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Phys.org / Disputed Jordan codices reveal age variations under ion-beam scrutiny

Scientists have delivered the most detailed assessment yet of a set of disputed lead books known as the Jordan codices. With debate centered on whether they could date back to the early Christian period, a study led by the ...

Nov 18, 2025 in Other Sciences
Phys.org / Non-contact detection method to identify trace fentanyl

Scientists at the U.S. Naval Research Laboratory (NRL), working with Florida International University's (FIU) Global Forensic and Justice Center, have demonstrated a new method for detecting trace levels of fentanyl using ...

Nov 20, 2025 in Chemistry
Phys.org / A toxin with a useful twist: Diphtheria fragment merges lipid vesicles at neutral pH

Researchers from the SNI network have discovered a novel way to fuse lipid vesicles at neutral pH. By harnessing a fragment of the diphtheria toxin, the team achieved vesicle membrane fusion without the need for pre-treatment ...

Nov 19, 2025 in Nanotechnology
Phys.org / Cells 'pull the emergency brake' when oxygen runs low, research reveals

When human cells lack oxygen, they must react. Without oxygen, the metabolism can hardly generate energy, and many vital processes begin to falter. A research team from Bielefeld University, together with international partners, ...

Nov 19, 2025 in Biology
Medical Xpress / Bacteria 'pills' could detect gut diseases—without the endoscope

Colonoscopies may one day have some competition—researchers report in ACS Sensors that they've developed a sensor made of tiny microspheres packed with blood-sensing bacteria that detect markers of gastrointestinal disease. ...

Nov 19, 2025 in Gastroenterology
Medical Xpress / Decoding real-life fear for precision social anxiety treatments

Researchers at The University of Hong Kong (HKU) have unveiled a transformative approach to understanding and treating social anxiety, challenging decades of laboratory-based assumptions and opening doors to targeted therapies.

Nov 20, 2025 in Psychology & Psychiatry
Phys.org / Scientists observe metabolic activity of individual lipid droplets in real time

A research team has developed a fluorescent probe that allows scientists to visualize how individual lipid droplets break down inside living cells in real time. The probe changes its fluorescence properties depending on the ...

Nov 19, 2025 in Chemistry
Phys.org / Subtle 'twists' control light in perovskites for improved LEDs, solar cells and quantum technologies

Research has revealed how minute structural modifications in advanced perovskite materials critically influence their light-emission properties.

Nov 19, 2025 in Chemistry
Medical Xpress / Everyday routines in early infancy may shape later obesity risk

In the United States, approximately 14.7 million children and adolescents between the ages of 2 and 19 are living with obesity, according to the Centers for Disease Control and Prevention. Since children living with obesity ...

Nov 20, 2025 in Overweight & Obesity
Medical Xpress / Clinical tool helps predict which brain tumors will require treatment

A new study has shown that a clinical tool developed by the University of Liverpool and The Walton Center can accurately predict whether the most common type of brain tumor will grow or cause symptoms, helping doctors and ...

Nov 20, 2025 in Oncology & Cancer
Medical Xpress / Pause and rewind: How the brain keeps time to control action

Whether speaking or swinging a bat, precise and adaptable timing of movement is essential for everyday behavior. Although we do not have sensory organs like eyes or a nose to sense time, we can keep time and control the timing ...

Nov 19, 2025 in Neuroscience
Dialog / Drop-to-deploy: How bistable mechanics unfold structures in under a second

Traditional deployable systems—relying on pneumatic pumps, electric motors, magnets, or manual assembly—often require bulky power systems or multiple steps. We began exploring whether a simpler, non-electronic alternative ...

Nov 19, 2025 in Engineering