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HIV is surging among adults over 50 in sub-Saharan Africa, yet prevention and treatment campaigns still focus mainly on the young. New research reveals older adults face comparable or higher infection rates but remain largely invisible in HIV studies, which hampers progress toward global health goals. Persistent stigma, outdated perceptions, and limited education or access in rural areas worsen the situation, especially for older women.

Scientists in Tokyo have developed a groundbreaking, label-free method to identify aging human cells using electric fields. This new technique avoids the downsides of chemical tagging, which can distort results and slow research. By analyzing how cells move under alternating electric fields, the researchers found they could accurately detect senescent skin cells based on their electrical properties. The approach is fast, non-invasive, and could transform how we study aging and age-related diseases like Alzheimer’s or diabetes.

Quantum computing just got a significant boost thanks to researchers at the University of Osaka, who developed a much more efficient way to create “magic states”—a key component for fault-tolerant quantum computers. By pioneering a low-level, or “level-zero,” distillation method, they dramatically reduced the number of qubits and computational resources needed, overcoming one of the biggest obstacles: quantum noise. This innovation could accelerate the arrival of powerful quantum machines capable of revolutionizing industries from finance to biotech.

Fresh concerns have emerged about the platelet studies underpinning the FDA approval of ticagrelor, AstraZeneca’s multibillion-dollar heart drug. A new BMJ investigation reveals data discrepancies, missing lab readings, and questions about the integrity of the trial process. Notably, key results reported in a major cardiology journal were inaccurately presented, and some study contributors were omitted or denied involvement. With generics on the horizon, critics say these revelations highlight potential dangers, including severe rebound effects and bleeding risks, that were never properly disclosed.

A stunning breakthrough in solar physics reveals ultra-fine magnetic structures on the Sun’s surface, thanks to the NSF’s Inouye Solar Telescope. Researchers captured never-before-seen bright and dark stripes—called striations—within solar granules. These features behave like magnetic curtains rippling across the Sun, reshaping our understanding of magnetic field dynamics at microscopic scales. By achieving a resolution of just 20 kilometers, scientists could match real observations with simulations, revealing subtle magnetic fluctuations that alter how we see the solar surface. These discoveries illuminate not only solar activity but also magnetic behaviors in faraway cosmic environments, with implications for predicting space weather on Earth.

A new study is turning heads by challenging the popular belief that seed oils are harmful to health. Researchers analyzed blood markers from nearly 1,900 people and found that higher levels of linoleic acid — an omega-6 fat commonly found in seed oils — were linked to lower inflammation and better cardiometabolic health. The study used direct biomarkers instead of diet surveys, making its findings more robust. These results support a growing body of evidence that seed oils, far from fueling disease, may actually help protect against heart disease and type 2 diabetes.

A Rice University team discovered that bubbling CO₂ through a mild acid dramatically improves the lifespan and efficiency of electrochemical devices that convert CO₂ into useful fuels. This simple trick prevents salt buildup—a major barrier to commercialization—by altering local chemistry just enough to keep salts dissolved and flowing. The result? A device that ran for over 4,500 hours without clogging, using common catalysts and scalable technology. It’s a breakthrough that could make green CO₂ conversion far more viable in the real world.

Learn how to capture drone photos and videos at night with our comprehensive guide.

Is this setting a new precedent for the future of spaceflight?

GPS positions were off by up to 230 feet during the Gannon Solar Storm in May 2024 in a disruption that lasted for up to two days, a new study has revealed.