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Science News Archive 2018


Page 215 of 473

Warming rivers make marked contribution to global greenhouse gas levels

A new study reveals that warming streams and rivers can significantly increase greenhouse gas emissions, particularly in agricultural lowland areas. The research highlights the need for land management strategies to reduce sediment rich in organic matter content and decrease groundwater abstraction.

HIV infection doubles risk of heart disease, global study finds

A global study found that people infected with HIV are twice as likely to suffer from heart disease, with the greatest impact in sub-Saharan Africa and Asia Pacific regions. The study highlights the need for targeted treatments to maximize resources in countries with limited healthcare funding.

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.

Cannabinoids may have a vast array of anti-cancer effects

A review of cannabinoids suggests they can stop cancer cells from dividing and invading normal tissue. Cannabinoids may also enhance the immune response against tumor growth and spread, providing potential new treatment options for cancer patients.

Link found between bitter-taste sensitivity and cancer risk

Researchers found that older women with high bitter-taste sensitivity had a significantly higher cancer risk, despite not consuming fewer vegetables. The study suggests that the relationship between bitter-taste sensitivity and cancer may relate more to overall diet quality than just vegetable consumption.

New retinal ganglion cell subtypes emerge from single-cell RNA sequencing

A team of researchers has identified 40 new subtypes of retinal ganglion cells, shedding light on the molecular differences that distinguish them. The study, published in Nature Communications, provides a detailed census of RGCs and demonstrates the importance of single-cell RNA sequencing in understanding cell type identity.

Apple iPhone 17 Pro

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

Research brief: UMN researchers develop DIY field imaging system

Researchers have developed a low-cost, open-source field imaging system that enables real-time tracking of plant movement and lodging resistance. The system uses commercial hardware and electronics to capture high-quality videos of plant movement under windy conditions.

Scientists lack vital knowledge on rapid Arctic climate change

A comprehensive review study found that only two research stations account for 30% of cited studies in the Arctic region. The researchers highlight under-sampling of rapidly warming sites, particularly in the Canadian high-Arctic archipelago and Russia's Arctic coastline.

Origami-inspired device helps marine biologists study aliens

Researchers at Harvard University have developed an origami-inspired device, RAD, that can capture delicate sea creatures like jellyfish, squid, and octopuses without harming them. The device uses a folding polyhedral enclosure to trap organisms, allowing scientists to collect data and then release them unharmed.

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.

UM professor studies complexities of biodiversity, disease transmission

A University of Montana researcher found that species diversity can have both a dilution effect and an amplification effect on disease transmission. In areas with more diverse rodent communities, hantavirus prevalence among deer mice decreases, but as rodent species diversity increases, infection spreads faster

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.

A safe and effective way to whiten teeth

Researchers have developed a new, less destructive teeth whitening method using blue light-activated nanoparticles. The treatment showed similar whitening levels to hydrogen peroxide-based agents without enamel damage or cytotoxicity. Additionally, the therapy demonstrated antibacterial activity against certain bacteria.

Social Impact Bonds have a role but are no panacea for public service reform

A new study by the London School of Hygiene & Tropical Medicine found that Social Impact Bonds (SIBs) have a role in developing outcome-based contracting but are not a panacea for public service reform. SIBs were shown to be effective in providing personalized support and flexibility, but their impact on cost savings is limited.

Water may be key to understanding sweetness

A study by Maria Antonietta Ricci and colleagues found that fructose forms the shortest and strongest hydrogen bonds with water, allowing it to bind more snugly with protein receptors. This interaction enables greater stimulation and perception of sweetness. Mannose, on the other hand, forms longer and weaker hydrogen bonds with water.

Study results may lead to improved diagnostics for breast cancer

Researchers analyzed protein and RNA from routine breast cancer tests to distinguish between cancer and benign lesions, yielding 100% accurate results. This method may also aid in subtyping breast cancer, determining therapy options, and monitoring disease progression.

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.

Princeton's McComas will lead IMAP, a NASA mission to study the heliosphere

The Interstellar Mapping and Acceleration Probe (IMAP) mission will investigate the heliosphere, surrounding our solar system, and collect data on particle acceleration and interaction with interstellar medium. The $492-million mission includes 10 instruments to resolve scientific questions about the solar wind and cosmic rays.

Doing school differently

The not-school movement is an alternative approach to education that recognizes individual learning needs and talents, providing options for students who struggle in traditional school environments. This movement emphasizes the importance of creativity, innovation, and real-world experience in education.

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.

Splitting water: Nanoscale imaging yields key insights

Berkeley Lab researchers have pioneered a nanoscale imaging technique to understand how local properties affect a material's macroscopic performance in water splitting. The study reveals heterogeneity in charge utilization, which may account for the material's efficiency.

Timing of dinner may affect breast and prostate cancer risk

A new study found that eating an early supper and having a long interval between the last meal and sleep are associated with lower breast and prostate cancer risks. Participants who had supper before 9pm or slept 2 or more hours after supper had a reduced risk of developing these cancers.

Celestron NexStar 8SE Computerized Telescope

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

Lowering hospitals' Medicare costs proves difficult

A new study found that a bundled-payment system did not lower Medicare costs for patients hospitalized for serious medical conditions. Despite providing financial incentives, hospitals saw no significant reductions in costs, with average costs remaining largely unchanged.

Fluke 87V Industrial Digital Multimeter

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

An underwater pokéball for capturing sea creatures

Researchers at Harvard University's Wyss Institute develop a novel, folding polyhedron sampler that safely traps soft-bodied sea creatures like jellyfish and squid. The RAD sampler uses a simple, modular design to capture organisms in their natural habitats without harm.

Money talks when trying to influence climate change legislation

A new analysis reveals that lobbyists spent over $2 billion on influencing climate-related legislation in the US Congress between 2000 and 2016. The electrical utilities sector and fossil fuel companies dominated climate lobbying efforts, with spending peaking at $362 million in 2009.

Artery hardening and thickness not affected by stopping hormone therapy

A new study, based on a subgroup of KEEPS participants, found no effects of hormone therapy cessation on carotid artery intima-media thickness. The results support the use of hormone therapy for menopause symptom relief or bone loss prevention, with potential benefits on heart disease reduction.

Novel botulinum toxin compound relieves chronic pain

A modified botulinum toxin compound Derm-BOT successfully targets and silences pain signals from neurons in the spinal cord of mice, providing long-lasting pain relief. The compound is non-toxic, safe to manufacture, and avoids adverse effects associated with opioids.

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.

Breath tests may allow for earlier detection of pancreatic cancer

A new study published in the British Journal of Surgery found that breath analyses can identify pancreatic cancer compounds. Researchers detected 12 specific volatile organic compounds indicative of pancreatic cancer, offering potential for early detection and treatment.

Scientists uncover DNA 'shield' withcrucial roles in normal cell division

A team of researchers has uncovered a new protein complex called Shieldin that plays a critical role in normal cell division and cancer treatment. The complex shields broken DNA ends and controls the type of DNA repair system used by cells, making it vulnerable to targeting by PARP inhibitors and platinum-based chemotherapies.

NASA's new mini satellite will study Milky Way's halo

HaloSat mission aims to search for the universe's missing matter by studying X-rays from hot gas surrounding the Milky Way galaxy. The satellite will help determine if the diffuse galactic halo is shaped more like a fried egg or a sphere, which will impact our understanding of the universe's mass and composition.

Discovering structure in the outer corona

A team of scientists led by Craig DeForest used advanced algorithms and data-cleaning techniques to analyze images taken by NASA's STEREO spacecraft. They discovered fine-grained structures in the outer corona, which is the source of the solar wind. The study provides new insights into the Sun's million-degree atmosphere.

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.

Bacterial armor could be a new target for antibiotics

Researchers have discovered that the outer membrane of bacteria like E. coli can act as a strong physical barrier protecting the cell, making it a potential target for new antibacterial drugs. This finding suggests a new approach to fighting infections in roughly half of all bacterial species.

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.

Innate stress

A study found that the monoamine oxidase A gene is linked to self-assessed well-being and stress levels among men. The researchers suggest that genetics can influence social phenomena, and this connection may be significant for understanding human behavior.

Allergies: Mugwort pollen as main source of airborne endotoxins

A recent study by TUM and HMGU researchers found that mugwort pollen is the primary vector for bacteria, releasing endotoxins that trigger severe respiratory problems in asthma sufferers. The research team discovered a clear correlation between mugwort pollen and bacterial toxins in both urban and Alpine regions.

Sunscreen reduces melanoma risk by 40 per cent in young people

A world-first study found that regular sunscreen users in childhood reduced their risk of developing melanoma by 40 percent. The study analyzed data from nearly 1700 people and showed that sunscreen use was protective against melanoma in young people under 40 years old.

Neurons can carry more than one signal at a time

Researchers from Duke University found that single neurons can switch between encoding information for two different sounds, suggesting a potential explanation for how the brain processes complex information. The study's results may also shed light on perceptual and cognitive limitations.

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.

Alcohol-related cirrhosis deaths skyrocket in young adults

A new study reveals a significant increase in liver deaths due to cirrhosis among young adults, with the highest fatalities among whites, American Indians, and Hispanics. The rise is attributed entirely to alcohol-related liver disease, highlighting the need for prevention strategies such as taxes on alcohol and reducing marketing.

'Greener' ways to color clothes

The textile industry is exploring alternative coloring methods that minimize environmental impact, with companies developing dyes that require less water and energy. Innovative approaches like inkjet printing and microbial fermentation are being tested to create more sustainable fashion.

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.

Solar thermal energy will help China cut costs of climate action

A recent study suggests that Concentrated Solar Power (CSP) can be the key to China meeting its climate commitments. CSP can store energy relatively inexpensively and dispatch it day or night, making it a more cost-effective option than traditional renewable energy sources like wind power and PV. The study found that substituting CSP f...

Study reveals benefits of yoga for pregnant women

A new study reveals that practicing yoga during pregnancy activates the parasympathetic nervous system, leading to improved sleep quality and reduced stress levels. The research also found a decrease in alpha-amylase levels, indicating a reduction in stress response.

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.