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Phys.org / Cell-by-cell sodium mapping reveals astrocytes are far less uniform than believed
The element sodium plays a key role in nervous system function. An international research team headed by the Institute of Neurobiology at Heinrich Heine University Düsseldorf (HHU) has now conducted a closer examination of ...
Medical Xpress / The bigger the reward, the faster we learn, researchers find
Scientists long assumed that learning speed depends primarily on our experience—how many times we try and succeed—not the size of the reward. We become better at poker because we keep playing and winning, regardless of the ...
Phys.org / Carbon markets underestimate the risks U.S. forests face from climate change, researchers warn
The world's forests form a vast network of carbon reservoirs, keeping carbon sequestered from the atmosphere where its presence is disrupting Earth's climate systems. Many corporate, national and state climate policies rely ...
Medical Xpress / Scientists identify brain circuit that helps us 'change gears'
Most people have experienced the feeling: switching from one task to another, only to find the brain momentarily stuck in the old mode of thinking. Sometimes, even after realizing a strategy no longer works, the mind keeps ...
Phys.org / Blue and fin whale sightings on the rise in the Southeast Atlantic
More than 40 years after the end of commercial whaling, new research reveals a recent increase in sightings of the world's two largest whale species in the southeastern Atlantic. The findings, published in the African Journal ...
Phys.org / Birds clap in the dark to flirt: Nightjars reveal a hidden language of sound
Some birds sing to attract a mate. Others dance or display colorful feathers. But in the moonlit forests and shrublands of northern Argentina, one bird courts romance by snapping its wrists together, producing a sharp clapping ...
Tech Xplore / Google announces slew of AI advances, including a personal AI assistant coming soon
Google will soon unleash a wealth of new artificial intelligence-powered tools and systems, including an AI assistant that will help users by proactively performing tasks on their behalf.
Medical Xpress / Duration of depression may influence how severely the disease alters the brain
Depression affects about 5.8% of the Brazilian population and presents a wide range of symptoms, intensities, and durations. A study published in Scientific Reports involving patients with major depressive disorder demonstrated ...
Medical Xpress / Saliva could flag one of the deadliest and most baffling cancers sooner
Scientists at the Sydney Brenner Institute for Molecular Bioscience (SBIMB) at Wits University are exploring whether bacteria in saliva could offer a low-cost warning signal for esophageal squamous cell carcinoma, where late ...
Phys.org / Nondestructive DNA sampling reveals 1,300 years of secrets in historic parchments
Researchers have demonstrated a nondestructive way to collect cellular material from historical parchment manuscripts, allowing them to conduct genetic analyses that offer new insights into everything from trade routes to ...
Phys.org / Macrocyclic host molecules observed working together on a surface
A collaborative research team from Kanazawa University and Kyoto University reports the successful visualization of how densely assembled macrocyclic host molecules cooperatively capture guest molecules on a surface. Using ...
Phys.org / The Bayeux Tapestry tells only the winner's story—but the other side can be found in old English texts
As the Bayeux Tapestry comes to London, the year 1066 and the Norman Conquest are in the spotlight. The tapestry—an embroidered cloth nearly 70 meters long, created soon after the events it depicts—tells the story of the ...