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Phys.org / What is an exoplanet? An astrophysicist explains why they are vital for finding alien life

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is potentially the first Earth-like ...

3 minutes ago in Astronomy & Space
Phys.org / PFAS exposure greater in wet pet food, study suggests

Ehime University investigators measured 34 per- and polyfluoroalkyl substances in 100 commercial dog and cat foods sold in Japan and detected PFAS across many products, with higher concentrations in fish-based foods and dry ...

1 hour ago in Biology
Phys.org / Svalbard polar bears gained fat despite rapid Barents Sea ice loss

Their icy hunting grounds are rapidly shrinking, but polar bears in Norway's remote Svalbard archipelago have defied the odds by bulking up instead of wasting away, a study said Thursday.

1 hour ago in Biology
Phys.org / Missing methane: Countries may be underestimating wastewater greenhouse gas emissions

The amount of greenhouse gases produced by the wastewater sector may be higher than reports suggest. According to a paper published in the journal Nature Climate Change, countries are missing out on reporting a significant ...

2 hours ago in Earth
Phys.org / Integrating genomics insights with game theory

The Microbiology Society's Microbiology Outlooks, launched in 2025, has published its inaugural article: "When Theory Meets Genomics: Reconciling Game Dynamics and Within-Host Evolution." The new commentary explores how theoretical ...

1 hour ago in Biology
Medical Xpress / Smartphone photos may be misleading doctors and putting patients at risk: New research

It's an increasingly common scenario. You fill in an online form to request an appointment with a doctor, and back comes a link asking you to upload a photo of your ailment. You pick up your phone, a couple of clicks and ...

1 hour ago in Health informatics
Tech Xplore / Interphase strategy tames Zn and Sn migration, boosting CZTSSe cells past 15% efficiency

Safe, efficient, and economical light-absorbing (photovoltaic) technology is key to developing the next generation of solar cells. Cu2ZnSn(S,Se)4 (CZTSSe) photovoltaics—using the easily accessible elements copper, zinc, ...

1 hour ago in Energy & Green Tech
Phys.org / Heavier hydrogen makes silicon T centers shine brighter for quantum networks

Quantum technologies, computers or other devices that operate leveraging quantum mechanical effects, rely on the precise control of light and matter. Over the past decades, quantum physicists and material scientists have ...

3 hours ago in Physics
Medical Xpress / HIV can develop resistance to blockbuster antiviral lenacapavir—but at a cost to the virus

Long-acting antiviral medications are transforming HIV prevention and care, requiring only minimalistic dosing. But as the use of lenacapavir expands, scientists are probing a critical question: If the virus evolves resistance, ...

3 hours ago in Medications
Medical Xpress / One-question screen may flag hoarding in Alzheimer's and other dementias

Researchers at the University of Colorado Anschutz have developed a simple, one-question screening tool that could help doctors quickly identify hoarding behaviors in patients with memory loss and other brain disorders. Early ...

1 hour ago in Psychology & Psychiatry
Phys.org / Stale bread and bacteria could power a new era in green chemicals

Scientists have found a way to use common bacteria as tiny, green chemical factories to replace a process that currently relies on fossil fuels. In industrial hydrogenation, the hydrogen added to molecules to create products ...

6 hours ago in Biology
Phys.org / Companies see up to 700% return on political investments

The COVID-19 pandemic introduced uncertainty, fear, and an unparalleled economic shock, resulting in the most extensive government stimulus package—totaling $2.9 trillion—in U.S. history. According to a new study, those ...

1 hour ago in Other Sciences