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Science News Archive June 2019 - Page 34


Page 34 of 41

Do we judge chocolate by its wrapper?

A new study found that participants associated stronger emotions with the packaging than the actual taste, affecting their willingness to purchase. The researchers discovered a moderate positive correlation between liking packaging and taste when it was described with positive terms.

SourceElsevier·JournalHeliyon·DateJun 6, 2019

Ultrasound method restores dopaminergic pathway in brain at Parkinson's early stages

Researchers developed a novel technique using transcranial ultrasound and microbubbles to open the blood-brain barrier, enabling drugs to penetrate the brain and restore dopaminergic pathways. The method has been approved by FDA for clinical trials in Alzheimer's patients and shows promise for treating Parkinson's disease at early stages.

SourceColumbia University School of Engineering and Applied Science·JournalJournal of Controlled Release·DateJun 6, 2019

How flow shapes bacterial biofilms

Researchers discover that fluid flow significantly impacts bacterial biofilm architecture, with dense formations in weak flows and sparse colonies in strong ones. This study provides insights into the role of physical principles guiding biofilm organization and its implications for bacterial physiology and evolution.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·DateJun 6, 2019

If you teach them, they will care

Researchers developed an innovative curricular approach to educate undergraduate nursing students in geriatric care, using interactive learning assignments to increase understanding, confidence, and competence. The program was well-received by students and provided them with multiple learning activities to master geriatric content.

SourceFlorida Atlantic University·JournalNurse Educator·DateJun 6, 2019

Shaking up the sloth family tree

New molecular evidence contradicts long-held views on sloth relationships, suggesting that tree sloths and extinct kin are more closely related than previously thought. The research uses both mitochondrial genome and protein collagen data to support convergent origins of adaptations in the six living tree sloth species.

SourceAmerican Museum of Natural History·JournalNature Ecology & Evolution·DateJun 6, 2019

No assumptions needed to simulate petroleum reservoirs

Researchers found that by making the right choices in modeling, temperature gradients can accurately predict pressure and composition changes without assumptions. The study developed an equation to express pressure gradient, which revealed special cases where residual entropy affects pressure gradients.

SourceSpringer·JournalThe European Physical Journal E·DateJun 5, 2019

Telomere length unaffected by smoking

A new meta-analysis of 18 studies found that smoking does not accelerate telomere shortening, challenging the long-held assumption that smoking affects telomere length. Adult telomere length is now considered a static biomarker rather than a dynamic indicator of ageing.

Reducing opioid prescriptions after C-sections

A pain management protocol called Enhanced Recovery After Surgery has been shown to be effective in reducing opioid prescriptions after C-sections. The protocol involves a combination of long-acting opioids and non-narcotic medications to limit inpatient morphine use, resulting in shorter hospital stays and improved patient satisfaction.

SourceMichigan Medicine - University of Michigan·JournalAmerican Journal of Obstetrics and Gynecology·DateJun 5, 2019

Breathing in black carbon from polluted air linked to alterations in lung blood vessels

A new study has found that exposure to diesel pollutants can cause subtle changes in the lungs, making people more prone to developing chronic lung disease. The research, published in the European Respiratory Journal, found that breathing in black carbon from polluted air was associated with an increased volume of peripheral blood vess...

SourceEuropean Respiratory Society·JournalEuropean Respiratory Journal·DateJun 5, 2019

Extending sleep may lower cardiometabolic risk

Extending sleep duration has been associated with improved insulin sensitivity and reduced appetite for sweet and salty foods. Higher total sleep time was linked to lower caloric intake from protein and decreased overall sugar consumption.

SourceWiley·JournalJournal of Sleep Research·DateJun 5, 2019

Honey bee colonies down by 16%

A global survey of 25,363 beekeepers found that honey bee colonies declined by 16%, with higher losses in some regions. Beekeepers who moved their colonies to access other forage or pollination faced fewer losses than those who kept them in the same place.

SourceUniversity of Strathclyde·JournalJournal of Apicultural Research·DateJun 5, 2019

Study compares different strategies for treating insomnia

The study found that individualized therapy approaches such as stimulus control and sleep restriction are effective in treating insomnia, while a combination approach was minimally effective. The research used a strategy focused solely on sleep education and hygiene, which showed minimal impact on symptoms.

SourceWiley·JournalWorldviews on Evidence-Based Nursing·DateJun 5, 2019

New polymer tackles PFAS pollution

A new polymer has been discovered that can effectively remove PFAS from water, reducing the risk of contamination in drinking water sources. The low-cost and environmentally friendly method uses waste cooking oil and powdered activated carbon to purify thousands of liters of water.

SourceFlinders University·JournalACS Sustainable Chemistry & Engineering·DateJun 5, 2019

Pioneering 3D printed device sets new record for efficiency

Researchers at Swansea University have developed a 3D printed thermoelectric device that converts heat into electric power with an efficiency factor of up to 1.7, significantly higher than the previous best for printed materials. The breakthrough could boost energy efficiency in industries with high temperatures, such as steelmaking.

SourceSwansea University·JournalAdvanced Energy Materials·DateJun 5, 2019

Individuals who attempt suicide carry an increased genetic liability for depression, regardless of their psychiatric disorder

A genome-wide association study found that individuals who attempt suicide carry an increased genetic liability for depression, regardless of their underlying psychiatric disorder. The study analyzed the genomes of over 6,500 suicide attempters and 17,000 non-attempters with major depressive disorder, bipolar disorder, or schizophrenia.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalAmerican Journal of Psychiatry·DateJun 5, 2019

Verifying 'organic' foods

Scientists have developed a strategy to determine organic food authenticity by analyzing the metabolites generated within plants when pesticides break down. The technique involves identifying and screening the metabolites of seven common pesticides using ultra-high-performance liquid chromatography and high-resolution mass spectrometry.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateJun 5, 2019

Was Mona Lisa's smile a lie?

Researchers found Mona Lisa's smile was non-genuine due to its asymmetry, indicating a lack of happiness on the right side. The study suggests that Leonardo da Vinci may have deliberately included an asymmetric smile to convey hidden messages or emotions.

SourceUniversity of Cincinnati·JournalCortex·DateJun 5, 2019