoms used in quantum information processing, paving the way for creation of powerful computers and highly sensitive detectors. Researchers explore ways to transmit quantum information over long distances and scale up the number of qubits.

White Delight: New peach varieties released for warmer climates

Four new white peach varieties, White Delight series, are being released for production in nurseries this year, catering to growers in warmer climates. The three clingstone and one semi-freestone varieties ripen consecutively from late-May through mid-July with high-taste scores.

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.

Specialised germanium surface as universal protein adapter

Researchers at Ruhr-University Bochum have developed a new method to attach proteins to the surface of germanium crystals, enabling time-resolved tracking of molecule interactions. This technology has been applied in the EU project K4DD and allows for the study of G-protein-coupled receptors.

Bioscience to battle ash dieback

The BBSRC has awarded funding to two projects: the Nornex consortium, studying the molecular and cellular basis of interactions between the fungus and ash trees, and Professor Christopher Gilligan's team, developing computer models to predict the spread of ash dieback in the UK.

Farmers who commit totally to sell locally can make a profit

Researchers found that committed farmers tend to do better than those who test the local market, capturing additional revenue through higher prices and improved sales margins. Farmers can start by meeting with chefs and shop owners, learning their needs and pricing.

UTHealth researchers say more rapid test for Group B strep successful

A rapid laboratory test for pregnant women to detect Group B strep has been developed and is highly valid, identifying GBS colonization in six and a half hours. This new test could help reduce the overuse of resources and minimize bacterial resistance by targeting patients with threatened preterm labor.

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.

NASA satellite sees Sandra strengthening at sea

Cyclone Sandra is intensifying in the Southern Pacific Ocean, with NASA's Aqua satellite capturing infrared data showing cloud top temperatures growing colder and thunderstorms strengthening around its center.

NASA supports Extreme Universe Space Observatory

The NASA grant will support the U.S. institutions in building lasers and monitoring equipment for calibrating the telescope's optics from around the globe. The Extreme Universe Space Observatory aims to discover the sources of ultra high-energy cosmic rays by observing their traces in the atmosphere.

Anti-aging drug breakthrough

Researchers have discovered a single anti-ageing enzyme that can be targeted by all 117 tested drugs, leading to a new class of anti-ageing medications. The enzymes' activators, such as resveratrol, show promising results in trials for various diseases, including cancer, diabetes and Alzheimer's.

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.

Oysters safer to eat with improved purification method

Researchers at Oregon State University have developed an improved purification method for oysters that effectively removes Vibrio parahaemolyticus bacteria, reducing the risk of gastroenteritis. The new process uses temperature-controlled depuration with ultraviolet light, eliminating 99.9% of bacteria after four to five days.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Temp-controlled 'nanopores' may allow detailed blood analysis

Researchers have developed temperature-controlled nanopores that can detect and identify a wide range of molecules in the bloodstream, including proteins and DNA. This innovation may enable doctors to diagnose diseases more effectively by quickly identifying indicators of disease in the blood.

Celestron NexStar 8SE Computerized Telescope

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

Some biologists shun new media

A study by neuroscientists found that while they recognize the importance of new media in shaping public opinion, most researchers make little personal use of social networks. The study suggests scientists still value the vetting process for information in traditional media channels.