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Science News Archive July 2018


Page 36 of 38

A first look at interstitial fluid flow in the brain

A team of researchers has developed a new method to measure and reconstruct interstitial fluid flow velocities in the brain. The technique reveals high variability in flow rates and magnitudes, contradicting the classical idea of a uniform flow rate. This discovery could potentially help predict tumor growth and improve cancer treatments.

Apple iPhone 17 Pro

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

Pelvic exams do not help diagnose STDs in adolescent girls, study says

A new study published in Annals of Emergency Medicine found that pelvic exams lack reliability and provide little new information for diagnosing sexually transmitted diseases (STDs) in adolescent females. The study's authors argue that rapid urine STD testing provides a more accurate and less invasive way to diagnose these diseases.

Boosting testosterone makes men prefer higher-status products

A new study led by Gideon Nave found that giving men a single dose of testosterone increased their preference for higher-status goods. The study measured participants' preferences and positive attitudes about products, serving as a foundation for forecasting consumer behavior.

Can parents of juvenile offenders still dream?

A new study reveals that mothers of juvenile offenders maintain high aspirations for their sons, but lower expectations due to continued delinquency. Lower-income mothers tend to have higher aspirations for upward mobility.

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.

'Find your passion' may not be the best advice after all

A new study suggests that fixed theories of interest may prevent people from exploring new topics, leading to a limitation in their academic pursuits. The researchers argue that adopting a growth theory can encourage individuals to develop their passion and be more open to new experiences.

Study: Small talk not as bad as previously thought

Researchers confirm that quality conversations are linked to greater happiness, but find small talk has no relationship with happiness. The study's results hold true for both introverts and extroverts, contradicting previous findings.

Cardiac hybrid imaging an effective tool for predicting heart attacks

A study published in Radiology found that cardiac hybrid imaging, combining CT and nuclear stress testing, is an excellent long-term predictor of adverse cardiac events. The imaging approach helps identify stenosis and perfusion, providing critical information for treatment decisions.

Celestron NexStar 8SE Computerized Telescope

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

New form of wound healing revealed by parasitic gut worms

Researchers found that adult stem cells in the intestines are replaced by fetal growth genes after parasite injury, enabling rapid wound repair. This discovery could lead to new treatments for internal wounds and improve understanding of mammalian body repair mechanisms.

Drugs that block structural changes to collagen could prevent lung fibrosis

A recent study published in eLife discovered that altered collagen structure leads to tissue stiffness during lung fibrosis progression. The researchers identified a compound that blocks LOXL enzymes, which can prevent tissue stiffening and limit fibrosis. This finding suggests new treatment approaches for lung fibrosis.

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.

Building trees: The protein controlling neuron branch growth

Researchers at Kyoto University have discovered that MTSS1 controls the branching of neurons by activating one pathway and inhibiting another. This protein plays a dual role, regulating actin filaments to facilitate efficient and uniform coverage of the surrounding environment.

Deadly amphibian fungus has its origins in East Asia

A recent study has traced the origins of deadly chytrid fungus to East Asia, highlighting the need for increased biosafety guidelines and trade regulations to prevent its spread. The researchers sequenced pathogen samples from around the world and identified four main genetic lineages of the fungus, including one found only in Korea.

How our brains learn to control and remember walking

A UMass Amherst researcher is using a five-year NSF grant to investigate how the brain learns to control and remember walking. Her study aims to understand motor learning processes in healthy people and those with neurological disorders, with the goal of developing new treatments to improve walking function.

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.

Scientists pump up chances for quantum computing

The team's device can produce one billion electrons per second and uses quantum mechanics to control them. This breakthrough paves the way for future quantum information processing applications, including defence, cybersecurity and encryption.

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.

Gulf Stream eddies as a source of iron

Researchers from ETH Zurich have found that cold, iron-rich seawater from the North American continental slope is captured by meanders of the Gulf Stream and carried out to the North Atlantic Gyre, enriching it with iron. The study suggests that this source may deliver up to 15% of the iron delivered by Saharan dust.

Illinois child care providers need resources to serve children with disabilities

A recent statewide survey of Illinois child care providers and early interventionists reveals that many struggle to accommodate infants and toddlers with disabilities in their settings. The study highlights the need for training and resources to support caregivers in identifying and supporting children with disabilities. The findings e...

How targeting metabolism can defeat cancer stem cells

Researchers have found that cancer stem cells exist in multiple states and can change form, making them resistant to treatment. By targeting cell metabolism, they may be able to kill these stem cells, potentially opening up a new approach to cancer therapy.

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.

Putting a quantum gas through its phases

Scientists at ETH Zurich develop a controlled quantum system with two coupled order parameters, enabling the creation of diverse phase diagrams and exploring complex interactions. The platform provides a unique tool for studying technologically relevant materials and simulating their properties.

World's first animals caused global warming

Researchers found that early animals caused a decrease in oxygen levels and increase in carbon dioxide, leading to global warming. This process had a massive impact on the environment, contributing to mass extinctions during animal evolution's first 100 million years.

Study: Zika could cause more miscarriages than we realize

A collaborative study published in Nature Medicine found that 26 percent of nonhuman primates infected with Zika during early stages of pregnancy experienced miscarriage or stillbirth. This is the first time such a finding has been demonstrated, highlighting the importance of understanding how the Zika virus damages the placenta.

Supplemental antioxidants may reduce exacerbations in cystic fibrosis

A randomized, controlled trial found that supplemental antioxidants decreased the risk of time to first exacerbation requiring antibiotics in patients with CF. The study also showed increased circulating antioxidant concentrations and transiently decreased inflammation in the antioxidant-treated group.

Fluke 87V Industrial Digital Multimeter

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

Ancient viral sequences and virus evolution

Researchers isolated ancient viral sequences from human remains and found a common pathogen associated with humans for over 6,900 years. The study reveals the pathogen evolved significantly slower than previously thought, showcasing the utility of ancient viral sequences in studying virus evolution.

Water compresses under a high gradient electric field

Scientists at University of Illinois discovered that water molecules can be compressed by 3% under a high-gradient electric field, which may be useful for precise filtering of biomolecules. The compression occurs because the charges on water molecules align with the electric field, and the membrane's thinness focuses the force.

China's emissions reversal cause for 'cautious optimism' says study

A new study suggests that China's decline in carbon emissions is likely to be sustained due to changes in industrial structure and energy efficiency. The country's emissions have been declining since 2014, with a 4.2% decrease from 2016, primarily driven by reductions in coal use and energy intensity.

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.

Utah soil's slippery grip on nutrients

Researchers found that lawns in Salt Lake Valley up to 100 years old show no signs of being saturated with fertilizer nutrient nitrogen, contradicting previous studies. The study suggests that natural processes may account for the unusual pattern, including storage in the soil and losses through groundwater leaching.

Hope for new catalysts with high activity

Researchers at Osaka University have elucidated the activation mechanism of nanoporous gold catalysts, making poisonous CO gas harmless. The study used atomic-scale resolution environmental transmission electron microscopy and computer simulations to reveal the role of residual impurities in catalyzing chemical reactions.

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.

Study reveals secret origins of asteroids and meteorites

A new study found that most asteroids in the inner asteroid belt originate from five or six ancient minor planets, with at least 85% of them tracing their origins to these primordial bodies. This discovery provides a more robust understanding of the evolutionary history of asteroids and the materials that form them.

Declining nuclear power in the United States

Nuclear power's contribution to US energy is expected to decline over several decades due to a lack of advanced reactor designs and economically viable small modular reactors. Researchers warn that decarbonization efforts will be hindered without significant policy changes.

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.

Diesel doesn't float this boat

A zero-emissions marine research vessel, nicknamed the Zero-V, is technically and economically feasible to build using hydrogen fuel cells. The project aims to reduce air and ocean pollution while providing a stable platform for scientists to conduct research in sensitive ecological areas.

Is drinking more coffee associated with lower risk of death?

A new study of nearly half a million people in the UK found that heavy coffee drinking was associated with a lower risk of death, regardless of genetic variations or caffeine metabolism. The results suggest a potential health benefit from moderate to high coffee consumption.

New IR instrument searches for habitable planets

Researchers have developed a new IR instrument to search for potentially habitable planets around small red dwarf stars. The instrument, IRD, uses advanced technology to measure the line-of-sight movement of stars and detect planets with high accuracy.

Scientists visualize the connections between eye and brain

Researchers developed a means of tracking retinal neuron activity as it delivers visual information to the thalamus, revealing organized clusters and shared sensitivities among different types of neurons. This finding suggests the retina's version of Pointillism, where nearby dots fuse together to create diverse colors.

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.

'Cataclysmic' collision shaped Uranus' evolution

Researchers at Durham University found that a massive collision with an object twice the size of Earth likely tilted Uranus on its side. The impact may have trapped heat, explaining the planet's extremely cold temperature. Simulations also suggest this event could have formed Uranus' rings and moons.

A refined magnetic sense

Researchers have developed a refined magnetic sense using algorithms and hardware from quantum computation, achieving six times higher sensitivity than classical methods. The transmon qubit-based magnetometer uses adaptive phase-estimation schemes to measure the strength of external magnetic fields.

Study reveals how polymers relax after stressful processing

A new study reveals that entangled, long-chain polymers in solutions relax at two different rates, marking an advancement in fundamental polymer physics. The findings will provide a better understanding of the physical properties of polymeric materials and individual polymer molecule behavior under high-stress processing conditions.

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.