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Medical Xpress / Conscious perception of hunger, not just glucose levels, can drive mood swings

When we are hungry, our mood often drops—a phenomenon known colloquially as "hangry." A new study by the University Hospital Bonn (UKB), the University of Bonn, and the University Hospital Center Tübingen now shows that ...

Dec 9, 2025 in Psychology & Psychiatry
Tech Xplore / What's my age again? The tech behind Australia's social media ban

Tech giants will apply multiple layers of security to weed out young users under Australia's world-first ban on social media for under-16s.

Dec 9, 2025 in Internet
Medical Xpress / Health impacts related to 'forever chemicals' linked to billions in economic losses

The negative health impacts from contamination by so-called forever chemicals in drinking water costs the contiguous U.S. at least $8 billion a year in social costs, a University of Arizona-led study has found.

Dec 8, 2025 in Health
Phys.org / Cosmic gas flows, not collisions, explain Milky Way's double chemical signature

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been revealed by a new study.

Dec 8, 2025 in Astronomy & Space
Phys.org / Parasitic fungus may have emerged 18 million years before the ants with which it lives today

A genus of fungi previously considered a parasite of fungi associated with ants may actually have much more complex ecological functions. According to a study published in the journal Communications Biology, one piece of ...

Dec 8, 2025 in Biology
Phys.org / Lower-cost space missions like NASA's ESCAPADE are starting to deliver exciting science, but at a risk

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has finally begun its roundabout journey to Mars.

Dec 9, 2025 in Astronomy & Space
Medical Xpress / Inconsistent sleep patterns in adolescents found to have widespread negative effects on the developing brain

Adolescents often sleep less than recommended and have substantially different sleep patterns on weekdays and weekends. Their mismatch in sleep timing between school and free days, known as social jet lag, has been linked ...

Dec 9, 2025 in Neuroscience
Medical Xpress / Growth hormone directly regulates stem cells in bone growth plates, revealing a delicate balance

Researchers at the University of Gothenburg can now demonstrate previously unexplained processes behind growth therapy. It involves hormonal mechanisms at the cellular level, with focus on a sensitive balance between stem ...

Dec 9, 2025 in Medical research
Medical Xpress / Powerful new brain PET scanner is opening new research pathways

At the Yale Positron Emission Tomography (PET) Center, an ultra-high-performance brain-dedicated scanner called the NeuroEXPLORER (NX) is redefining what is possible in brain PET imaging.

Dec 9, 2025 in Neuroscience
Phys.org / Museum staff are overwhelmingly in favor of behind-the-scenes tours

If natural history museums can be said to have a problem, it's that they have too many specimens for any one person to see and not nearly enough exhibit space to show them off. The Florida Museum of Natural History, for example, ...

Dec 9, 2025 in Other Sciences
Tech Xplore / How 'everyday AI' encourages overconsumption

From automatically generated overviews to chatbots in spreadsheets, so-called artificial intelligence is increasingly being integrated into our watches, phones, home assistants and other smart devices.

Dec 9, 2025 in Consumer & Gadgets
Medical Xpress / Team discovers how to target 'undruggable' protein that fuels aggressive leukemia

Researchers at the UCLA Health Jonsson Comprehensive Cancer Center have identified a small molecule that can inhibit a cancer-driving protein long considered impossible to target with drugs—a discovery that could open the ...

Dec 9, 2025 in Oncology & Cancer