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Medical Xpress / Sleep loss linked to higher atrial fibrillation risk in working-age adults

Getting enough sleep may be more important for heart health than many busy professionals realize. A new multicenter study conducted by researchers from Kumamoto University and the National Cerebral and Cardiovascular Center, ...

Feb 20, 2026 in Cardiology
Phys.org / Microscopic mirrors for future quantum networks: A new way to make high-performance optical resonators

Researchers in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and the Faculty of Arts and Sciences have devised a new way to make some of the smallest, smoothest mirrors ever created for controlling ...

Feb 18, 2026 in Physics
Medical Xpress / More social media use tied to stronger anabolic steroid intentions, study suggests

A new study of more than 1,500 boys and men in Canada and the United States suggests that social media may play a meaningful role in shaping intentions to use anabolic-androgenic steroids (AAS), particularly when users are ...

Feb 20, 2026 in Pediatrics
Phys.org / Rewriting our understanding of early hominin dispersal from Africa to Eurasia

What if Homo erectus (H. erectus), the direct ancestor of modern humans, arrived in China much earlier than we thought? Research published in Science Advances may rewrite our understanding of early human dispersal in that ...

Feb 18, 2026 in Other Sciences
Tech Xplore / Atom-thin ferroelectric transistor can store 3,024 polarization states

Over the past few decades, electronics engineers have been trying to develop new neuromorphic hardware, systems that mirror the organization of neurons in the human brain. These systems could run artificial intelligence (AI) ...

Feb 14, 2026 in Hardware
Phys.org / Exposing a hidden anchor for HIV replication

The tiny shell protecting the HIV virus resembles a slightly rounded ice cream cone, but there is nothing sweet about it. More than 40 million people worldwide live with AIDS because of this virus, and treatments must continually ...

Feb 18, 2026 in Biology
Tech Xplore / LLMs violate boundaries during mental health dialogues, study finds

Artificial intelligence (AI) agents, particularly those based on large language models (LLMs) like the conversational platform ChatGPT, are now widely used daily by numerous people worldwide. LLMs can generate texts that ...

Feb 15, 2026 in Consumer & Gadgets
Phys.org / Antarctic warming is altering atmospheric stability: New evidence from the 1950s to the present

A new study published in the Journal of Climate reveals how surface warming in Antarctica, particularly over the Antarctic Peninsula, is significantly altering the stability of the lowest layers of the atmosphere.

Feb 18, 2026 in Earth
Medical Xpress / Myopia is driven by how we use our eyes indoors, new research suggests

For years, rising rates of myopia—or nearsightedness—have been widely attributed to increased screen time, especially among children and young adults. But new research from scientists at the SUNY College of Optometry ...

Feb 17, 2026 in Ophthalmology
Phys.org / Pekingese, Shih Tzu and Staffordshire bull terrier among 12 dog breeds at risk of serious breathing condition

Scientists have identified a further 12 dog breeds as being at risk of brachycephalic obstructive airway syndrome—a condition that can cause serious breathing problems—including the Pekingese, Shih Tzu, Boston terrier, ...

Feb 18, 2026 in Biology
Medical Xpress / Early periods and changing fertility patterns may influence ovarian cancer risk

Ovarian cancer is still one of the deadliest gynecological cancers affecting women around the world, especially in East Asian countries, where the numbers keep rising year after year. A new nationwide study in South Korea ...

Feb 16, 2026 in Oncology & Cancer
Medical Xpress / Worsening of overactive bladder seen in patients undergoing gender-affirming vaginoplasty

Patients undergoing gender-affirming vaginoplasty experience worsening of overactive bladder (OAB) with respect to their health-related quality of life (HRQoL), according to a study published online Feb. 6 in Urology.

Feb 20, 2026 in Surgery