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Science News Archive March 2019


Page 19 of 43

Study finds natural selection favors cheaters

Research found that natural selection favors cheating rhizobia that provide fewer benefits to their host plants, destabilizing mutualisms. The study suggests that beneficial bacteria services vary in natural systems and can be exploited by cheater strains.

Fluke 87V Industrial Digital Multimeter

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

First Anatolian farmers were local hunter-gatherers that adopted agriculture

A new study confirms that Anatolian hunter-gatherers adopted farming and were later descended by early Anatolian farmers. The findings provide genetic support for archaeological evidence that local hunter-gatherers developed agriculture independently, rather than being introduced by a large migration of farmers.

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.

Restoring hearing loss

A team of researchers, including University of Utah engineers, are working on a new procedure to restore hearing loss using an implantable device that sends electrical impulses to the auditory nerve. The device has shown promise in improving sound resolution and compatibility with existing hearing aids.

Levitating objects with light

Researchers at Caltech have designed a way to levitate and propel macroscopic objects using specific nanoscale patterning on their surfaces. This technology has the potential to revolutionize space travel by powering spacecraft with light, potentially reaching nearby planets in 20 years.

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.

Mathematicians reveal secret to human sperm's swimming prowess

Human sperm's ability to swim through cervical mucus is crucial for fertilization. Researchers have discovered that the tails of human sperm have a reinforcing outer-layer that provides the necessary strength and stability to break through the fluid barrier.

Breast density assessment varies greatly by screening method and race

A new study found that digital mammography is associated with a lower likelihood of high-density breast tissue compared to digital breast tomosynthesis (DBT) or synthetic mammography. This could have implications for personalized screening and recommendations for supplemental screening.

Woolly stars need catastrophes to live

Researchers found that soil treatments mimicking floods led to the highest woolly star survival rate, while no treatment favored invasive grasses. The study suggests that restoring natural flood pulses can help reestablish the plant species in degraded habitats.

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.

Hayabusa2 probes asteroid for secrets

The Hayabusa2 mission provides valuable insights into the composition and history of asteroid Ryugu, helping researchers understand the presence or absence of essential materials for life. The study reveals that Ryugu is a dry asteroid, which challenges current models of the early solar system.

3D mammography significantly reduces breast biopsy rates

A new study published in Radiology found that digital breast tomosynthesis (DBT) significantly reduces the number of women who undergo breast biopsy for non-cancerous lesions. DBT detected 142 cancers with a biopsy rate of 69%, while reducing false positive biopsies by 52%.

SwRI-led team discovers surprisingly old surface on near-Earth asteroid

A Southwest Research Institute-led team has discovered that the surface geology on asteroid Bennu is older than expected, with large impact craters and fractured boulders indicating ages of hundreds of millions of years. The OSIRIS-REx mission revealed ancient features on Bennu's surface while also showing signs of recent resurfacing.

Apple iPhone 17 Pro

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

Bright skies for plant-based jet fuels

Researchers at Joint BioEnergy Institute demonstrate that sustainable plant-based bio-jet fuels could reduce greenhouse gas emissions and be economically viable. The study found that optimizing the production process can lower the cost of biofuels to $2.50 per gallon, making them a viable alternative to conventional jet fuels.

NASA mission reveals asteroid has big surprises

The OSIRIS-REx mission revealed unexpected discoveries on asteroid Bennu, including particle plumes and a rugged terrain. The team adjusted their flight plans due to the rough surface, which challenges their sample collection strategies.

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.

Revealing the secret of the vacuum for the first time

A new research group at the University of Jena has demonstrated quantum vacuum processes for the first time, using strong fields and high-performance lasers. The experiments aim to provide evidence for fundamental physics assumptions, with potential applications in medicine, life sciences, and materials research.

UMass Amherst food scientist receives Young Scientist Research Award

Guodong Zhang, a researcher at UMass Amherst, has been awarded the Young Scientist Research Award for his groundbreaking work on reducing colonic inflammation and colon cancer. His research focuses on identifying risk factors and developing new therapeutic targets and biomarkers.

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.

People choose healthy and sustainable lunches if given the green light

Researchers found that people opt for 'greener' meals over 'healthier' options when presented with two traffic lights indicating environmental friendliness and healthiness. The study showed that providing additional information about daily calorie intakes and carbon emissions boosts the positive effect on consumer meal choices.

Healthy food prescriptions could save lives and money

A new study suggests that healthy food prescriptions for adults in Medicare and Medicaid could prevent millions of cardiovascular disease events and save billions of dollars in healthcare costs. The study found that programs incentivizing diet, particularly through fruit and vegetable purchases, could be highly cost-effective.

Electron accelerators reveal the radical secrets of antioxidants

Researchers used electron accelerators to generate free radicals in water molecules, allowing them to study the damaging effects on biomolecules. This method provides a valuable tool for understanding naturally occurring antioxidants and proteins like vitamin C, with implications for developing new medications to prevent cell damage.

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.

US Department of Energy and Intel to deliver first exascale supercomputer

The Argonne National Laboratory's Aurora supercomputer will revolutionize scientific research and discovery with its exaFLOP performance and ability to handle both HPC and AI. The system is expected to have a significant impact on various fields, including cancer research, climate modeling, and veterans' health treatments.

Deep brain stimulation provides sustained relief for severe depression

A recent study published in Neuropsychopharmacology found that deep brain stimulation provided significant reduction in depression severity and improved quality of life for patients with treatment-resistant depression. The therapy showed excellent results over one year, with most patients experiencing relief within days.

Inflammation inhibitor blocks neurodevelopmental disorders in mouse model

A study published in PNAS shows that an enzyme inhibitor reduces inflammation in the brains of mice born to mothers with maternal immune activation, reversing cognitive and social interaction deficiencies. The findings suggest a potential new treatment approach for neurodevelopmental disorders such as autism and schizophrenia.

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.

Precision oncology insights revealed for colorectal cancer

The study analyzed tumor DNA from 843 patients with colorectal cancer, identifying associations between genetic mutations and treatment responses. Patients with microsatellite instability had longer survival when treated with bevacizumab, while those with high tumor mutational burden lived longer than those with less variation.

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.

New material will allow abandoning bone marrow transplantation

Researchers from NUST MISIS created a nanomaterial that enhances the rate of bone cell division by 3 times, enabling the growth of new bone tissue. This breakthrough could potentially abandon bone marrow transplantation, offering hope to patients with osteoporosis and osteomyelitis.

Meta Quest 3 512GB

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

Even low levels of leisure time physical activity lowers risk of death

A large observational study found that even low-level physical activities, such as walking or gardening, are associated with a lower risk of death from cardiovascular disease, cancer, or any cause. Increasing activity levels continues to mount health benefits, with vigorous sports providing additional protection.

Are there Zika reservoirs in the Americas?

A team of researchers detected the Zika virus in feces of nonhuman primates in South America, revealing potential reservoirs. The study used a novel method to collect and test fecal samples, overcoming previous limitations in testing for the virus in other bodily fluids.

New technique for in-cell distance determination

Researchers from the University of Konstanz and partners demonstrate a new technique for in-cell distance determination using RIDME, overcoming limitations of traditional methods such as DEER. This approach provides essential structural information about biomacromolecules under native conditions, enabling analysis without inserting or ...

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.

Heading towards a tsunami of light

A team at Chalmers University of Technology has proposed creating ultra-intense light pulses to study interactions between matter and light. These pulses can be used to probe and control matter in unique ways, offering new insights into material science and quantum states.

New model IDs primate species with potential to spread Zika in the Americas

A new study has identified prime candidate primates with potential to transmit Zika virus. An innovative model combining multiple imputation and Bayesian multi-label machine learning techniques assigned risk scores to primate species, revealing the tufted capuchin, Venezuelan red howler, and white-faced capuchin as high-risk species.

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.

Fountain of youth for heart health may lie in the gut

Research suggests that an aging microbiome may be the key to understanding vascular decline and cardiovascular disease risk. The study found that suppressing the microbiome in old mice restored vascular health to that of young mice, highlighting the potential for gut-friendly diets and supplements.

Facial motion capture helps bring VR documentary to life

The University of Bath's CAMERA research centre collaborated with Aardman on a BBC virtual reality documentary about twin sisters affected by a car accident. Researchers used facial animation and motion capture tech to create realistic character movements, making the viewer feel immersed in their story.

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.