Phys.org news

Phys.org / Stacked graphene sandwich reveals switchable memory without traditional ferroelectrics

A research team led by Professor Youngwook Kim from the Department of Physics and Chemistry, DGIST, in collaboration with the research team of Professor Gil Young Cho at KAIST, have discovered a new memory principle that ...

Feb 3, 2026 in Nanotechnology
Phys.org / Urban light pollution disrupts nighttime melatonin in wild nurse sharks

Artificial light from major coastal cities can disrupt the nighttime biology of sharks, according to new research that provides the first-ever measurements of melatonin—a hormone tied to biological rhythms—in wild sharks.

Feb 3, 2026 in Biology
Phys.org / Under snowpacks, microbes drive a winter-to-spring nitrogen pulse, study finds

When snow blankets the landscape, it may seem like life slows down. But beneath the surface, an entire world of activity is unfolding.

Feb 3, 2026 in Earth
Phys.org / Ultra-thin metasurface chip turns invisible infrared light into steerable visible beams

The invention of tiny devices capable of precisely controlling the direction and behavior of light is essential to the development of advanced technologies. Researchers at the Advanced Science Research Center at the CUNY ...

Feb 3, 2026 in Physics
Phys.org / Two huge hot blobs of rock influence Earth's magnetic field, study reveals

Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion km into space, the deepest we have ever gone below our feet is just over 12 km. Consequently, little ...

Feb 3, 2026 in Astronomy & Space
Phys.org / Innate biases of newborn animals inspire adaptive decision-making model

Precocial animals, the ones that move autonomously within hours after hatching or birth, have many biases they are born with that help them survive, finds a new paper led by Queen Mary University of London, published in Proceedings ...

Feb 3, 2026 in Biology
Phys.org / Ancient American pronghorns were built for speed

The fastest land animal in North America is the American pronghorn, and previously, researchers thought it evolved its speed because of pressure from the now-extinct American cheetah. But recently, that theory has come under ...

Feb 3, 2026 in Biology
Phys.org / Modeling finds old-growth wildfire risk highest where low-severity fires once burned

A new analysis shows that the Pacific Northwest's mature and old-growth forests are most at risk of severe wildfire in areas that historically burned frequently at lower severity. The study by scientists at Oregon State University ...

Feb 3, 2026 in Earth
Phys.org / Cosmic radiation brought to light: Researchers measure ionization in dark cloud for the first time

Where starlight doesn't reach, new things are born: For the first time, an international research team has directly measured the effect of cosmic radiation in a cold molecular cloud. The observation shows how charged high-energy ...

Feb 3, 2026 in Astronomy & Space
Phys.org / AI systems could identify math anxiety from student inputs and change feedback

Math anxiety is a significant challenge for students worldwide. While personalized support is widely recognized as the most effective way to address it, many teachers struggle to deliver this level of support at scale within ...

Feb 3, 2026 in Other Sciences
Phys.org / New mineral sunscreen reduces white cast by using tetrapod-shaped zinc oxide

UCLA researchers have developed a mineral sunscreen formulation that significantly reduces the white, chalky cast that keeps many people from wearing sun protection daily. For decades, dermatologists have urged people to ...

Feb 3, 2026 in Chemistry
Phys.org / New framework maps seven pillars for judging research trustworthiness

A new paper proposes a systems-level framework for evaluating the trustworthiness of research findings across methods and approaches. The paper, titled "A Framework for Assessing the Trustworthiness of Research Findings," ...

Feb 3, 2026 in Other Sciences