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Science News Archive May 2015


Page 10 of 31

Snacking on protein can improve appetite control and diet quality in teens

Researchers found that afternoon snacking on high-protein-soy foods reduces afternoon appetite, delays subsequent eating, and reduces unhealthy evening snacking in teenagers. Additionally, high-protein snacks improved mood and cognitive function, incorporating more protein throughout the day and consuming less dietary fat.

Apple iPhone 17 Pro

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

New model predicts fish population response to dams, other ecological factors

Researchers developed a model to assess how dams affect sea-run fish populations, finding that abundance and distribution increased when mainstem dams were removed or passage efficiency improved. The model can predict ecological responses of fish populations and evaluate management actions for fish migrating between fresh and saltwater.

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.

Anti-stroke drug effective treatment for middle-ear infections, researchers say

Researchers at Georgia State University found that an existing anti-stroke drug, Vinpocetine, is effective in suppressing mucus overproduction and improving bacterial clearance in animal studies. The study could lead to a novel, non-antibiotic treatment for otitis media, potentially reducing hearing loss and enhancing host defense.

Tara Oceans expedition yields treasure trove of plankton data

The Tara Oceans expedition has cataloged over 35,000 planktonic samples from 210 stations worldwide, uncovering a vast reservoir of uncharted genetic diversity in marine plankton communities. Ocean temperatures appear to be the main factor driving plankton community makeup.

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.

Toward 'green' paper-thin, flexible electronics

Scientists have created a light-emitting, transparent and flexible paper out of biocompatible materials, a significant step towards bendable electronics. The innovation uses wood flour and quantum dots made from zinc and selenium, offering a 'greener' alternative to traditional plastics.

One simple molecule regulates sexual behavior in Drosophila

Researchers have identified a relatively simple molecule called methyl laurate that regulates complex mating behavior in vinegar flies. Methyl laurate is detected by specific neurons and triggers courtship behavior in males, while also activating circuits involved in aggregation.

Supernova hits star, results shocking

A team of astronomers witnessed a supernova smashing into a nearby star, creating an ultraviolet glow that reveals the size of the companion. The study provides new insights into the origin of type Ia supernovae.

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.

Robotic sonar system inspired by bats

Engineers at Virginia Tech have created a novel dynamic sonar system inspired by horseshoe bats that can navigate complex environments with ease. The system uses two receiving channels and one emitting channel to replicate the key motions in the bat's ears and nose, reducing power consumption and computing resources.

Measuring air quality effects of natural gas extraction in Marcellus Shale region

A Drexel University team conducted a mobile air quality monitoring campaign to assess the impact of natural gas extraction on air quality in the Marcellus Shale region. The study found relatively small increases in air pollutants such as nitrogen oxides and volatile organic chemicals, with elevated ultrafine particles from compressor s...

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.

Researchers develop new way to manufacture nanofibers

The University of Georgia has developed a new, affordable way to create nanofibers by using magnetospinning. This process allows the production of high-quality nanofibers with various materials embedded within them, such as live cells, drugs, and proteins.

Public not being informed about dangers of medical overdiagnosis

A national survey found that only one in ten Australians report being told about the risk of overdiagnosis by their doctors, while over 90% believe people should be informed. Overdiagnosis occurs when someone is diagnosed with a disease that will never cause harm due to unnecessary labelling and treatment.

Study: Include men in osteoporosis screening guidelines

A recent study found that one in four men over 50 will break a bone due to osteoporosis, surpassing prostate cancer incidence rates. The research suggests adding men to osteoporosis screening guidelines to address the high likelihood of vertebral fractures and low bone density.

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.

Kidney failure impacts survival of sepsis patients

Duke University researchers identified physiological changes affecting patients with acute kidney injury during sepsis treatment, potentially improving patient survival rates after kidney failure. The study showed that kidney function is a critical determinant of how patients respond to treatment.

Uncovering the mysteries of cosmic explosions

The team discovered supernova iPTF 14atg using an automated software system that separates real astronomical transients from false detections. The system uses machine learning technology to identify events of astrophysical origin.

Regrets? Opting out of clinical trials may prompt more than a few

Women who participate in clinical trials are more likely to experience positive emotions and fewer negative emotions than those who do not. The study suggests that recruiters should disclose the potential for regret and other negative feelings when participants opt out, to increase enrollment.

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.

Paracetamol in pregnancy may lower testosterone in unborn boys

Research suggests that prolonged paracetamol use during pregnancy may reduce testosterone production in unborn baby boys, potentially linked to reproductive health problems later in life. The study found a 45% decrease in testosterone levels after seven days of exposure.

New studies contradict earlier findings on Rett syndrome

Researchers at the University of Iowa found no benefit from bone marrow transplantation in mice models of Rett syndrome, contradicting earlier findings. The study suggests that the initial results were due to factors other than those considered in the new experiment.

Scientists tackle mystery of thunderstorms that strike at night

Researchers will use lab-equipped aircraft, ground-based instruments, and weather balloons to understand nighttime storm formation and evolution. The goal is to improve forecasts of damaging storms and provide insights into atmospheric conditions that lead to storm clustering and organization.

Male Java sparrows may 'drum' to their songs

Researchers found that male Java sparrows synchronize their bill-clicking sounds with the melody of their song, similar to human percussionists. This behavior suggests that birds may have an innate ability to produce and coordinate non-vocal sounds with vocalizations.

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.

New technology could fundamentally change future wireless communications

Researchers from the University of Bristol have developed a new technique to estimate and cancel out interference in radio transmission, allowing for full-duplex communication on a single channel. This innovation has the potential to double Wi-Fi capacity and increase data rates in cellular systems.

Mothers of sons more likely to develop diabetes during pregnancy

Women who were having sons were more likely to develop gestational diabetes than women who were pregnant with daughters. Women who developed gestational diabetes while pregnant with daughters were at higher risk of being diagnosed with Type 2 diabetes after pregnancy.

Natural plant chemicals could help fight tooth decay, study shows

A study published in Chemical Communications suggests that a natural plant chemical called trans-chalcone can help prevent tooth decay. By blocking the action of an enzyme that allows bacteria to thrive, researchers found that trans-chalcone prevents the formation of plaque and biofilms around teeth.

Study shows Colorado's biggest storms can happen any time

A new study shows that Colorado's extreme precipitation events can happen in any season and at all elevations across the state. The research found that high-elevation intense precipitation events have occurred in all months of the year, including summer, when that precipitation is more likely to be rain and therefore more of a flood risk.

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.

Resolving a lymphatic riddle

Weizmann Institute researchers resolved the debate on lymphatic system origins, discovering that lymphatic cells grow from a niche within embryonic veins. They also identified a key gene, WNT5B, which prompts stem cells to differentiate into lymphatic cells.

Scientists discover world's oldest stone tools

The discovery of stone tools in northwestern Kenya pushes the known date back by 700,000 years and may challenge the notion that modern humans' ancestors were the first to create such tools. The tools suggest an earlier group of proto-humans may have had the thinking abilities needed to figure out how to make sharp-edged tools.

Galaxy's snacking habits revealed

A team of astronomers discovered a spiral galaxy devouring a nearby compact dwarf galaxy and found remnants of previous galactic snacks. The study used ground and space-based telescopes to measure chemical enrichment in the gas across the entire face of NGC 1512.

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.

Taking control of light emission

By pairing graphene and hexagonal boron nitride, researchers can control light waves and create unique optical materials. This enables the development of tiny optical waveguides and new applications in infrared spectroscopy and imaging devices.

New class of swelling magnets have the potential to energize the world

Researchers at Temple University and the University of Maryland have discovered a new class of non-Joulian magnets that expand their volume when placed in a magnetic field. These magnets can generate negligible amounts of wasteful heat during energy harvesting, making them ideal for creating compact omnidirectional actuators.

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.

Study finds biomarker may boost ovarian cancer chemotherapy response

Researchers at MD Anderson Cancer Center have identified a biomarker that may boost the response to chemotherapy in patients with ovarian cancer. The study found that miR-506 was associated with improved responses to chemotherapy drugs cisplatin and olaparib, leading to better overall survival.

Seeing without eyes

Researchers found that octopus skin can sense light changes without central nervous system input, using the same opsin proteins as its eyes. This allows for a response to brightness and color, enabling camouflage and communication. The discovery has implications for understanding cephalopod behavior and evolution.

New music strategy shows 70 percent increase in exercise adherence

A new study shows that personalized music playlists with tempo-pace synchronization can significantly increase exercise adherence in cardiac rehabilitation patients, with an average of 105.4 minutes more exercise per week. This approach has the potential to improve long-term survival and life expectancy for these patients.

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.

Common mutation linked to heart disease

A study found that a common mutation in the SCARB1 gene is associated with an increased risk of heart disease, especially among men and African Americans. The mutation was linked to a 49% higher risk of heart disease in African American males compared to white males.

Fluke 87V Industrial Digital Multimeter

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

A statistical study of first-year college rape

A statistical study of first-year college rape found that 18.6% of freshmen women experienced completed or attempted rape, with a significant increase in risk among women who had previously been victimized. The study emphasizes the need for colleges to develop effective prevention and counseling programs.

What happens inside a membrane

Researchers at SISSA have developed a novel method to analyze the structure of biological proteins immersed in their physiological context. This technique allows for excellent spatial resolution and study of molecules in their natural environment, providing new insights into the opening/closing mechanism of major ion channels. The stud...

Physicians can play key role in preventing foodborne illness

The University of Georgia's Michael Doyle emphasizes the importance of clinicians educating patients on food safety practices to prevent illnesses. The US is facing challenges such as an aging population and imported foods from other countries that may not adhere to sanitary standards, making prevention crucial.

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.