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Medical Xpress / Aspartame sweetener cuts fat, but may harm heart and brain—even at low doses

A study by CIC biomaGUNE and Biogipuzkoa HRI conducted on mice has found that the prolonged intake of sweeteners may exert harmful effects on the function of various organs. Artificial sweeteners are widely used to reduce ...

Dec 18, 2025 in Health
Phys.org / High-energy photons drive conversion of greenhouse gases into high-value chemicals, no catalyst needed

Scientists have found a way to turn carbon dioxide and methane, the two most notorious greenhouse gases, into useful chemicals without any expensive catalysts, using only light.

Dec 14, 2025 in Chemistry
Phys.org / Deep-sea squid caught masquerading as sponge stalks in Pacific abyss

Cephalopods—the class of animals that comprises octopuses and squids—are ubiquitous throughout the ocean, including in the deep sea. However, researchers still don't know very much about the distribution, diversity and ...

Dec 15, 2025 in Biology
Phys.org / 8.2 ka event triggered social transformation, not destruction, at China's Jiahu site

In a recent study, Dr. Yuchen Tan and colleagues examined the response of the North China Plain settlement of Jiahu to the abrupt climatic 8.2 ka event. They found that Jiahu not only survived but also demonstrated remarkable ...

Dec 16, 2025 in Other Sciences
Phys.org / Team shatters 3D nanofabrication limits with meta-optics

Lawrence Livermore National Laboratory (LLNL) engineers and scientists, in collaboration with Stanford University, have demonstrated a breakthrough 3D nanofabrication approach that transforms two-photon lithography (TPL) ...

Dec 18, 2025 in Nanotechnology
Medical Xpress / Small RNA molecule found to control cholesterol and heart disease risk

A team of researchers led by University of California, Riverside biomedical scientists has identified a small, previously overlooked small RNA molecule that plays a major role in controlling the body's cholesterol production ...

Dec 15, 2025 in Cardiology
Phys.org / Identical micro-animals live in two isolated deep-sea environments. How is that possible?

Halalaimus is a microscopic nematode genus commonly found in sediment on the seafloor. It lives 1–5 cm below the sediment surface and grazes on bacteria or organic materials in the sediment.

Dec 18, 2025 in Biology
Medical Xpress / NU-9 halts Alzheimer's disease in animal model before symptoms begin

An experimental drug developed at Northwestern University has demonstrated further promise as an early intervention for Alzheimer's disease.

Dec 18, 2025 in Neuroscience
Phys.org / Mitochondria migrate toward the cell membrane in response to high glucose levels, study shows

Unlike our organs, cell organelles such as mitochondria are not fixed in place, but when, where, how, and why organelles move remain unclear. Research published in the Biophysical Journal shows that when beta cells—the ...

Dec 18, 2025 in Biology
Medical Xpress / WISDOM trial weighs risk-based cancer screening

University of California, San Francisco investigators led WISDOM, a randomized comparison of risk-based breast cancer screening and annual mammography. Rates of stage ≥IIB breast cancers met a noninferiority threshold under ...

Dec 17, 2025 in Oncology & Cancer
Tech Xplore / Putting the squeeze on dendrites: New strategy addresses persistent problem in next-generation solid-state batteries

New research by Brown University engineers identifies a simple strategy for combating a major stumbling block in the development of next-generation solid-state lithium batteries.

Dec 18, 2025 in Engineering
Phys.org / Massive rock layer beneath Bermuda may explain island's unusual elevation

Bermuda may well be associated with exaggerated stories of missing ships and planes, but there is another mystery about this part of the Atlantic that has been puzzling scientists for decades: Why does the island appear to ...

Dec 15, 2025 in Earth