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Older people who are sleepy during the day or lack enthusiasm for activities due to sleep issues may be more likely to develop a syndrome that can lead to dementia, according to a new study.
New research suggests that adding a small amount of physical activity -- such as uphill walking or stair-climbing -- into your day may help to lower blood pressure.
This study uncovers the ketogenic diet's effects on the microbiome, revealing its potential to mitigate autoimmune diseases through metabolic pathways.
When Mount St. Helens erupted in 1980, lava incinerated anything living for miles around. As an experiment, scientists dropped gophers onto parts of the scorched mountain for only 24 hours. The benefits from that single day were undeniable and still visible 40 years later.
The Lassa virus causes Lassa fever, a zoonotic disease; humans usually contract the virus through contact with food or items contaminated by the the Mastomys rat’s urine or faeces.
By scanning the brains of people while they watched movie clips, neuroscientists have created the most detailed functional map of the brain to date. The fMRI analysis shows how different brain networks light up when participants viewed short clips from a range of independent and Hollywood films including Inception, The Social Network, and Home Alone.
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By scanning the brains of people while they watched movie clips, neuroscientists have created the most detailed functional map of the brain to date. The fMRI analysis shows how different brain networks light up when participants viewed short clips from a range of independent and Hollywood films including Inception, The Social Network, and Home Alone.
Higher temperatures caused by anthropogenic climate change turned an ordinary drought into an exceptional one that parched the American West from 2020--22. A study has found that evaporation accounted for 61% of the drought's severity, while reduced precipitation accounted for 39%. The research found that since 2000, evaporative demand has played a bigger role than reduced precipitation in droughts, which may become more severe as the climate warms.
Thin, flexible device could help people with visual impairments 'feel' surroundings. Device comprises a hexagonal array of 19 actuators encapsulated in soft silicone. Device only uses energy when actuators change position, operating for longer periods of time on a single battery charge.
Calculations of charge distribution in mesons provide benchmark for experimental measurements and validate widely used 'factorization' method for imaging the building blocks of matter.
This study highlights the relationship between polyunsaturated fatty acids and cancer risk, suggesting blood biomarkers may be key for accurate assessment.
Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before the appearance of the first animals. A team has observed that this species forms multicellular structures that bear striking similarities to animal embryos.
The CRISPR tool is capable of repairing the genetic defect responsible for the immune disease chronic granulomatous disease. However, researchers have now shown that there is a risk of inadvertently introducing other defects.
Gamma radiation can convert methane into a wide variety of products at room temperature, including hydrocarbons, oxygen-containing molecules, and amino acids, reports a research team. This type of reaction probably plays an important role in the formation of complex organic molecules in the universe -- and possibly in the origin of life. They also open up new strategies for the industrial conversion of methane into high value-added products under mild conditions.
By analyzing all live births in Canada over a six-year period and following children for more than two decades, researchers found that preterm births and the related cognitive, development and physical health impacts of prematurity are associated with lower income, employment and university enrollment.
Researchers have developed a new method for disrupting the crystal structure of a semiconductor that requires as little as one billion times less power density. This advancement could unlock wider applications for phase-change memory (PCM) -- a promising memory technology that could transform data storage in devices from cell phones to computers.
A study reveals that Mediterranean and green-MED diets rich in polyphenols may slow brain aging and reduce neurodegeneration through improved glycemic control.
A Northwestern University-led team of engineers has developed a new type of wearable device that stimulates skin to deliver various complex sensations.
Scientists have demonstrated a new way to use high-energy particle smashups at the Relativistic Heavy Ion Collider (RHIC) to reveal subtle details about the shapes of atomic nuclei. The method is complementary to lower energy techniques for determining nuclear structure. It will add depth to scientists' understanding of the nuclei that make up the bulk of visible matter.
Over the last few years, the SARS-CoV-2 virus, responsible for COVID-19, has undergone significant changes, evolving from the original wild-type strains to the highly transmissible Omicron variant.
Supersolids are a new form of quantum matter that has only recently been demonstrated. The state of matter can be produced artificially in ultracold, dipolar quantum gases. A team has now demonstrated a missing hallmark of superfluidity, namely the existence of quantized vortices as system's response to rotation. They have observed tiny quantum vortices in the supersolid, which also behave differently than previously assumed.
Research reveals unmarried individuals face higher depression risks, influenced by alcohol and smoking, highlighting cultural impacts on mental health.
More than 14 million Americans are caring for a service member or veteran. They provide services worth billions of dollars every year, often at tremendous financial and emotional costs to themselves. They need better access to mental health care, compensation, and other support.
The COVID-19 pandemic, which began in late 2019, brought immense disruption to individuals and societies worldwide, including children and adolescents. Alongside its immediate physical health impacts, the pandemic had a profound effect on mental health.
Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system harbored a weak magnetic field, which could have played a role in forming the giant planets and other objects.
Children whose mothers took extra vitamin D during pregnancy continue to have stronger bones at age seven, according to new research led by the University of Southampton and University Hospital Southampton (UHS).
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