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Science News Archive February 2017


Page 18 of 37

How an Ice Age paradox could inform sea level rise predictions

Researchers found that small spikes in ocean temperature, rather than atmospheric warming, likely drove the rapid disintegration of ancient ice sheets. The study's findings add to evidence that climate change may bring higher seas than predicted by current models.

Flat-footed fighters

A University of Utah study found that heel-down posture in great apes and humans is beneficial for fighting due to increased swinging force. This stance allows for more efficient application of rotational force, enabling physical competition to be costly and demanding peak performance from the musculoskeletal and cardiovascular system.

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.

Vitamin D protects against colds and flu, finds major global study

A major global study led by Queen Mary University of London found that vitamin D supplements halve the risk of acute respiratory infection in people with low baseline vitamin D levels. The results suggest that vitamin D fortification of foods could be an effective way to tackle high levels of deficiency in the UK.

New economic water-splitting catalyst, ru@c?N

Researchers have developed a new ruthenium-based material, Ru@c?N, that can split water into hydrogen with high efficiency and durability. The catalyst exhibits high turnover frequency and is not affected by the pH of the water, making it suitable for various environments.

Apple iPhone 17 Pro

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

An impact on implants

A researcher is studying how early immune system responses can predict the long-term success of biomedical implants. The study aims to develop methods for modulating macrophage activity to encourage positive outcomes.

How depression can muddle thinking

People with depression experience trouble processing information and solving problems, with symptoms persisting even after other symptoms fade. Researchers identified molecular mechanisms affected by depression on a rat model, shedding light on potential new treatments addressing associated cognitive problems.

90 percent of fish used for fishmeal are prime fish

A new study reveals that 27% of commercial marine landings were diverted to uses other than direct human consumption from 1950 to 2010. Most of the diverted fish are classified as food-grade or prime, used in aquaculture and livestock production, threatening global food security.

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.

Worm identified as potential cause for mysterious seizure disorder

A study reveals that parasitic infections, particularly with Onchocerca volvulus, may trigger the onset of Nodding Syndrome by triggering an inappropriate immune response against brain cells. This could lead to devastating epilepsy in children, with no clear cause or remedy yet discovered.

Researchers pinpoint watery past on Mars

Researchers from Trinity College Dublin have identified a Martian valley with evidence of recent flooding, indicating water may have been present near Mars' equator in the not-too-distant past. This finding makes this location a potential geological target for detecting past life forms on the Red Planet.

Celestron NexStar 8SE Computerized Telescope

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

Carbs during workouts help immune system recovery

Research from QUT found that consuming carbohydrates during or immediately after intense exercise helps minimise exercise-induced immune disturbances and aids the body's recovery. The study suggests that stable blood sugar levels reduce the body's stress response, moderating undesirable mobilisation of immune cells.

Designing bone healing therapies that better mimic regeneration

Researchers from Stanford University review biomimetic strategies to heal bone defects, focusing on cell transplantation and grafts based on soluble bone minerals or structural proteins. The study highlights the potential of biomimetics in regenerative medicine.

Unlocking the genetic secrets of legendary bulls

A genetic study has sequenced the genomes of 50 top Brahman bulls in Australia to understand how genes from temperate cattle have influenced production traits. The research found that these genes, which account for 7-10% of the breed's genome, may be associated with fertility, growth and temperament.

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.

NASA-funded website lets public search for new nearby worlds

The public can participate in searching for undiscovered worlds in the outer reaches of our solar system and beyond. A new website, Backyard Worlds: Planet 9, uses brief movies made from WISE images to highlight moving objects, which can be discovered by human eyes.

GM foods: Why presenting 'just the facts' won't work

A new study from the University of Adelaide found that women's attitudes towards genetically modified (GM) foods are influenced by multiple factors, including science background and values. Women with scientific backgrounds used evidence to support their stance, but others saw 'unknown' risks, leading to a lack of trust in science.

Meta Quest 3 512GB

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

Researchers find autism biomarkers in infancy

A study published in Nature found that brain imaging biomarkers at 6 and 12 months can accurately predict which infants will develop autism spectrum disorder by 24 months. The predictive power of the findings may inform the development of a diagnostic tool for ASD, potentially intervening earlier to improve outcomes.

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.

New method uses heat flow to levitate variety of objects

Researchers used a temperature gradient to levitate ceramic, polyethylene spheres, glass bubbles, ice particles, lint strands and thistle seeds in a vacuum chamber for over an hour. The method achieved radial and vertical stability, expanding possibilities for particle dynamics and interactions in microgravity environments.

NASA sees Tropical Cyclone Dineo at Mozambique coast

Tropical Cyclone Dineo is centered just off the coast of Mozambique, with maximum sustained winds near 80.5 mph. The storm is expected to make landfall in southern Mozambique before weakening, according to NASA's satellite observations.

Scalp cooling can help some breast cancer patients retain hair

A multicenter study found that scalp cooling reduced hair loss in certain breast cancer patients undergoing non-anthracycline adjuvant chemotherapy. The study, published in JAMA, showed that 67% of patients retained half or more of their hair after treatment.

No, that's not a brown recluse spider bite

A new paper outlines expressions of skin conditions often misdiagnosed as brown recluse bites, including bacterial infections and deadly reactions. The authors introduce the NOT RECLUSE mnemonic device to help doctors accurately diagnose these cases.

Fluke 87V Industrial Digital Multimeter

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

Society may not be meeting patients' drug needs for rare diseases

A UMass Amherst study found that current incentives for developing orphan drugs are not sufficient to meet patients' needs, leading to unmet health needs and barriers to access. The researchers call for a comprehensive understanding of the ethical considerations of access to safe and effective orphan drugs.

Motor cortex contributes to word comprehension

Researchers used TMS to study brain activity while participants comprehended words related to hand movements. The results suggest that language areas work together with motor cortex regions to form distributed meaning representations.

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.

Is a stretchable smart tablet in our future?

Researchers at Michigan State University have created a stretchable integrated circuit made entirely using an inkjet printer, enabling the potential for inexpensive mass production of smart fabric. The material can be produced on a standard printer and has applications in wearable electronics and soft robotics.

Illuminating the contacts

Researchers used super-resolution imaging to map the organization of cadherin-based adhesions in cells. The study revealed a multi-layered structure with compartments separated by an interface layer containing vinculin, which plays a key role in fine-tuning mechanical properties.

Unsaturated fatty acid may reverse aging effect of obesity

Research published in Experimental Physiology suggests that unsaturated fatty acids can reverse some of the effects of obesity on the immune system. Obesity was found to cause changes similar to those observed with aging, but supplementing the diet with unsaturated fatty acids reversed these effects.

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.

3-D printed 'eagle eye' camera mimics sharp vision of predators

A new miniaturized camera inspired by eagles' sharp vision uses multi-aperture design to capture high-resolution images with improved center sharpness. The 'foveated imaging' system has potential in areas like endoscopy, optical sensors, and surveillance drones.

More extremely preterm babies survive, live without neurological impairment

A new study led by Duke Health has found that babies born at 23-24 weeks of pregnancy are showing small but measurable improvements in survival rates and neurodevelopment. The study analyzed the records of over 4,200 infants and found a larger percentage developing into toddlers without cognitive or motor delays.

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.

New malaria vaccine effective in clinical trial

Researchers at German Center for Infection Research develop a new malaria vaccine that uses fully viable malaria parasites, showing up to 100% protection against the disease. The vaccine was tested on 67 healthy adult subjects and showed strong immune responses.

Bursting pods

Researchers design a pod-like casing with liquid-crystal elastomers and molecular switches, demonstrating the ability to produce powerful movement at the molecular level. The device uses light-triggered re-arrangement of molecular switches to drive twisting helices in opposing directions, resulting in the bursting of the casing.

1 in 4 ER visits for eye problems aren't actually emergencies, study finds

A new study reveals that nearly one in four people who seek emergency care for eye problems have mild conditions, such as conjunctivitis or blepharitis, that don't require emergency treatment. The researchers recommend ways to reduce inappropriate ER visits, including telemedicine and after-hours appointments.

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.

Plant-made virus shells could deliver drugs directly to cancer cells

Researchers have developed plant-made virus shells that can deliver small molecules to cancer cells, using the natural binding affinity of these nanoparticles for targeted drug delivery. The findings suggest a potential new approach for treating cancer with increased precision and reduced side effects.

Lifetime weight gain linked to esophageal and stomach cancers

A recent study found that people who gained weight over their lifetime were more likely to develop esophageal and stomach cancers. The researchers analyzed data from over 400,000 people and discovered that those who became obese after a healthy weight had nearly tripled the risk of developing these cancers.

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.

A cultural catch

A UCSB scholar examines the evolution of wooden halibut hooks carved by native people of the Northwest Coast, tracing their design and dimensions over time. The study reveals that the hooks' transformation from utilitarian tool to expression of cultural heritage has driven changes in materials, dimension, and meaning.

Chest pain: New tool helps doctors decide when tests are needed

A new online tool uses data from the PROMISE trial to predict patients at minimal risk for heart trouble, allowing primary care doctors to safely defer non-invasive cardiac tests. The tool considers 10 clinical variables and can help clinicians quantify minimal risk, opening a conversation with patients on whether a test is worthwhile.