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Medical Xpress / Midlife weight gain can start long before menopause—but you can take steps early on

You're in your mid-40s, eating healthy and exercising regularly. It's the same routine that has worked for years.

Dec 29, 2025 in Overweight & Obesity
Phys.org / How a new diet of penguins is changing puma behavior and social lives in Patagonia

Penguins in the coastal steppes of Argentina have a new enemy to worry about: the increasing numbers of pumas in Monte León National Park (MLNP). These powerful mountain cats were once on the brink of disappearing from this ...

Dec 17, 2025 in Biology
Phys.org / Simulations explore Neanderthal and modern human encounters in ancient Europe

Using a specially developed simulation model, researchers at the University of Cologne have traced and analyzed the dynamics of possible encounters between Neanderthals and anatomically modern humans on the Iberian Peninsula ...

Dec 22, 2025 in Other Sciences
Medical Xpress / Restoring healthy protein form revives blood vessel growth in premature infant lungs

A UCLA-led research team has discovered a molecular switch that determines whether tiny blood vessels in premature infants' lungs can regenerate after injury. A failure of this repair process is a hallmark of bronchopulmonary ...

Dec 29, 2025 in Pediatrics
Medical Xpress / Guns marketed for personal safety fuel public health crisis in Black communities

Leon Harris, 35, is intimately familiar with the devastation guns can inflict. Robbers shot him in the back nearly two decades ago, leaving him paralyzed from the chest down. The bullet remains lodged in his spine.

Dec 29, 2025 in Health
Phys.org / Researchers show that an iron bar is capable of decision-making

(Phys.org)—Decision-making—the ability to choose one path out of several options—is generally considered a cognitive ability possessed by biological systems, but not by physical objects. Now in a new study, researchers ...

Aug 24, 2015 in Physics
Medical Xpress / Night shifts aren't just tiring, they can be deadly: Disrupted sleep cycles linked to aggressive breast cancer

Working the night shift, frequently flying across time zones or keeping an irregular sleep schedule does more than just leave us exhausted; it can fuel the risk of aggressive breast cancer. Exactly how and why this happens ...

Dec 23, 2025 in Oncology & Cancer
Phys.org / New redback millisecond pulsar discovered with ASKAP

Using the Australian SKA Pathfinder (ASKAP) telescope, astronomers have discovered a new millisecond pulsar (MSPs) at a distance of some 7,000 light years away. The newfound pulsar, which received designation PSR J1728−4608, ...

Dec 18, 2025 in Astronomy & Space
Phys.org / What's powering these mysterious, bright blue cosmic flashes? Astronomers find a clue

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ultraviolet light that gradually fade away, leaving behind faint X-ray and radio emissions. With ...

Dec 16, 2025 in Astronomy & Space
Phys.org / Ultra-high-resolution lidar reveals hidden cloud structures

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and collaborators have developed a new type of lidar—a laser-based remote-sensing instrument—that can observe cloud structures at the ...

Dec 23, 2025 in Earth
Phys.org / A DIY, fly-powered food waste recycling system

UC Riverside scientists have created a small-scale system that transforms food waste into high-protein animal feed and fertilizer using black soldier flies, offering a sustainable solution to a major environmental problem.

Dec 23, 2025 in Biology
Phys.org / Hagfish olfactory genes hint at ancient origins of vertebrate sense of smell

Researchers at University of Tsukuba and their collaborators have conducted a comprehensive analysis of the olfactory receptor repertoire of the hagfish (Eptatretus burgeri), a jawless vertebrate. This organism retains many ...

Dec 23, 2025 in Biology