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Science News Archive March 2019


Page 20 of 43

Stillbirths more likely if diabetes in pregnancy not diagnosed

Women with undiagnosed gestational diabetes are at a significantly increased risk of stillbirth, according to new research. The study found that the risk of stillbirth was over four times higher in women who developed signs of gestational diabetes but were not diagnosed, highlighting the importance of proper screening and diagnosis.

Measuring impact of drought on groundwater resources from space

Researchers measured groundwater loss and storage capacity during 2012-2015 drought, finding a permanent loss of up to three percent of the aquifer's storage capacity. The study provides water resource managers with better tools to monitor groundwater health and implement sustainable practices.

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.

Scientists revealed how probiotics influence human gut bacteria

A study of 150 volunteers found that consuming yogurt with probiotics increased the proportion of beneficial bifidobacteria, which can help metabolize lactose and produce vitamins. This shift in gut microbiota had a positive impact on the body's ability to resist inflammatory diseases and hormonal disorders.

Nitrogen oxides and particulate matter

Reduced NOx emissions lower particulate matter production through decreased oxidant abundance. Atmospheric autoxidation of plant compounds decreases with NOx reductions, consistent with US observations from 1990 to 2010.

Grow a better jawbone in your ribs

Researchers developed a technique to grow live bone in the rib area using 3D-printed bioreactors and stem cells. The new method aims to replace current reconstruction techniques that use harvested bone tissues from different areas, promoting natural healing powers.

Can people learn to embrace risk?

New research finds that children's risk aversion can be influenced by their social environment, with girls from matrilineal Mosuo culture becoming more risk-loving after exposure to patriarchal Han culture and vice versa. The study aims to explore the malleability of gender norms and their impact on economic outcomes.

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.

'Back to basics' atrial fibrillation procedure could slash waiting lists

A new study shows that a simplified catheter ablation procedure can deliver the same outcomes as traditional procedures without the need for complex equipment and staff training. This could lead to reduced waiting lists for atrial fibrillation patients, with 30% more patients receiving treatment within the same budget.

Gene medication to help treat spinal cord injuries

Researchers at Kazan Federal University have developed a two-gene medication that recovers motor functions in rats after spinal cord injuries. The medication, which targets VEGF and FGF2 genes, stimulates axon growth and regeneration by increasing blood flow and neuron survivability.

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.

Fast-acting psychedelic associated with improvements in depression/anxiety

A Johns Hopkins study found that 80% of participants experienced improvements in anxiety and depression after using synthetic psychedelic 5-MeO-DMT. The short-acting effects of the substance may make it easier to use as an adjunct therapy, with potential benefits for individuals experiencing clinically significant negative mood.

How heavy elements come about in the universe

A research team at Goethe University Frankfurt has successfully simulated the capture of protons by heavy elements in the universe. By using an ion storage ring, they were able to create conditions similar to those found in stellar explosions and neutron stars, allowing them to study the formation of heavy elements in detail.

Experimental blood test accurately spots fibromyalgia

Researchers at Ohio State University have developed a blood test that can reliably detect fibromyalgia by identifying unique biomarkers in the blood. The discovery has the potential to improve diagnosis and treatment outcomes for patients with this often-misdiagnosed disease, which affects millions of Americans.

Meningitis changes immune cell makeup in the mouse brain lining

A new NIH study found that meningitis can alter the composition of immune cells in the brain's lining, replacing them with cells from outside the meninges and affecting their ability to respond to future infections. The research suggests that infections in the brain can have long-lasting effects on the immune system.

Apple iPhone 17 Pro

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

Trembling aspen leaves could save future Mars rovers

Researchers at the University of Warwick have devised an energy harvesting mechanism inspired by trembling aspen leaves that could power weather sensors in hostile environments. The technology has potential to extend the life of future Mars rovers by providing a backup energy supply.

CDC researchers report on trends in hospital breastfeeding policies

A new study by CDC researchers found that US hospital breastfeeding policies improved slightly between 2009 and 2015, with over 70% of hospitals still offering free infant formula. The study analyzed data from the Maternity Practices in Infant Nutrition and Care survey, which showed increases in model policy adoption and early breastfe...

DOE extends University PPPL contract

The US Department of Energy has extended Princeton University's contract to manage and operate the Princeton Plasma Physics Laboratory through March 31, 2022. The extended contract emphasizes collaboration among the University, lab, and DOE, with a focus on advancing research in fusion energy.

EPFL researchers make a key discovery on how alpine streams work

EPFL researchers found that gas exchange velocity in mountain streams is on average 100 times higher than predicted using lowland stream data. This discovery has major implications for biogeochemical models and highlights the importance of accurate modeling of alpine ecosystems.

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.

New potential approach to treat atopic dermatitis

Researchers found that a small yeast species called Malassezia strengthens the body's defenses against pathogens, but its balance with the immune system is key to preventing atopic dermatitis. A new potential treatment targets this balance by neutralizing interleukin-17 cytokine production.

Repairing leaky valve improves heart failure patients' quality of life

Patients with heart failure and a leaking heart valve who underwent transcatheter mitral valve repair reported significant improvements in quality of life after two years. The study found that patients treated with the procedure had better rates of survival and fewer symptoms, leading to improved daily activities.

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.

Remote monitoring keeps heart failure patients out of hospital

A recent study found that remote monitoring of implanted defibrillators in heart failure patients significantly reduces the rate of hospitalization and death. The trial showed a lower rate of primary endpoint (39.5%) compared to standard care (48.5%), with reduced cardiovascular deaths and hospitalizations.

On-chip, electronically tunable frequency comb

Researchers from Harvard and Stanford have developed an integrated, on-chip frequency comb that is efficient, stable and highly controllable with microwaves. This breakthrough enables the creation of compact light sources for optical communication in data centers, facilitating fast and accurate data exchange.

Algal library lends insights into genes for photosynthesis

A team of researchers at Princeton University has constructed a public library to help understand the role of genes in photosynthesis. The library consists of thousands of mutant strains of single-celled algae, which were used to identify 303 genes associated with photosynthesis, including 21 newly discovered genes.

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.

Researchers create hydrogen fuel from seawater

Stanford researchers have devised a way to generate hydrogen fuel from seawater using solar power, electrodes, and saltwater from San Francisco Bay. The new method uses electrolysis to separate hydrogen and oxygen gas from seawater via electricity, overcoming the limitations of existing methods that rely on purified water.

Zika study may 'supercharge' vaccine research

Scientists have discovered two Zika mutations that help the virus replicate in mosquito hosts but hinder its ability to replicate in mammals. This breakthrough technique allows researchers to fast-track vaccine development, potentially leading to effective treatments for birth defects caused by the virus.

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.

People who don't drink may still suffer harms from alcohol, study suggests

Researchers estimate that alcohol use during pregnancy and drunken driving are linked to substantial harm beyond the drinker, including fetal alcohol syndrome and road traffic fatalities. Effective prevention strategies targeting vulnerable populations, such as pregnant women and road users, are necessary.

Clinical guidelines from specialty societies often biased

Guidelines issued by North American specialty societies recommend health services linked to their specialties, differing from European guidelines. This phenomenon, known as 'specialty bias,' may exacerbate healthcare costs and worsen patient outcomes.

Robot arms with the flexibility of an elephant's trunk

Researchers at Saarland University develop robotic arms with flexible, shape-memory wires, allowing for greater agility and precision. These 'muscles' can be used to create large grippers or tiny endoscopes, enabling new applications in medical procedures.

Twins and prenatal testosterone exposure

A study found that female twins exposed to high levels of prenatal testosterone may be more likely to drop out of school, have fewer children, and earn lower salaries. Prenatal testosterone exposure is linked to various negative outcomes in human females.

Meta Quest 3 512GB

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

Putting the UK at the forefront of wireless communications

The UK is set to lead wireless communications technology with the DLINK project, which aims to deliver 'fibre-in-air' communication links with unprecedented data rates and transmission distances. The project exploits a new portion of the wireless spectrum, called D-band, enabling high data rates of up to 45Gb/s.

Gender differences in risk aversion

A study of over 500 Chinese students reveals that cultural background and environment significantly impact risk aversion. Mosuo girls, from a matrilineal culture, become increasingly risk-averse with age, while Han girls in a patriarchal culture show less risk aversion.

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.

Alligator study supports convergent evolution of spatial hearing

A comparative animal study published in JNeurosci found that alligators encode sound location like birds but differently than mammals. The reptile's brain constructs neural maps to chart sound location, a feature observed in close relatives of the alligator, but not in mammals.

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.

Case study: Bartonella and sudden-onset adolescent schizophrenia

A case study by North Carolina State University researchers reveals that an adolescent diagnosed with rapid onset schizophrenia was actually infected with Bartonella henselae, leading to full recovery after treatment. The discovery suggests a potential link between bacterial infections and mental disorders.

Icosapent ethyl drug reduces risk of recurrent cardiovascular events

The REDUCE-IT trial found that high-dose icosapent ethyl significantly reduced the burden of first and subsequent cardiovascular events, including heart attacks, strokes, and deaths from cardiovascular causes. The study showed a 30% relative risk reduction in total cardiovascular events.

Machine learning scientists to collaborate on AI-powered drug discovery

Researchers from Peking University and Insilico Medicine are collaborating on AI-powered drug discovery methods, aiming to accelerate pharmaceutical research and development. The project will focus on various applications of AI in drug discovery, including target identification, compound generation, and personalized medicine.

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.

'Inflamm-aging' causes loss of bone healing ability in the elderly

Chronic inflammation, not aging, is the main reason why bones heal more slowly with age. Researchers found that exposure to older mice's blood serum reduces stem cell multiplication and increases inflammation. Treatment with anti-inflammatory drugs restored skeletal stem cell function and bone healing ability in aged mice.

Stopping DAPT after one-month improved outcomes in stent patients

Patients who stopped taking aspirin and continued clopidogrel fared significantly better after one year, with a reduced risk of bleeding and no increase in clot-related events. The study suggests that stopping DAPT after one month may be a good option for patients after drug-eluting stent implantation.

New practice corrects pump function in heart failure

A new study by the European Society of Cardiology found that a more precise placement of the left ventricular lead improves cardiac resynchronisation therapy (CRT) outcomes. The trial compared two methods for positioning the lead and found an absolute increase in left ventricular ejection fraction of 4% with electrical guidance.

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.

Brain research reveals a circuit for cocaine relapse

A team of researchers at the Medical University of South Carolina has identified a critical brain circuit involved in cocaine-seeking behavior during relapse. Targeting neurons in this circuit could offer a new approach to treating cocaine addiction.