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Science News Archive July 2017


Page 15 of 37

Pulses of electrons manipulate nanomagnets and store information

Scientists use electron pulses to create and manipulate nanoscale magnetic excitations that can store data, confirming dynamic understandings provided by theory. Tailored electron pulses can swiftly write, erase or switch topologically protected magnetic textures such as skyrmions.

Strengthening 3-D printed parts for real-world use

A Texas A&M University doctoral student has pioneered a method to strengthen 3-D printed parts, making them suitable for real-world applications. The technology uses microwave energy to weld layers together, creating more durable parts.

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.

The unexpected source of tuna's fin finesse

A new study reveals that tuna's precise control over their fins is enabled by the hydraulic activity of their lymphatic system. This specialization is also observed in other scombrid species, suggesting an evolutionary adaptation to high-performance swimming needs.

Why sugary drinks and protein-rich meals don't go well together

A study published in BMC Nutrition found that consuming sugar-sweetened drinks with high-protein meals reduced fat oxidation, leading to increased fat storage. The researchers also discovered that the combination of a sugary drink and a protein-rich meal increased cravings for savory and salty foods.

Apple iPhone 17 Pro

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

Is mental health associated with perception of nasal function?

A study of preoperative patients for rhinoplasty found that poor mental well-being and low self-esteem are associated with poorer perceptions of nasal function. Patients with good mental health reported better nasal function, regardless of body dysmorphic concerns.

Parents have critical role in preventing teen drinking

A recent study found that parents have a significant impact on their teenagers' decisions regarding alcohol, with parental behavior and attitudes being key factors in preventing or delaying underage drinking. The study suggests that parents should discuss alcohol use with their children, set clear expectations, and avoid binge drinking.

Could sharks help save shipping industry billions?

Researchers are investigating the secrets of sharks' ability to shed slime and biofilms, which could lead to sustainable anti-fouling coatings for ships. The study aims to develop new technologies inspired by nature to mitigate hull fouling and its impact on the environment.

Want to win at sports? Take a cue from these mighty mice

A recent study on California mice found that surges of testosterone before and after aggressive encounters lead to future wins. Winning experiences change the brain's response to testosterone, fueling competitiveness and confidence.

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.

Native leech preys on invasive slug?

Invasive giant slug <i>Limax maximus</i> has spread to Hokkaido, Japan, where it is preyed upon by microphagous leech <i>Orobdella kawakatsuorum</i>. The study reveals that the invasive species feeds on various crops including cucumber and sweet potato.

NASA's Hubble sees martian moon orbiting the Red Planet

The Hubble Space Telescope has captured images of Phobos, the smallest moon in our solar system, as it orbits Mars. Phobos is just 16.5 miles across and completes an orbit in just 7 hours and 39 minutes, faster than Mars' rotation.

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.

Cucumbers in space provide insights on root growth

Scientists have grown cucumbers in space to study the effects of water and gravity on plant roots. In their experiments, they found that water has a greater influence on controlling root growth than gravity, which will help inform future space farming strategies.

Scientists seek to engineer chatter among cells

Researchers at Rice University and the University of Houston are developing mathematical models to understand how cells in large colonies of bacteria communicate with each other. Their goal is to design colonies that can perform computations and make sophisticated decisions, mimicking the ability of tissues to maintain homeostasis.

Researchers discover how CRISPR proteins find their target

Researchers discovered how Cas1-Cas2 proteins insert viral DNA into CRISPR region by relying on flexible Cas1 protein, IHF binding, and DNA bending, allowing proper storage of 'memories' of prior viral infections. This finding opens doors for modification of the proteins to redirect them to other sequences.

Meta Quest 3 512GB

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

3-D imaging of surface chemistry in confinement

Researchers at EPFL's Laboratory for Fundamental BioPhotonics have developed a microscope that can track three-dimensional spatial changes in molecular structure and chemistry of confined systems. The study reveals a remarkable spread in surface reactivity, even on small portions of a capillary, shedding light on the chemical reactivit...

Study finds gene variant increases risk for depression

A University of Central Florida study found that individuals with the Apolipoprotein-E4 gene variant have a 20% greater chance of developing clinically significant depressive symptoms. The research suggests that both ApoE4 and poor vascular health independently increase depression risk, not a compounded effect.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Our brains synchronise during a conversation

Researchers found that brainwaves between conversational partners match each other in a study published in Scientific Reports. This interbrain synchrony may be key to understanding language and social interactions.

Lorenz Studer awarded the 2017 Ogawa-Yamanaka Stem Cell Prize

Lorenz Studer, a renowned stem cell biologist, has been awarded the prestigious Ogawa-Yamanaka Stem Cell Prize for his groundbreaking research on cellular reprogramming and human induced pluripotent stem cells. His work has advanced the therapeutic potential of stem cell-based therapies in Parkinson's disease.

Team traces masculinization in mice to estrogen receptor in inhibitory neurons

Researchers at Cold Spring Harbor Laboratory have identified the specific hormone receptors and brain regions responsible for masculinization in mice. The study found that estrogen receptor alpha is essential in inhibitory neurons for male sexual and aggressive behaviors to emerge, while deleting it had no impact on excitatory neurons.

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.

Holograms taken to new dimension

Researchers have developed a new technology to create inexpensive full-color 2-D and 3-D holograms that are far more realistic, brighter and can be viewed at wider angles than current holograms. The applications for this technology could be wide-ranging, from currency and identification badges to amusement rides and advertisements.

Many men with diabetes experience erectile dysfunction

Erectile dysfunction is common in men with diabetes, affecting over half of cases, according to a review of 145 studies involving 88,577 men. Clinicians should routinely screen for ED in diabetic men, as both conditions increase cardiovascular risks.

Kakadu find confirms earliest Australian occupation

A team of archaeologists has confirmed the existence of Aboriginal people in Australia for at least 65,000 years, significantly earlier than previously believed. The discovery reveals a sophisticated toolkit and evidence of ochre processing techniques, shedding new light on local customs and lifestyle.

Are magnets the secret to Elastigirl's powers?

Nebraska physicist Christian Binek discovered a formula that links magnetism to elasticity and temperature. This finding may enable engineers to design materials with tailored elasticity by manipulating magnetic properties or applying external fields.

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.

Shark scavenging helps reveal clues about human remains

Researchers analyzed shark scavenging behavior to identify marks on human bones, distinguishing them from terrestrial carnivore marks. The study found that shark teeth leave striations, while terrestrial carnivores leave puncture-like marks, providing valuable clues for forensic anthropologists.

High-tech sensing illuminates concrete stress testing

University of Leeds scientists have discovered a way to measure the strength of modern concrete forms using light-refracting coatings. The birefringent coating displays stress positions, allowing researchers to assess concrete toughness against fractures with high precision.

Engineered liver tissue expands after transplant

Researchers have developed a way to engineer liver tissue by organizing tiny subunits that contain three types of cells embedded into a biodegradable scaffold. The engineered livers expanded 50-fold after implantation in mice with damaged livers and performed normal liver functions.

Fluke 87V Industrial Digital Multimeter

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

Study: Supreme Court decision complicates prosecuting child abusers

A recent national survey of over 200 prosecutors found that the Supreme Court's 2004 decision in Crawford v. Washington has had a limited impact on prosecuting child abuse cases. Nearly 42% of prosecutors reported that the need for child testimony and prosecutions decreased, while insufficient physical evidence was the primary reason f...

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.

Scientists shed light on carbon's descent into the deep Earth

Researchers studied iron carbonate under extreme conditions to understand the deep Earth's carbon cycle and its role in global warming. They found unprecedented structural stability of a tetracarbonate phase at high pressures, suggesting self-oxidation-reduction reactions can preserve carbonates in the lower mantle.

New harmless radiopaque glue to seal bleeding and guide surgery

Researchers developed a nanoparticle-based adhesive that exhibits imaging contrast effect in CT and ultrasound, is biocompatible, and ensures accurate target localization during movement. The new glue has shown less toxicity than FDA-approved options and was successfully tested in animal models for various surgical procedures.

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.

Major communication gaps between doctors and home health care nurses revealed

A study by CU Anschutz researchers found serious communication challenges between HHC agencies and physicians following hospital discharge, citing medication list discrepancies, confusion over who wrote patient care orders, and inaccessible hospital records. Improvements in accountability and communication could address these issues an...

UK Biobank partners with the EGA

The UK Biobank is distributing its 500,000-person dataset via the European Genome-phenome Archive (EGA), a resource developed by EMBL-EBI and CRG in Barcelona. This move aims to enable researchers to study human disease causes with maximum efficiency.

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.

UBC researchers test 3-D-printed water quality sensor

Researchers at UBC's Okanagan campus have designed a tiny device that can monitor drinking water quality in real-time, helping protect against waterborne illness. The miniaturized sensors are cheap to make, operate continuously, and can be deployed anywhere in the water distribution system.

How poverty may affect children's behavior

Research found that high-quality parenting reduces disruptive behavior and improves teacher-child relationships in children experiencing homelessness. However, severe poverty may overwhelm parenting's benefits, highlighting the need for interventions targeting both poverty-related risk and child resilience.

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.

Titanium dioxide nanoparticles can exacerbate colitis

Researchers found that titanium dioxide nanoparticles can increase inflammation and damage to the intestinal mucosa in mice with colitis. Patients with colitis are recommended to avoid foods containing E171, a food additive made from titanium dioxide.

Evidence of the Higgs particle's decay in quarks

The study confirms the predicted decay of the Higgs particle into quarks, with a probability of 60% and a signal rate exceeding statistical significance. This discovery has significant implications for understanding the particle's properties and potential deviations from Standard Model predictions.

Sea temperature changes contributing to droughts

A study analyzing sea surface temperatures from 1957-2002 found that fluctuations contributed to persistent droughts in North America and the Mediterranean. The researchers showed that increased variability in ocean temperatures correlated with more extreme land temperature anomalies, leading to prolonged droughts.

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.

Treated hydraulic fracturing wastewater may pollute area water sources for years

Researchers found high concentrations of contaminants, including endocrine disrupting chemicals and carcinogens, in sediments and pore water. The discharge of oil and gas wastewater impacted water quality on a larger scale than previously thought, with contamination detected as far away as 12 miles downstream from treatment plants.