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Tech Xplore / Unhackable metasurface holograms: Security technology can lock information with light color and distance

A research team led by Professor Junsuk Rho at POSTECH (Pohang University of Science and Technology) has developed a secure hologram platform that operates solely based on the wavelength of light and the spacing between metasurface ...

Feb 3, 2026 in Hi Tech & Innovation
Medical Xpress / Study maps 30 rheumatoid arthritis biopsies, linking joint scarring to treatment resistance

Rheumatoid arthritis (RA) is a common autoimmune disease where the body's immune system mistakenly attacks the lining of its own joints, causing chronic pain, swelling, and stiffness. While there have been remarkable advancements ...

Jan 31, 2026 in Arthritis & Rheumatism
Phys.org / Deadly storm sparks floods in Spain, raises calls to postpone Portugal vote

A deadly storm that triggered floods and thousands of evacuations in the Iberian Peninsula sparked calls on Thursday for Portugal's presidential run-off to be postponed, but electoral officials insisted it would go ahead.

Feb 5, 2026 in Earth
Medical Xpress / AI-enabled stethoscope demonstrated to be twice as efficient at detecting valvular heart disease in the clinic

New research shows that the use of an AI-enabled digital stethoscope more than doubled the identification of moderate to severe valvular heart disease during routine clinical examinations, compared to a traditional stethoscope. ...

Feb 5, 2026 in Biomedical technology
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
Tech Xplore / A smelly snapshot of the current state of electronic noses for robots

Robots are getting better at sniffing out smells thanks to improvements in electronic noses (e-noses). A comprehensive review of the state of robot olfaction, published in the journal npj Robotics, has surveyed recent advances ...

Jan 31, 2026 in Robotics
Phys.org / Are cats 'vegan' meat eaters? Why isotopic signatures of feline fur could trick us into thinking that way

Cats—unlike humans—are true carnivores: they must eat meat to survive because their bodies can't draw some essential nutrients from plants. By looking at tissues, researchers can get a good understanding of what foods ...

Feb 3, 2026 in Biology
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 / 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
Tech Xplore / Your future home might be framed with printed plastic

The plastic bottle you just tossed in the recycling bin could provide structural support for your future house. MIT engineers are using recycled plastic to 3D print construction-grade beams, trusses, and other structural ...

Feb 3, 2026 in Engineering
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