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Science News Archive July 2018 - Page 12


Page 12 of 38

Exhaled e-vapor particles evaporate in seconds -- new study

A new study published in Nicotine & Tobacco Research found that exhaled e-vapor particles are liquid droplets that evaporate within seconds, returning to background levels rapidly. This reinforces the evidence that vaping has a minimal impact on indoor air quality compared to smoking conventional cigarettes.

SourceFontem Ventures·JournalNicotine & Tobacco Research·DateJul 23, 2018

Model fuses social media, remote sensing data with goal of identifying nuclear threats

The model uses mathematical equations to translate incompatible data streams into a neutral format, enabling comparison and analysis of satellite imagery and social media posts. Researchers tested the model using data from a 2013 flood in Colorado, resolving incompatibility issues and accurately estimating flooding locations.

SourceNorth Carolina State University·JournalIEEE Transactions on Geoscience and Remote Sensing·DateJul 23, 2018

Warming alters predator-prey interactions in the Arctic

New research from Washington University in St. Louis found that warming conditions can alter the way wolf spiders interact with their prey, including springtails and fungi, leading to changes in ecosystem processes like decomposition. This shift could potentially alleviate some impacts of global warming on carbon losses from the tundra.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateJul 23, 2018

Study provides insight into how dying neurons control eating behaviors of the brain microglia

Researchers discovered that brain microglia clearance activity in different regions goes hand in hand with natural neuronal degeneration. Microglia can mistakenly attack healthy neurons if their 'eating' behavior is turned on inappropriately, leading to cellular changes associated with neurodegenerative diseases.

Noise on kids' hospital wards at night exceeds recommended maximum

A study published in Archives of Disease in Childhood found that noise on children's medical wards at night exceeds the World Health Organization's recommended maximum limit. Children and their parents experienced significantly less sleep than when sleeping at home, with an average loss of over an hour.

SourceBMJ Group·JournalArchives of Disease in Childhood·DateJul 23, 2018

Breakthrough in battle against type 2 diabetes

Experts from the University of Stirling have made a breakthrough in understanding how people respond to lifestyle treatment for preventing Type 2 diabetes. A new genomic signature has been discovered that indicates improved insulin sensitivity in individuals whose Type 2 diabetes status improves following a treatment intervention.

SourceUniversity of Stirling·JournalNucleic Acids Research·DateJul 23, 2018

In Southern Mozambique, only half of people diagnosed with HIV enroll in medical care

In Southern Mozambique, half of those diagnosed with HIV do not enroll in medical care. The study highlights the need to develop interventions to facilitate access to care and treatment among this population. Only 44% attend a medical visit three months after diagnosis, while 25% initiate antiretroviral treatment.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalJAIDS Journal of Acquired Immune Deficiency Syndromes·DateJul 23, 2018

Giant neurons in the brain may play similarly giant role in awareness and cognition

Research from Rockefeller University reveals that giant neurons in the brainstem, called nucleus gigantocellularis, express genes linked to nitric oxide production and blood vessel relaxation. This discovery supports their role in initiating behavior and potentially understanding psychiatric disorders like bipolar disorder and ADHD.

SourceRockefeller University·JournalProceedings of the National Academy of Sciences·DateJul 23, 2018

Immune response of Ebola survivors

Researchers identified cytotoxic T cell responses to Ebola-specific proteins in 26 Sierra Leonean survivors, suggesting a vaccine targeting both viral nucleoprotein and glycoprotein could elicit cell-mediated immunity. The study provides insights into the immune response of Ebola survivors and potential strategies for vaccine development.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJul 23, 2018

Ytterbium: The quantum memory of tomorrow

Researchers at UNIGE have discovered ytterbium, a rare earth element that can store and protect quantum information even at high frequencies. The material's properties make it an ideal candidate for future quantum networks, where the aim is to propagate signals over long distances by acting as repeaters.

SourceUniversité de Genève·JournalNature Materials·DateJul 23, 2018

Detecting damage in non-magnetic steel with the help of magnetism

Scientists from JGU and the University of Kaiserslautern have developed a process to apply a thin magnetic layer to steel, allowing for the detection of microstructural changes by changes in magnetic effects. This method has the advantage of detecting signs of fatigue much earlier than conventional testing procedures.

SourceJohannes Gutenberg Universitaet Mainz·JournalJournal of Magnetism and Magnetic Materials·DateJul 23, 2018