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Phys.org / Scientists unlock a massive new 'color palette' for biomedical research by synthesizing non-natural amino acids

Ozempic has been making headlines for its remarkable success in treating obesity and diabetes. Yet it is just one in a rapidly growing class of drugs called peptide therapeutics that sits between small molecules (like aspirin) ...

Feb 19, 2026 in Chemistry
Medical Xpress / People prefer the empathy of humans, but rate 'fake' AI empathy higher

Artificial Intelligence (AI) agents, particularly the large language models (LLMs) underpinning the functioning of ChatGPT and other popular conversational platforms, are now used daily by millions of people worldwide. As ...

Feb 18, 2026 in Psychology & Psychiatry
Phys.org / AI system TongGeometry generates and solves olympiad-level geometry problems

The International Mathematical Olympiad (IMO) is a prestigious competition featuring talented high school students from around the world, in which competitors solve complicated mathematical problems. Geometry problems from ...

Feb 17, 2026 in Other Sciences
Phys.org / First-ever shark recorded in Antarctic waters filmed at 490 meters in near‑freezing water

An ungainly barrel of a shark cruising languidly over a barren seabed far too deep for the sun's rays to illuminate was an unexpected sight.

Feb 18, 2026 in Biology
Phys.org / Storms reveal rare 2,000-year-old footprints on Scottish beach

Storms that recently ravaged Britain's coastline have revealed 2,000-year-old footprints on an Angus beach—one of only a handful of locations in the U.K. where markings of this kind have ever been discovered. The imprints ...

Feb 19, 2026 in Other Sciences
Phys.org / Why some tunes stick: Mathematical symmetry helps explain catchy melodies

Why do some melodies feel instantly right, balanced, memorable and satisfying, even if you have never heard them before? New research from the University of Waterloo suggests that more than creativity is at play.

Feb 19, 2026 in Other Sciences
Phys.org / What is a 'seesaw protein' that switches functions by changing shape?

Inspired by the simple mechanism of a seesaw—when one side goes up, the other side goes down—researchers asked an intriguing question: Could a single molecule switch between two different roles like a seesaw? This idea ...

Feb 20, 2026 in Biology
Medical Xpress / Fiber-free processed foods hit emotional memory fast, especially in older brains

Past studies in animals have shown that a highly processed diet is linked to memory problems and inflammation in the aged brain—and the effect can happen fast, after just three days of poor eating.

Feb 19, 2026 in Neuroscience
Medical Xpress / Unmasking the real sugar threat to kids during heart month

While most parents know to limit candy, the true danger of sugar in a child's diet is often hidden in plain sight. A growing body of research reveals that excessive sugar consumption in childhood is linked to a frightening ...

Feb 20, 2026 in Health
Phys.org / What 'housane' rings are and why a light-powered route may matter for drugs

When developing new drugs, one thing is particularly important: finding and producing the right molecules that can be used as active ingredients. The key elements of some drugs, such as penicillin, are small, tri- or quadripartite ...

Feb 19, 2026 in Chemistry
Tech Xplore / Robot hand approaches human-like dexterity with new visual-tactile training

Human hands are a wonder of nature and unmatched in the animal kingdom. They can twist caps, flick switches, handle tiny objects with ease, and perform thousands of tasks every day. Robot hands struggle to keep up. They typically ...

Feb 17, 2026 in Robotics
Tech Xplore / Most AI bots lack basic safety disclosures, study finds

Many people use AI chatbots to plan meals and write emails, AI-enhanced web browsers to book travel and buy tickets, and workplace AI to generate invoices and performance reports. However, a new study of the "AI agent ecosystem" ...

Feb 19, 2026 in Consumer & Gadgets