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Phys.org / New molecular design strategy improves efficiency and selectivity in electrocatalytic reactions

More efficient and sustainable energy conversion technologies, among other applications, hinge on lowering the amount of energy needed to trigger specific reactions on the surface of electrodes. Called electrocatalysis, the ...

8 hours ago in Chemistry
Medical Xpress / A simple blood test could change how Alzheimer's is diagnosed

A blood test, combined with an ultrathin material derived from graphite, could significantly advance efforts to detect Alzheimer's disease at its very earliest stage, even before symptoms appear.

Phys.org / Chile declares emergency as wildfires kill at least 15

Wildfires burning out of control in southern Chile have killed at least 15 people and forced more than 50,000 to evacuate, the government said Sunday.

4 hours ago in Earth
Phys.org / AI disruptions reveal the folly of clinging to an idealized modern university

In the past five years, higher education has been in a seemingly endless state of disruption.

8 hours ago in Other Sciences
Phys.org / Study finds strong link between teacher well-being and pupil achievement

A new study from The University of Manchester has found that happier teachers help create happier pupils—and better learning—as ten schools across the UK embrace a groundbreaking approach to well-being.

8 hours ago in Other Sciences
Medical Xpress / Heart computational model can help doctors operate on and treat patients with arrhythmia

Atrial fibrillation is one of the most common kinds of arrhythmia, causing the heart not to contract properly in order to pump the blood, which can lead to the formation of thrombi (blood clots) and the consequent associated ...

8 hours ago in Cardiology
Phys.org / New model maps social polarization as overlapping group opinions, not fixed sides

Researchers at TU Wien are developing a model that interprets opinions not as diametrically opposed poles, but as overlapping areas at the group level.

9 hours ago in Other Sciences
Phys.org / NASA moves moon rocket to launch pad ahead of Artemis 2 mission

NASA on Saturday rolled out its towering SLS rocket and Orion spacecraft as it began preparations for its first crewed mission to the moon in more than 50 years.

11 hours ago in Astronomy & Space
Medical Xpress / Light-activated tissue adhesive patch offers rapid, watertight neurosurgical sealing

Durotomy is a common neurosurgical complication involving a tear in the dura mater, the protective membrane surrounding the brain and spinal cord. Damage can cause cerebrospinal fluid (CSF) leakage, leading to delayed healing, ...

8 hours ago in Surgery
Tech Xplore / Scientists uncover new quantum state that could power future technologies

Scientists have discovered a new quantum state of matter that connects two significant areas of physics, potentially leading to advancements in computing, sensing and materials science.

9 hours ago in Energy & Green Tech
Phys.org / Elephant seals return to Año Nuevo State Park. Visitors watch battling bulls and 75-pound pups

Every winter about 10,000 elephant seals make their way to California's Año Nuevo State Park to fight, mate and give birth. The spectacle runs from mid-December through March, drawing wildlife watchers eager for a glimpse ...

11 hours ago in Biology
Tech Xplore / No power, no phone, no radio: Why comms dropped out during the Central Victorian fires

Australia has entered an era of climate instability, where communications during bushfires and extreme weather must perform under increasingly severe conditions.

15 hours ago in Telecom