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The hair-raising reason for goosebumps
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The hair-raising reason for goosebumps

Researchers have discovered that the cells that cause goosebumps are also important for regulating the stem cells that regenerate hair. In the skin, the muscle that contracts to create goosebumps is necessary to bridge the sympathetic nerve’s connection to hair follicle stem cells. The sympathetic nerve reacts to cold by contracting the muscle and causing...

Researchers study brain activity in stages of alertness at the neuronal level
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Researchers study brain activity in stages of alertness at the neuronal level

by Okinawa Institute of Science and Technology Visual information detected in the eye, is passed to the visual thalamus – a complex sub-cortical structure that regulates information transmission from the sensory organs to sensory areas of the cortex – and on to the primary visual cortex. Researchers know that layer 6, the deepest cortical layer,...

Researchers: COVID-19 spreads ten meters or more by breathing
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Researchers: COVID-19 spreads ten meters or more by breathing

by Queensland University of Technology A plea issued by 239 scientists from around the world to recognize and mitigate airborne transmission of COVID-19 addressed to international health authorities is to be published in the journal Clinical Infectious Diseases. The 239 signatories from 32 countries come from many different areas of science and engineering, including virology,...

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Sniffing out smell

ew study reveals how the brain organizes information about odors HARVARD MEDICAL SCHOOL The premiere of the movie Scent of Mystery in 1960 marked a singular event in the annals of cinema: the first, and last, motion picture debut “in glorious Smell-O-Vision.” Hoping to wow moviegoers with a dynamic olfactory experience alongside the familiar spectacles...

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Designer peptides show potential for blocking viruses, encourage future study

Research demonstrates how Rensselaer-made peptides can bind to cells and potentially block viruses Designer peptides show potential for blocking viruses, e TROY, N.Y. — Chemically engineered peptides, designed and developed by a team of researchers at Rensselaer Polytechnic Institute, could prove valuable in the battle against some of the most persistent human health challenges. The...

High doses of ketamine can temporarily switch off the brain, say researchers
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High doses of ketamine can temporarily switch off the brain, say researchers

by University of Cambridge Wikipedia Researchers have identified two brain phenomena that may explain some of the side-effects of ketamine. Their measurements of the brain waves of sheep sedated by the drug may explain the out-of-body experience and state of complete oblivion it can cause. In a study aimed at understanding the effect of therapeutic...

Insight into protein misfolding could open up new approaches to treat Parkinson’s disease
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Insight into protein misfolding could open up new approaches to treat Parkinson’s disease

by University of Cambridge Researchers have uncovered a link between the structure of the protein alpha-synuclein and its likelihood to misfold and aggregate. Alpha-synuclein aggregates are the hallmark of neurodegenerative disorders, such as Parkinson’s disease. Their findings, published today in Nature Communications, identify potential new therapeutic targets in the treatment of Parkinson’s disease. The human...

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Wound healing: The stem cell dynamic

Researchers at the Université libre de Bruxelles, ULB define for the first time the changes in the stem cell dynamics that contribute to wound healing. One of the key questions in biology is to identify how tissues are repaired after trauma and understand how stem cells migrate, proliferate, and differentiate to repair tissue damage. In...