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Medical Xpress / One-third of dementia cases are linked to non brain-related diseases, study finds

Dementia is a term used to describe memory loss, impaired reasoning, difficulties communicating and other mental impairments that can be caused by Alzheimer's disease, other neurodegenerative disease, strokes, severe infections, ...

7 hours ago in Neuroscience
Phys.org / Terahertz microscope reveals the motion of superconducting electrons

You can tell a lot about a material based on the type of light shining at it: Optical light illuminates a material's surface, while X-rays reveal its internal structures and infrared captures a material's radiating heat. ...

3 hours ago in Physics
Phys.org / Poop as medicine? A Roman vial's chemistry backs up ancient medical texts

When some ancient Romans were feeling a little under the weather, they were treated with human feces. While this practice was mentioned in ancient Greco-Roman medical texts by figures such as Pliny the Elder, there was no ...

3 hours ago in Other Sciences
Phys.org / Simulations and supercomputing calculate one million cislunar orbits

Satellites and spacecraft in the vast region between Earth and the moon and just beyond—called cislunar space—are crucial for space exploration, scientific advancement and national security. But figuring out where exactly ...

1 hour ago in Astronomy & Space
Phys.org / Scientists use RNA nanotechnology to program living cells, opening a new path for cancer cure

Scientists at Rutgers University–Newark have developed a first-of-its-kind RNA-based nanotechnology that assembles itself inside living human cells and can be programmed to stop propagation of harmful cells. The findings, ...

2 hours ago in Nanotechnology
Phys.org / Researchers uncover a one-hour 'crown' checkpoint that enables malaria reproduction

A new study has uncovered a hidden step that helps the deadliest malaria parasite survive and multiply inside the human body. Researchers studying Plasmodium falciparum found that the parasite relies on a brief but essential ...

2 hours ago in Biology
Tech Xplore / Extending optical fiber's ultralow loss performance to photonic chips

Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical fiber at visible wavelengths. This accomplishment paves the way for a new generation of ultra-coherent ...

Phys.org / Astronomers trace a runaway star to a former companion's supernova

Astronomers have strengthened long-standing predictions that massive runaway stars could have originated in binary pairs, and were dramatically ejected into space when their companion stars underwent supernova explosions. ...

3 hours ago in Astronomy & Space
Medical Xpress / Initiation of hormone therapy after age 65 remains risky but still works for some women

Hormone therapy (HT) has proven effective for managing hot flashes and other common menopause symptoms, but questions remain about long-term safety, especially in women aged older than 65 years. A new study evaluated the ...

Phys.org / Temperature of some cities could rise faster than expected under 2°C warming

New research led by the University of East Anglia (UEA) shows how many tropical cities are predicted to warm faster than expected under 2°C of global warming.

2 hours ago in Earth
Phys.org / 'Red Potato' galaxy discovered by astronomers

Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new massive and quiescent red galaxy, which they dubbed "Red Potato." The discovery was reported in a research paper published ...

4 hours ago in Astronomy & Space
Phys.org / Orange, camphor-smelling solid could be a key to the next generation grid-storage batteries

An orange solid with a camphor-like odor has helped aqueous zinc-iodide batteries move a large step closer to supplying safe and economic grid and household energy storage.

2 hours ago in Chemistry