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Science News Archive 2015


Page 386 of 402

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.

Two lakes beneath the ice in Greenland, gone within weeks

Researchers have discovered two sub-glacial lakes beneath the ice in Greenland that have rapidly drained away, filling and emptying twice in a matter of years. The sudden disappearance of these lakes raises concerns about the stability of the Greenland Ice Sheet and its potential impact on global sea levels.

Self-assembled nanotextures create antireflective surface on silicon solar cells

Researchers at Brookhaven National Laboratory developed a method to create an antireflective surface on silicon solar cells using self-assembled nanotextures inspired by the structure of moths' eyes. The resulting surface reduces reflections and improves sunlight conversion, outperforming state-of-the-art coatings by up to 20%.

Sequestration on shaky ground

Researchers at MIT found that injected carbon dioxide only partially converts to rock, with the majority remaining in a gaseous form. This limitation poses challenges for long-term sequestration efforts.

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.

More realistic physical activity targets needed, say experts

Research suggests that aiming for 150 minutes of moderate-intensity exercise per week may be unrealistic for some adults, particularly older individuals. Increasing daily physical activity by even small amounts can lead to significant health benefits, as shown in studies of moderate to vigorous exercise.

The path to artificial photosynthesis

Researchers have created an efficient manganese catalyst capable of converting sunlight into chemical energy. The breakthrough, published in the Journal of Materials Chemistry A, paves the way for a continuous and environmentally-friendly storage form of solar energy.

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.

New type of antibiotic resistance living in hiding

Researchers at the University of Copenhagen have found a new type of antibiotic resistance that doesn't rely on genetic mutations. Bacteria can develop resistance to antibiotics without DNA changes by altering their cell wall, making them harder to treat with standard tests.

Stopping cancer in its tracks

A team led by Dr. Andrew Craig is developing inhibitory antibodies targeting key signals that cancer cells require for metastasis. The goal is to identify lead antibodies and test their potency in pre-clinical models to develop new immunotherapies for clinical trials.

Toward a cocaine vaccine to help addicts kick the habit

Scientists develop a new approach to combat cocaine addiction by using a modified bacterial protein to trigger an immune system response. The strategy has shown promise in animal studies, offering hope for the creation of effective vaccines against drug abuse.

Autistic brains go their own way

A new study found that individuals with autism spectrum disorder tend to display uniquely individualistic brain organization patterns. The researchers suggest that these idiosyncrasies may be a result of disrupted interactions with the environment.

Apple iPhone 17 Pro

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

New drug compounds show promise against endometriosis

Researchers have discovered two new drug compounds that target endometriosis by interacting with estrogen receptors, reducing inflammation and tissue growth. The compounds, OBHS and CLI, showed promising results in mouse models and human cell cultures, offering a potential new approach to treating the disorder.

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.

NFCR-supported research finds new way to combat resistant cancers

A team of researchers has developed a platform to rapidly identify effective drug combinations for lung cancer patients with resistant tumors. The NFCR-supported study uses cells taken from patient tumors and treats them with various drug combinations to find the most effective treatments.

Job seekers with 'learning' attitude have more success

A study by University of Missouri and Lehigh University researchers discovered that job seekers with learning goal orientation are more successful in achieving career goals. Individuals with this disposition tend to react to failures by intensifying their search process, while those with low LGO decrease intensity. The study suggests t...

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.

Link found between pain during or after sexual intercourse and mode of delivery

A new study published in BJOG: An International Journal of Obstetrics and Gynaecology found a link between pain during or after sexual intercourse and mode of delivery. Women who had an operative vaginal birth assisted by vacuum extraction, forceps, or caesarean section were at higher risk for persisting dyspareunia. Intimate partner a...

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.

Biological safety lock for genetically modified organisms

Scientists have created a novel biocontainment method by making genetically modified E. coli dependent on a synthetic amino acid, which can only be obtained from laboratory cultures. This approach aims to prevent the bacteria from surviving in open environments and potentially causing ecological harm or contamination.

Concern over skin whitener marketing

A study by James Cook University highlights the growing demand for skin-whitening products in Australia, particularly among Indian women. The marketing of these products perpetuates social and professional success with lighter skin tone, raising moral concerns about cultural values and ethnic stereotypes.

New computation method helps identify functional DNA

A new computational method can identify positions in the human genome that play a role in cell function, revealing insights into genetic regulation and potential applications in personalized medicine. The study found that 4.2 to 7.5 percent of nucleotides in the human genome have influenced fitness since humans diverged from chimpanzees.

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.

A spoonful of sugar in silver nanoparticles to regulate their toxicity

Researchers have discovered that silver nanoparticles' toxicity can be modulated by carbohydrate coatings, according to a recent study published in the Journal of Nanobiotechnology. The study found that glucose-coated silver nanoparticles are more toxic than those coated with galactose or mannose.

New UCLA research suggests walnuts may improve memory

A new study by UCLA researchers found that walnut consumption was associated with improved cognitive function in adults, regardless of age or ethnicity. The study suggests that eating a handful of walnuts daily could help improve cognitive health.

Fatty acids in fish may shield brain from mercury damage

Research in Seychelles finds that fish consumption during pregnancy may offset mercury exposure risks, with polyunsaturated fatty acids (PUFA) counteracting toxic effects. Higher PUFA levels in mothers are linked to better neurological development in children.

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.

Goshawk hunt and prey-evasion strategies revealed

Researchers study goshawk attack tactics, finding birds hold victims in gaze for initial stage before switching to parallel pursuit. Prey evade capture by making sharp sideways turns, exploiting predator's visual guidance.

Seeing is not remembering

Scientists tested 100 undergraduate students in a memory experiment and found that even simple pieces of information were often forgotten when not expected. However, participants performed better when the information was relevant to their current task. This suggests that people's expectations play a significant role in determining what...

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.

Only the lonely...(reveal the secrets of atomic nuclei)

A team of physicists has found that protons and neutrons in large atomic nuclei do not behave as predicted by existing models. The researchers used experimental data from various elements to fit parameters into the current model, showing that quantum effects and nuclear vibrations have a lower impact on individual particles than thought.

Heightened scents: Do ambient fragrances make consumers purchase more?

A new study in the Journal of Marketing shows that the scent surrounding a store atmosphere can influence consumer choices. Researchers found that warm fragrances make consumers perceive crowded spaces, leading them to compensate by buying prestigious items and increasing their purchases overall.

Warmer, drier climate altering forests throughout California

A recent study found that California's forest structure is undergoing changes due to a warmer, drier climate, resulting in the decline of larger trees and an increase in smaller trees. This trend is observed across all regions of the state, with oaks becoming more dominant as pines decline.

Hydrogels deliver on blood-vessel growth

Researchers have created a new hydrogel that can be injected into wounds, forming scaffolds that help them heal quickly. The material promotes angiogenesis, the growth of blood vessels, which is essential for tissue repair and reduces the risk of complications.

Celestron NexStar 8SE Computerized Telescope

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

Time to rethink the inner-city asthma epidemic?

A new study from Johns Hopkins Medicine reveals that urban living is not a significant risk factor for asthma, instead highlighting the importance of poverty, African-American race, and Puerto Rican ethnicity as potent predictors. The research found no differences in asthma rates between children living in urban areas and their suburba...

Harnessing data from Nature's great evolutionary experiment

Researchers at Cold Spring Harbor Laboratory created a new computational method, fitCons, which compares changes in DNA letters across species and within individuals to identify functionally important sequences. The analysis suggests that only about 7% of the human genome is functional.

Geologist who modernized volcanology wins the 2015 Vetlesen Prize

Stephen Sparks has improved our ability to see deadly eruptions coming through his work on volcanic deposits, magma chambers, and pyroclastic flows. His methodical approach has produced a long list of discoveries that have improved practical understanding of volcanic hazards globally.

Fluke 87V Industrial Digital Multimeter

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

'Citizen science' reveals positive news for Puget Sound seabirds

A new analysis of seven years of bird sightings by volunteer birdwatchers found increasing trends for 14 species, including cormorants and harlequin ducks. The study suggests that these birds may be turning the corner, with positive trends also reported in nesting surveys.

Hunger hormone in infancy may link to lifelong obesity risk

A new study reveals that ghrelin, a key regulator of appetite, plays an unexpected role in early brain development and influences long-term appetite regulation. The research suggests a link between gut-brain axis maturation and later susceptibility to obesity, diabetes, and cardiovascular disease.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

A chemical modified version of the second messenger cAMP

Scientists create a chemical modified version of second messenger cAMP that selectively activates only Epac2, one of several proteins involved in insulin secretion. The analogue activates Epac2 more potently than cAMP itself, offering insights into the protein's function and potential as a pharmacological target.

Use of sedation protocol does not reduce time on ventilator for children

A new study published in JAMA found that a nurse-implemented sedation protocol did not reduce the duration of mechanical ventilation in children. The protocol aimed to provide targeted sedation and adjust doses every 8 hours, but it had no significant impact on time on ventilator or recovery from acute respiratory failure.

Working collaboratively may help reduce medical errors

A study found that working collaboratively improved medical students' diagnostic accuracy, with pairs of students outperforming individuals in selecting correct diagnoses. The collaboration also led to longer completion times but more confident decisions.

Atoms can be in 2 places at the same time

Researchers at the University of Bonn have shown that cesium atoms can indeed take two paths at the same time, contradicting the macro-realistic view. The team's experiment uses optical tweezers to manipulate a single Caesium atom and measures its final position indirectly.

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.

Laser-generated surface structures create extremely water-repellent metals

Researchers at the University of Rochester have developed a method to create extremely water-repellent metals using lasers, which can lead to efficient solar absorbers and self-cleaning surfaces. The technique creates multifunctional surfaces with both super-hydrophobic and highly-absorbent optical properties.