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Science News Archive 2014 - Page 40


Page 40 of 376

Cell study sheds light on diseases caused by immune system fault

A cell study has uncovered a gene mutation that causes the immune system to mistakenly attack the body, leading to diseases like Lupus and Motor Neurone Disease. Researchers found that a defect in an alarm system protects the body from viruses and other infections.

SourceUniversity of Edinburgh·JournalCell Reports·DateNov 18, 2014

Unexpected cross-species contamination in genome sequencing projects

Researchers discovered contaminating bacterial and viral sequences in animal and plant genomes, highlighting the importance of careful screening. The study found unexpected DNA mixtures, including cow and sheep DNA in a supposedly finished genome, emphasizing the need for rigorous data analysis.

SourcePeerJ·JournalPeerJ·DateNov 18, 2014
Apple iPhone 17 Pro

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

US radiology departments prepare for Ebola

Radiologists have issued a special report on radiology preparedness for handling cases of Ebola virus, outlining protocols and recommendations for healthcare administrators. The report emphasizes the importance of clear communication, proper equipment use, and specialized isolation units to prevent infection of medical personnel.

SourceRadiological Society of North America·JournalRadiology·DateNov 18, 2014

Jurassic climate of large swath of western US was more complex than previously known

A new study has found that the climate of a large swath of the western United States during the Jurassic period was more complex than previously thought. Geochemical analysis of ancient soils revealed an abrupt change from dry to wet environments, contradicting the long-held assumption of a gradual transition.

SourceSouthern Methodist University·JournalGeological Society of America Bulletin·DateNov 18, 2014

Taking antibiotics during pregnancy increases risk for child becoming obese

A recent study by Columbia University's Mailman School of Public Health found that children exposed to antibiotics in the second or third trimester of pregnancy had a higher risk of childhood obesity at age 7. Additionally, delivery by Caesarean section was also associated with a higher risk of childhood obesity.

SourceColumbia University's Mailman School of Public Health·JournalInternational Journal of Obesity·DateNov 18, 2014

History's lesson reveals depth of fish catch decline

Researchers analyzed thousands of newspaper articles to reveal a significant decline in Queensland's pink snapper fishery catch rates, from hundreds of fish per hour to just one-ninth of historical levels. This study provides unparalleled insights into the history of the fishery and helps understand changes over time.

SourceARC Centre of Excellence for Coral Reef Studies·JournalFish and Fisheries·DateNov 18, 2014
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.

Clean energy 'bio batteries' a step closer

Researchers at the University of East Anglia have made a significant discovery in bio battery technology, enabling the generation of clean energy from bacteria. The study reveals how electrons hop across bacterial proteins and find that the rate of electrical transfer is dependent on protein orientation and proximity.

SourceUniversity of East Anglia·JournalJournal of The Royal Society Interface·DateNov 18, 2014

Low vitamin D levels increase mortality

A recent Danish study establishes a causal relationship between low vitamin D levels and increased mortality, with a 30% higher risk of cancer-related deaths. Vitamin D deficiency is often associated with poor bone health, but this study highlights its role in other diseases and mortality rates.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalThe BMJ·DateNov 18, 2014
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.

Computer model sets new precedent in drug discovery

A new computational model helps researchers rationally design and select protein molecules to create effective biologic drug therapies with reduced side effects. The model reveals that the length of a DNA linker influences how well fusion protein components attach to their intended receptors.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalBiophysical Journal·DateNov 18, 2014

Using technology to decrease the knowledge gap between Ugandan men and women

A University of Illinois study found that combining video and lecture-demonstration training methods significantly narrowed the gender knowledge gap. Video training alone improved women's knowledge scores but did not close the gap between them and men.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of International Agricultural and Extension Education·DateNov 18, 2014
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.

Warmer temperatures limit impact of parasites, boost pest populations

Research from North Carolina State University found that warmer urban temperatures limit the impact of parasitoid wasps on scale insect populations, allowing them to thrive and produce more eggs. This phenomenon, known as phenological mismatch, is a result of changing life cycles between species.

SourceNorth Carolina State University·JournalBiology Letters·DateNov 18, 2014

Two sensors in one

New nanoparticles can perform magnetic resonance imaging (MRI) and fluorescent imaging simultaneously, allowing for the tracking of specific molecules produced in the body. The particles were demonstrated to detect vitamin C in mice, showing strong fluorescent signals where vitamin C is present but little MRI contrast.

SourceMassachusetts Institute of Technology·JournalNature Communications·DateNov 18, 2014

Research provides new insight into gluten intolerance

A Danish/Norwegian research team has discovered new details about celiac disease, potentially leading to the development of a drug against the disease. The study reveals how antibodies react to an enzyme in the body and how it changes shape in response to environmental stimuli.

SourceUniversity of Southern Denmark·JournalProceedings of the National Academy of Sciences·DateNov 18, 2014
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.

High incidence of bowel disease seen in people with lung conditions

Research found that people with asthma had a 27% higher incidence of Crohn's disease, while those with COPD had a 55% higher incidence compared to the general population. The study highlights the importance of early detection and treatment of bowel diseases in airway patients.

SourceEuropean Respiratory Society·JournalEuropean Respiratory Journal·DateNov 18, 2014
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.

As temperatures rise, soil will relinquish less carbon to the atmosphere than predicted

A new computer model developed by researchers from the Lawrence Berkeley National Laboratory predicts that warming temperatures will return less soil carbon to the atmosphere than previously thought. The model takes into account the complex interactions between soil microbes and their surroundings, which vary over time and place.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Climate Change·DateNov 17, 2014

Creating trust in the time of Ebola

A study by Johns Hopkins Bloomberg School of Public Health researcher Timothy Roberton found that a lack of trust among community members and frontline health workers contributed to the spread of Ebola. In Guinea, villagers refused to listen to public health messages, ignoring advice on how to protect themselves from the disease.

SourceJohns Hopkins Bloomberg School of Public Health·DateNov 17, 2014

Middle managers and hermit crabs

Research finds middle managers are less likely to share their ideas with superiors as organizational hierarchy increases, leading to a lack of control and evaluation apprehension. The study suggests that top management can adjust the idea funnel to promote or counterbalance employee behavior.

SourceUniversity of California - Riverside·JournalStrategic Management Journal·DateNov 17, 2014

New paper identifies virus devastating sea stars on Pacific Coast

A new virus, Sea Star Associated Densovirus (SSaDV), has been identified as the cause of a widespread disease affecting sea stars along the Pacific Coast. The study found that the virus was present in museum specimens dating back to 1942 and had likely existed at low levels for over 72 years.

SourceNatural History Museum of Los Angeles County·JournalProceedings of the National Academy of Sciences·DateNov 17, 2014
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.

State-of-the-art integrated imaging system allows mapping of brain cells responsible for memory

Researchers developed an advanced imaging system to identify cells storing memory in a tiny worm, offering a new way to investigate molecular substrates of memory. The study may lead to understanding how memory loss occurs in humans and potentially develop therapies for memory disorders.

SourceInstitute for Integrated Cell-Material Sciences, Kyoto University·JournalProceedings of the National Academy of Sciences·DateNov 17, 2014

Penn engineers efficiently 'mix' light at the nanoscale

Researchers at Penn have engineered a nanowire system that can combine two light waves to produce a third with a different frequency, using an optical cavity to amplify the intensity of the output. The system achieved high efficiency in mixing frequencies, enabling fundamental computation capabilities.

SourceUniversity of Pennsylvania·JournalNature Communications·DateNov 17, 2014

Women's fertility linked to detox element in diet

Researchers have found that selenium and selenoproteins are at elevated levels in large, healthy ovarian follicles, playing a critical role as an antioxidant during follicle development. This discovery could lead to better understanding of how to optimize selenium levels to improve women's chances of conceiving.

SourceUniversity of Adelaide·JournalMetallomics·DateNov 17, 2014
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.

Study on hospital stays contributes to Hispanic Paradox

A new study by researchers from the University of North Texas found that Hispanics were hospitalized significantly fewer days during a 12-month period compared to non-Hispanic whites and blacks, and were more likely to survive hospital stays. This discovery contributes to the Hispanic Mortality Paradox, where Hispanics tend to outlive ...

SourceUniversity of North Texas·JournalJournal of Latina/o Psychology·DateNov 17, 2014

Physicians prescribe less brand name drugs when EHR default settings show generics first

A study found that programming electronic health records to make generic drugs the default choice increases generic medication prescribing rates, leading to cost savings and reduced healthcare spending. The intervention was effective in both ambulatory clinics and did not require additional effort from physicians.

SourceUniversity of Pennsylvania School of Medicine·JournalAnnals of Internal Medicine·DateNov 17, 2014

New insights that link Fragile X syndrome and autism spectrum disorders

Scientists have pinpointed a novel role of FMRP in the embryonic development of the brain cortex, leading to delays in proper formation and affecting postnatal life and brain connectivity. The study may provide insights into cellular mechanisms affected in patients with Fragile X syndrome and autism spectrum disorders.

SourceVIB (the Flanders Institute for Biotechnology)·JournalNature Neuroscience·DateNov 17, 2014
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.

Evolutionary constraints revealed in diversity of fish skulls

A new study found that eels' biting behavior led to remarkable diversification of skull shapes, whereas suction feeding constrains most fish. The research mapped out evolutionary relationships among eel species and their relatives to understand the factors promoting morphological diversity.

SourceUniversity of California - Santa Cruz·JournalNature Communications·DateNov 17, 2014

UTHealth smoking study: Financial incentives double quit rates

Researchers found that small financial incentives doubled smoking cessation rates among socioeconomically disadvantaged smokers. The study, published in the American Journal of Public Health, suggests that such programs could be a cost-effective solution to reduce smoking-related illnesses.

SourceUniversity of Texas Health Science Center at Houston·JournalAmerican Journal of Public Health·DateNov 17, 2014

New genetic cause for rare form of epilepsy identified

Researchers have discovered a single mutation in a gene that explains a significant proportion of unsolved cases of progressive myoclonus epilepsy. The mutation disrupts brain signal transmission, leading to epileptic seizures and muscle twitching starting in childhood.

SourceUniversity of Melbourne·JournalNature Genetics·DateNov 17, 2014

Subtle shifts in the Earth could forecast earthquakes, tsunamis

A University of South Florida-led team has discovered that subtle shifts in the earth's offshore plates can predict the size of future disasters. The researchers used high precision GPS to measure slight shifts on a fault line in Costa Rica, finding that slow slip events can release stress and strain before major earthquakes and tsunamis.

SourceUniversity of South Florida (USF Health)·JournalProceedings of the National Academy of Sciences·DateNov 17, 2014
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.

News from Nov. 18 Annals of Internal Medicine Supplement

Researchers found that smartphone apps designed for weight loss were unlikely to produce substantial weight loss in obese patients, highlighting the need for more engaging and time-efficient tools. Meanwhile, a study showed that offering a one-in-ten chance of winning $50 increased colon cancer screening rates by 20% compared to other ...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 17, 2014
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 suggests home cooking is a main ingredient in a healthier diet

A new study by Johns Hopkins Bloomberg School of Public Health researchers suggests that people who cook meals at home tend to eat healthier and consume fewer calories. Those who frequently cook at home also tend to rely less on frozen foods and fast food, even when eating out.

SourceJohns Hopkins Bloomberg School of Public Health·JournalPublic Health Nutrition·DateNov 17, 2014

NASA sees the Southern Indian Ocean cyclone season awaken

The first tropical cyclone of the Southern Indian Ocean cyclone season has formed over 300 miles from Diego Garcia. The storm, named Adjali, is moving east-southeast at 3 knots and expected to intensify before weakening around La Reunion Island.

SourceNASA/Goddard Space Flight Center·DateNov 17, 2014

A new genetic cause for a progressive form of epilepsy identified

A new gene has been identified as the genetic cause of a progressive form of epilepsy in nearly one-third of patients. The mutation affects a potassium channel encoding gene KCNC1, which disrupts signal transmission in the brain and causes epileptic seizures and myoclonus.

SourceUniversity of Helsinki·JournalNature Genetics·DateNov 17, 2014

Vital exhaustion may raise risk of first-time cardiovascular disease

Researchers found a significant association between vital exhaustion and an increased risk of developing first-time cardiovascular disease. Vital exhaustion, characterized by fatigue, irritability, and demoralization, was linked to a 36 percent higher risk of heart disease in healthy individuals.

SourceAmerican Heart Association·DateNov 17, 2014
Meta Quest 3 512GB

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

Symmetrical knees linked to Jamaican sprinting prowess

A Rutgers-led study measures symmetry in elite track and field athletes, finding that symmetrical knees are associated with better times. The researchers discovered that the knees of Jamaican sprinters were more symmetrical than those of non-sprinting Jamaicans, with the most symmetrical knees belonging to 100-meter specialists.

SourceRutgers University·JournalPLOS ONE·DateNov 17, 2014

Graphene/nanotube hybrid benefits flexible solar cells

Rice University scientists have developed a novel cathode for dye-sensitized solar cells using graphene/nanotube hybrids, improving efficiency and reducing costs. The new material has a huge surface area, allowing for more efficient electron transfer and better contact with the electrolyte.

SourceRice University·JournalJournal of Materials Chemistry A·DateNov 17, 2014
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.

Research suggests warmth, flowing water on early Mars were episodic

Scientists found that ancient rivers, streams, and lakes on Mars were likely formed during brief periods of volcanic activity, warming the planet enough for water to flow. This challenges previous climate models suggesting a cold and ice-covered world, instead proposing a more complex history with episodic heating and melting.

SourceBrown University·JournalNature Geoscience·DateNov 17, 2014

Finding 'lost' languages in the brain

Researchers at McGill University found that infant experiences shape the unconscious brain, influencing adult development even after years of disuse. The study used functional MRI scans to compare brain activation patterns in girls with unilingual French-speaking families versus those adopted from Chinese-speaking families.

SourceMcGill University·JournalProceedings of the National Academy of Sciences·DateNov 17, 2014

Spice up your memory

A study published in the Asia Pacific Journal of Clinical Nutrition found that adding one gram of turmeric to breakfast improved working memory in older adults with pre-diabetes. The spice's active compound, curcumin, has been shown to reduce the risk of dementia and improve cognitive function.

SourceMonash University·JournalAsia Pacific Journal of Clinical Nutrition·DateNov 17, 2014

Most people would rather harm themselves than others for profit

A UCL-led experiment found that people are willing to inflict an average of 20p per shock on themselves and 40p per shock on strangers in exchange for money, highlighting a surprisingly optimistic view of human nature. This contradicts previous studies claiming humans prioritize their own interests over others.

SourceUniversity College London·JournalProceedings of the National Academy of Sciences·DateNov 17, 2014