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Science News Archive 2019 - Page 220


Page 220 of 486

Jumbo squid mystery solved

A Stanford-led study identifies shifting weather patterns and ocean conditions as contributing factors to the collapse of Mexico's jumbo squid fishery. The research found that warmer waters led to smaller, less profitable squid, shutting down the entire industry in the Gulf of California.

SourceStanford University·JournalICES Journal of Marine Science·DateJul 18, 2019

Simulations fix the cracks in magnetic mirrors

Physicists have found that by fine-tuning the electromagnet configurations and initial plasma properties, magnetic mirrors can achieve longer confinement times and lower loss rates. This could make them ideal for new particle physics experiments.

SourceSpringer·JournalThe European Physical Journal D·DateJul 18, 2019

Depressed by Facebook and the like

Researchers found a positive correlation between passive Facebook use and depressive symptoms in individuals with an increased need for social comparisons. Long-term use of social networks can also lead to lower self-esteem and greater depressive tendencies.

SourceRuhr-University Bochum·JournalBehaviour and Information Technology·DateJul 18, 2019

Species on the move

A study by Zoological Society of London reveals 55 UK animal species have been displaced due to climate change, with invertebrates most affected. The research highlights the need for a centralized platform to track and mitigate the impacts of climate-driven species movement.

SourceZoological Society of London·JournalJournal of Applied Ecology·DateJul 18, 2019

Greater prevalence of congenital heart defects in high intensity oil and gas areas

A new study found mothers living near intense oil and gas development have a 40-70% higher chance of having children with congenital heart defects. The study analyzed 3,324 infants born in Colorado from 2005-2011, estimating monthly intensity of well activity to confirm positive associations between maternal exposure and CHDs.

SourceUniversity of Colorado Anschutz Medical Campus·JournalEnvironment International·DateJul 18, 2019

Study finds key metabolic changes in patients with chemotherapy-associated cardiotoxicity

Researchers at Beth Israel Deaconess Medical Center found that metabolites associated with energy powerhouse mitochondria changed differently in patients who developed heart dysfunction compared to those who did not. Citric acid and aconitic acid levels differentiated the two groups of patients.

SourceBeth Israel Deaconess Medical Center·JournalJournal of Cardiovascular Translational Research·DateJul 18, 2019

Modeling tool addresses uncertainty in military logistics planning

A new model, called the Military Logistics Network Planning System (MLNPS), draws on logistical data and operational information to assess risk and forecast logistical outcomes. The MLNPS can help military leaders identify efficient means of meeting logistical needs and account for uncertainty during expeditionary operations.

SourceNorth Carolina State University·JournalThe Journal of Defense Modeling and Simulation Applications Methodology Technology·DateJul 17, 2019

Marijuana use may not make parents more 'chill'

A study by Ohio State University researchers found that marijuana users administered more discipline techniques to their children than non-users, including timeouts and physical abuse. This contradicts the popular belief that marijuana use leads to a more relaxed parenting style.

SourceOhio State University·JournalJournal of Social Work Practice in the Addictions·DateJul 17, 2019

Improving the odds of synthetic chemistry success

University of Utah chemists developed an algorithm that analyzes previous chemical reaction data to predict hypothetical reactions, narrowing the range of conditions needed for successful synthesis. The model successfully predicted outcomes for various reactions, offering a time-saving solution for pharmaceutical and materials research.

SourceUniversity of Utah·JournalNature·DateJul 17, 2019

Around one in 20 patients are affected by preventable harm

A systematic review and meta-analysis found that around 6% of patients are affected by preventable harm, which accounts for significant financial costs and can lead to permanent disability or death. The study highlights the need for strategies targeting preventable patient harm to improve medical care and reduce healthcare costs.

SourceBMJ Group·JournalThe BMJ·DateJul 17, 2019

Illinois study advances possibility of genetic control for major agricultural weeds

Researchers at the University of Illinois identified genetic signatures that distinguish male from female waterhemp and Palmer amaranth plants, a crucial step in developing genetic control. The discovery aims to introduce genetically modified male plants that would contain a gene drive to control the damaging weeds.

Do marine protected areas work?

A new study published in Journal of Applied Ecology provides a method for verifying the effectiveness of marine protected areas (MPAs) by comparing data collected before and after their implementation. This approach helps scientists determine whether adjustments are needed to improve the impact of MPAs on fish populations.

SourceUniversity of California - Davis·JournalJournal of Applied Ecology·DateJul 17, 2019

Parkinson's: New study associates oxidative stress with the spreading of aberrant proteins

Researchers at DZNE associate oxidative stress with the spreading of abnormal alpha-synuclein protein in Parkinson's disease, a neurodegenerative disorder. The findings suggest that oxidative stress may trigger the formation and aggregation of toxic alpha-synuclein species, leading to progressive pathology and neuronal damage.

SourceDZNE - German Center for Neurodegenerative Diseases·JournalJournal of Clinical Investigation·DateJul 17, 2019

One in 270 births have 'dual burden' of prematurity and severe maternal complications

Research from NYU Rory Meyers College of Nursing finds that one in 270 births experience both premature birth and severe maternal complications. The study, which examined data from California births between 2007-2012, also reveals racial disparities in health outcomes, with Black women twice as likely to have a dual burden birth.

SourceNew York University·JournalThe Journal of Maternal-Fetal & Neonatal Medicine·DateJul 17, 2019