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Tracking the flow of cerebrospinal fluid reveals an unprecedented view of the brain's glym
Tracking the flow of cerebrospinal fluid reveals an unprecedented view of the brain's glym
Biomedical engineers at Duke University have developed a technique to noninvasively visualize the brain's waste-removal system in unprecedented detail. This new imaging approach allows researchers to examine how this system is altered by conditions including ischemic stroke, agin
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Developing a new methodology to identify biomarkers for male infertility
Researchers from the EHU-University of the Basque Country have developed a robust protocol to detect the molecules involved in the metabolic reactions of sperm. The new method enables a detailed analysis even with small samples and allows the detection of the largest number of po
First 3D views of human cone opsins reveal how daylight vision reacts so fast
First 3D views of human cone opsins reveal how daylight vision reacts so fast
The retina of the human eye contains 6–7 million cone cells. These cells contain light-sensitive proteins known as cone opsins. They enable us to perceive our surroundings in detail in daylight. They allow us to see the world in thousands of colors: red strawberries, green leaves
Bones communicate with the rest of the body to support overall health: Here's the science
Each year, doctors treat more than 6 million bone fractures in the United States. And while it takes only a few seconds for a bone to break, the processes that keep your bones strong and allow them to heal take place continuously throughout your life.
Baby-led weaning: A solid approach to infant nutrition
When it's time to add solid food to a baby's diet, is it best to spoon-feed purees—the conventional approach—or to allow the baby to feed herself soft finger foods? The second path, called baby-led weaning, has exploded in popularity in the past decade, yet many parents and careg
Why does our mind wander? New study taps into the tricks of staying on task
Why does our mind wander? New study taps into the tricks of staying on task
You're sitting at your desk, writing a short story. You remain focused, but after several hours, you still can't see how to end it. So you go for a run, allowing your thoughts to run with you. Instead of stumbling on a rock, you fall on a solution.
Aphantasia challenges a centuries-old theory of abstract thought
Aphantasia, the inability to form mental images, poses a serious challenge to an influential theory of abstract thought in the history of philosophy. The study by researchers at the University of Tartu suggests that mental imagery may play a less central role in human thought tha
Mutations let JC polyomavirus evade antibodies, offering clues for vaccines and treatments
In people with severely compromised immune systems, JC polyomavirus can trigger an untreatable, often fatal brain disease. An international research team has identified how virus mutations can strategically interfere with how human antibodies recognize the virus, allowing it to e
Hidden pathway drives COVID-19 infection, triggers damaging inflammation in the lungs
Hidden pathway drives COVID-19 infection, triggers damaging inflammation in the lungs
New research has uncovered a hidden pathway that allows COVID-19 to infect the immune system and trigger damaging inflammation in the lungs. The study by La Trobe University and WEHI researchers found SARS-CoV-2, the virus that causes COVID-19, can hide inside tiny fragments of d
Glycoprotein G unlocks genital herpes spread to nerves, revealing vaccine target
Researchers at the University of Gothenburg have identified a key protein that allows the virus that causes genital herpes to get into the nervous system. The discovery, made in experiments on mice, could pave the way for future vaccines against the disease. The study is publishe
Researchers develop a safer, more reliable material for growing small-scale models of the
Researchers develop a safer, more reliable material for growing small-scale models of the
Scientists can use patient-derived tissue samples to grow miniature versions of human organs, allowing them to test new medications and disease treatments for personalized care.
Heat waves and pollution raise heart risks, doctors warn
Heat waves and pollution raise heart risks, doctors warn
When temperatures climb, the cardiovascular system works harder to keep the body cool by redirecting blood flow from the core to the surface of the skin to allow for evaporation. High temperatures can cause blood to coagulate and thicken, making the process even harder on the hea