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Science News Archive February 2019


Page 24 of 40

Study yields new clues to predict tipping points for marsh survival

A Duke University study analyzed hundreds of US estuaries to identify factors driving marsh loss, finding that scale and macro-scale coastal characteristics play a crucial role in determining wetland resilience. The research provides valuable insights for preservation and restoration efforts.

New study finds ecosystem changes following loss of great white sharks

A new study has documented the unexpected consequences of great white shark decline on an ocean ecosystem. Sevengill sharks, a top predator with unique characteristics, have emerged as a result of great whites' disappearance. The researchers observed sevengill shark sightings increasing in number after great whites vanished from surveys.

Upcycling plastic bags into battery parts (video)

Scientists have developed a method to upcycle polyethylene from plastic bags into pure carbon, which can be used as anode material for lithium-ion batteries. The new approach creates a cost-effective and efficient way to convert plastic waste into useful energy-storing materials.

A glimpse into the future

Researchers at UCSB have developed a high-performance quantum dot mode-locked laser on silicon, which can increase data transmission capacity by an estimated decade. The technology has the potential to significantly improve data centers' and telecommunications companies' performance.

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.

PTSD alone didn't increase heart disease risk in veterans with PTSD

Researchers found that PTSD is associated with an increased risk of cardiovascular disease, but a combination of physical disorders and psychiatric conditions may explain the association. Veterans with PTSD are 41% more likely to develop circulatory and heart disease than those without PTSD.

Running an LED in reverse could cool future computers

Researchers used reverse-biased LEDs to cool devices by harnessing thermal radiation, a concept commonly used in battery operation. This approach could lead to new solid-state cooling technology for microprocessors, enabling faster and more efficient computing.

Apple iPhone 17 Pro

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

Platelet 'decoys' outsmart both clots and cancer

Researchers developed a reversible antiplatelet therapy using deactivated platelets that can reduce the risk of blood clots and prevent cancer metastasis. By adding fresh platelets, the inhibition of normal platelet activity is rapidly reversed, allowing patients to quickly regain their ability to form blood clots.

Exceptional new titanosaur from middle Cretaceous Tanzania: Mnyamawamtuka

A newly discovered middle Cretaceous titanosaur from Tanzania provides new insights into sauropod evolution and distribution. The species, named Mnyamawamtuka moyowamkia, fits near the origin of a clade that includes most Late Cretaceous titanosaur species, revealing an early stage in their diversification.

Oral complications are rare in older women treated for osteoporosis

A recent study published by The Endocrine Society found that oral complications are rare in women taking medications for postmenopausal osteoporosis. Despite concerns among dentists and patients, the rate of osteonecrosis of the jaw (ONJ) was low, with only 5.2 cases per 10,000 patient-years reported.

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.

Newly isolated human gut bacterium reveals possible connection to depression

A newly isolated human gut bacterium, Evtepia gabavorous, has been found to have a surprising dependency on gamma-aminobutyric acid (GABA) and its metabolism is highly linked to mental health. Research suggests that low abundance of the Bacteroides fragilis bacteria may be associated with elevated brain activity during depression.

Half-Earth preservation with Natura 2000

Natura 2000, a European Union-based conservation network, is proposed as a possible route to better landscape preservation. The network relies on strong governance, flexible designations, and scientific expertise to produce reliable conservation outcomes.

Can prenatal exposures to BPA impact ovarian function?

A new study found sufficient evidence to raise concerns about prenatal BPA exposure's effects on ovarian development and function. The researchers believe their findings are relevant to both fetal and women's health, particularly in relation to infertility and endocrine disrupting chemicals.

Sensitive sensor detects Down syndrome DNA

A new biosensor has been developed to detect fetal Down syndrome DNA in pregnant women's blood, offering a fast, sensitive, and cost-effective alternative to traditional tests. The sensor can detect DNA concentrations as low as 0.1 fM/L, making it more sensitive than other reported field-effect transistor DNA sensors.

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.

Study uses satellite data to pinpoint widespread oil industry 'flaring'

A study by San Francisco State University researchers used satellite data to track oil industry 'flaring', a practice that burns off unwanted natural gas and contributes to greenhouse gas emissions. The study found over 43,000 flares in south Texas, with most associated with fracking operations.

Undersea gases could superheat the planet

A new study reveals that naturally occurring carbon gases trapped in undersea reservoirs escaped to superheat the planet in prehistory, disrupting the Earth's atmosphere and causing global warming. The findings challenge the long-standing paradigm that ocean water alone regulated carbon dioxide in the atmosphere during glacial cycles.

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.

Movement impairments in autism could be reversible

Researchers at Cardiff University discovered a genetic mutation in the CYFIP1 gene linked to autism-related motor issues. Early intervention with movement therapies shows promise in reversing these difficulties.

Many LGBTQ youth don't identify with traditional sexual identity labels

A new study published in the Journal of Research on Adolescence found that 26% of LGBTQ teenagers use emerging sexual identity labels, highlighting the need for researchers to capture nuanced experiences. The study also notes a divergence in patterns of sexual identification based on ethnicity and gender identity.

Celestron NexStar 8SE Computerized Telescope

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

When good cells go bad: Regulating the ms-causing properties of Th17 cells

A recent study published in Nature Communications identifies Satb1 as a protein regulator that induces the pathogenic properties of Th17 cells, leading to multiple sclerosis and other inflammatory autoimmune disorders. By targeting Satb1 gene expression in Th17 cells, novel treatments may be developed to alleviate or eliminate disease ...

Surface lakes cause Antarctic ice shelves to 'flex'

Researchers found that filling and draining of meltwater lakes on Antarctic ice shelves causes them to flex, which can lead to instability. The study supports the idea that recent ice shelf breakup was triggered by large amounts of surface meltwater produced in response to atmospheric warming.

Lopez named to UT System Academy of Distinguished Teachers

Ramon Lopez, a UTA physics professor, has been named to the UT System Academy of Distinguished Teachers for his exceptional teaching and mentoring skills. He is one of only two candidates selected across the UT System to join this distinguished body.

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.

Lancaster leads on pioneering hand identification research

Researchers will analyze factors making hands unique to develop new biometric capabilities for security access and border control. An active, open-source dataset of over 5,000 participant images will be created to address variable image conditions.

Human cells can also change jobs

Researchers at UNIGE show that human pancreatic cells can be converted to produce insulin in a sustainable way, potentially compensating for lost or dysfunctional cells. The conversion was successful in both diabetic and non-diabetic donors, with modified alpha cells showing improved resistance to autoimmune diabetes.

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.

Turning desalination waste into a useful resource

Researchers at MIT have developed a process to convert concentrated brine from desalination into useful chemicals, including sodium hydroxide and hydrochloric acid. This can reduce costs and minimize environmental impact by reducing the need for costly pumping systems and minimizing marine ecosystem damage.

Laser-induced graphene gets tough, with help

Researchers at Rice University have developed composites of laser-induced graphene that can be used for wearable electronics, heat therapy, water treatment, anti-icing, and antimicrobial surfaces. The new composites were created by infusing LIG with materials like plastic, rubber, and wood, and show improved mechanical robustness.

In solar system's symphony, Earth's magnetic field drops the beat

Researchers found that when a plasma jet strikes the magnetopause, it creates drum-like vibrations on its surface, producing standing waves that echo back and forth. These waves can penetrate deep into the magnetosphere, triggering other types of waves and affecting radiation belts, auroras, and ionospheres.

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.

High cadence cycling offers no benefit to amateurs, finds new study

Recreational cyclists experience reduced exercise efficiency and skeletal muscle oxygenation at high cadences, unlike elite professionals who can sustain high intensities. The study found forces exerted on the pedals decrease at higher cadences, and cycling efficiency decreases.

Fluke 87V Industrial Digital Multimeter

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

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.

Women scarce in the one percent

A new study by University of North Carolina at Charlotte researcher Jill Yavorsky and colleagues finds that men control the majority of income resources in top one percent U.S. income distributions. Women's income alone is sufficient for one percent status in only 5% of elite households, highlighting a glass ceiling that extends beyond...

Large study fails to link phthalates and increased breast cancer risk

A large study examining phthalate exposure and postmenopausal breast cancer found no association between the two. The research, published in the Journal of the National Cancer Institute, suggests that more research is needed to investigate younger women and potential associations between phthalate exposure and breast cancer risk.

Research will help urban planners prioritize bike lanes

A new virtual tool uses sensor data to predict unsafe passing events, allowing urban planners to optimize bike lane placement and improve cycling safety. The research, conducted by the University of Waterloo, found that bike lanes can virtually eliminate close calls between cyclists and motorists.

Infection biology: What makes Helicobacter so adaptable?

A study by LMU Munich microbiologists identified an enzyme crucial for Helicobacter pylori's ability to regulate gene expression and adapt to its environment. The discovery sheds light on the bacterium's genetic diversity and its impact on human health, including the development of stomach cancer.

NYU Abu Dhabi researchers discover new frog species on remote Ethiopian mountain

Researchers from NYU Abu Dhabi have identified a new frog species on Bibita Mountain in southwestern Ethiopia, characterized by its slender body, long legs, and golden coloration. The discovery highlights the importance of assessing biodiversity in remote areas and underscores the potential for numerous unknown species to exist.

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.

Intervening in glial cells protects neurons in Parkinson's model

Researchers at the Buck Institute have identified a novel molecular mechanism that orchestrates harmful inflammatory signaling in glial cells, contributing to Parkinson's disease pathology. Blocking Furin 1, a catalytic protein, in dopaminergic neurons reduces toxic cross-talk and protects neurons from degeneration.

Novel technique accurately assesses cardiovascular risks

A new imaging technique called volumetric multi-spectral optoacoustic tomography (vMSOT) offers advantages over conventional methods for assessing cardiovascular disease risk. vMSOT provides detailed information about the makeup of plaque in carotid arteries, associated with vulnerability to rupture and stroke.

Human augmentation researchers selected as 2019-2020 AAAS Leshner Fellows

The American Association for the Advancement of Science (AAAS) has selected 10 human augmentation researchers as its 2019-2020 Leshner Public Engagement Fellows. The fellows will receive intensive public engagement and science communication training, networking opportunities, and resources to develop their public engagement activities.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.