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Medical Xpress / Key brain DMT theory takes a hit: Rat study finds no detectable DMT in serotonin neurons
For decades, the idea that the human brain might naturally produce the psychedelic compound DMT has attracted considerable attention. It has been speculated that DMT could function as a natural signaling substance in the ...
Phys.org / Is dark energy actually evolving?
Dark energy is one of those cosmological features that we are still learning about. While we can't see it directly, we can most famously observe its effects on the universe—primarily how it is causing the expansion of the ...
Tech Xplore / Advanced security technology is rarely used—research offers a solution
Modern and powerful security technology that protects against hacking attempts is used to a very limited extent—despite having been available to developers for more than a decade. Researchers at Umeå University can now ...
Medical Xpress / Predicting and preventing the risk of hip fracture related to osteoporosis
Researchers at Pompeu Fabra University (UPF) have made a great leap toward predicting the risk of hip fracture among people with osteoporosis and evaluating the effectiveness of specific drugs to prevent it. The BCN Med Tech ...
Phys.org / Silenced no more: Why U.S. online reviews turned longer and more negative
For years, consumers have quietly edited themselves online. A harsh review softened. A detail left out. A complaint never posted at all. New research shows that when the legal threat behind that silence disappears, the internet ...
Medical Xpress / Head position during brain and inner ear MRI can create artifacts that impact interpretation and patient comfort
Dark, diamond-shaped spots in inner ear magnetic resonance imaging (MRI) scans are not always signs of pathological changes—they can simply result from how a person is positioned in the scanner. A pilot study at the Karl ...
Medical Xpress / Over 40% of musicians experience tinnitus; hearing loss and hyperacusis also significantly elevated
A new systematic review and meta-analysis published in Otolaryngology–Head and Neck Surgery, the official journal of the American Academy of Otolaryngology–Head and Neck Surgery Foundation (AAO-HNSF), reveals that musicians ...
Tech Xplore / Cost of copper must rise substantially to meet basic copper needs
The price of copper must at least double in order to spur the development of new copper mines to meet the world's growing demand for the metal, according to a team led by a University of Michigan researcher. The team led ...
Tech Xplore / How AI can cause businesses to lose their knowledge
Over time, the loss of human expertise caused by AI use can impair the quality of that very AI—in the worst case, insidiously and unnoticed. This is the finding of a new study by researchers from the University of Passau ...
Phys.org / Bushbabies reclassified as 'near threatened.' Scientists share how to protect these adorable primates
Frank Cuozzo and Michelle Sauther first traveled to South Africa in 2012 to search for some of the most unusual primates on Earth—bushbabies. These animals are nocturnal and small, often around the size of a housecat. Bushbabies ...
Medical Xpress / Combining nerve blocks with therapy speeds recovery in military personnel and veterans, clinical trial finds
Military service members and veterans frequently experience post-traumatic stress disorder (PTSD), which is linked to a range of psychological challenges and adverse effects. Cognitive-behavioral therapies like cognitive ...
Phys.org / Seal pup communication is more similar to that of humans than previously thought, researcher finds
Common seal pups communicate in ways that are more similar to humans than previously thought. For instance, they take turns when "speaking" and their calls become increasingly alike when they spend time around each other. ...
