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Medical Xpress / Women show greater tau buildup and faster cognitive decline than men in Alzheimer's

Tau proteins act like the brain's maintenance crew, helping maintain the structure and proper function of brain cells. In neurodegenerative diseases such as Alzheimer's, the tau proteins can form tangles that disrupt normal ...

13 hours ago in Neuroscience
Phys.org / 2D memristors could help solve AI's energy problem

New generations of memristors could reliably store information directly within the molecular structures of graphene-like materials. In a new review published in Nanoenergy Advances, Gennady Panin of the Russian Academy of ...

15 hours ago in Nanotechnology
Phys.org / Boat traffic alters marine megafauna behavior, stress and population trends, global analysis finds

A new study provides a comprehensive global synthesis of how vessel traffic affects large marine wildlife, including whales, dolphins, seals, manatees, sea turtles, sharks and rays. The study, "Charting the Course for Management: ...

8 hours ago in Biology
Phys.org / Lab tests investigate how house fire emissions differ from forest fires

Wildfires have increased in frequency and severity over the past few decades. More fires are burning at the wildland-urban interface (WUI), where homes and other buildings meet the natural landscape—but our understanding ...

8 hours ago in Earth
Medical Xpress / Dry eye often precedes autoimmune disease diagnosis, new study finds

Frequent dry eyes may signal more than simple irritation and could be an early warning sign of an autoimmune disease. This symptom has long been associated with Sjögren's Disease, a chronic autoimmune condition in which ...

15 hours ago in Immunology
Medical Xpress / Differing immune responses in infants may explain increased severity of RSV over SARS-CoV-2

Young infants hospitalized with respiratory syncytial virus (RSV) often become much sicker than those infected with SARS-CoV-2, the virus that causes COVID-19. In a study published in Science Translational Medicine, scientists ...

7 hours ago in Immunology
Phys.org / How a 3D-printed synthetic sea lion pelvis enhances veterinary capabilities to counter ongoing beaching

Scores of sea lions continue to beach themselves along the Southern California coastline, stricken with sickness. Toxic algae blooms are to blame, though a mechanical engineering innovation could shift the tide in favor of ...

8 hours ago in Biology
Phys.org / ALMA reveals Milky Way's core in largest-ever mosaic, tracing cold gas filaments

Astronomers have captured the central region of our Milky Way in a striking new image, unveiling a complex network of filaments of cosmic gas in unprecedented detail. Obtained with the Atacama Large Millimeter/submillimeter ...

18 hours ago in Astronomy & Space
Phys.org / Ancient diets reveal surprising survival strategies in prehistoric Poland

An international team of archaeologists and scientists has reconstructed the diets of prehistoric communities from north-central Poland, shedding new light on how people adapted to changing environments and shifting social ...

10 hours ago in Other Sciences
Phys.org / ALMA explores giant molecular clouds in nearby galaxy NGC 1387

An international team of astronomers has employed the Atacama Large Millimeter/submillimeter Array (ALMA) to investigate molecular gas in a nearby galaxy known as NGC 1387. Results of the observational campaign, published ...

16 hours ago in Astronomy & Space
Phys.org / Hidden architecture inside cellular droplets reveals new targets for cancer and neurodegeneration

Cells rely on biomolecular condensates to coordinate essential biological processes without surrounding membranes. These droplet-like dynamic assemblies control the way in which DNA is turned into proteins, help clear cellular ...

9 hours ago in Biology
Phys.org / Nano-cage removes up to 98% of PFAS in tap water tests

Contamination of ground, surface and drinking water by perfluoroalkyl and polyfluoroalkyl substances (PFAS) affects millions of people worldwide. A promising new method developed by Flinders University scientists paves the ...

8 hours ago in Chemistry