All News

Medical Xpress / Is 'yo‑yo dieting' really harmful? New analysis challenges longstanding assumptions about weight cycling

Weight loss followed by weight regain, commonly known as "yo-yo dieting" or weight cycling, is often portrayed as harmful, even more damaging than remaining overweight. But a new comprehensive analysis published in The Lancet ...

5 hours ago
Phys.org / Honey-like heat flow: A new heat transport regime discovered in ultrathin semiconductors

Controlling heat flow is a major challenge for many technologies. In electronic and photonic devices, for example, heat dissipation can limit the performance and efficiency, as well as their potential for further miniaturization. ...

10 hours ago
Medical Xpress / ADHD medications show dosage sweet spots, with little gain above limits

Researchers have identified the best dosage for each ADHD medication using data from thousands of people with the condition. The new study published in The Lancet Psychiatry provides the most comprehensive view of dosage ...

10 hours ago
Medical Xpress / The newborn vitamin K shot: What every parent needs to know

When a baby is born, hospital staff move quickly through a standard checklist of newborn care: taking measurements, administering antibiotic eye ointment to prevent eye infections, and giving a small injection of vitamin ...

5 hours ago
Medical Xpress / What to know about new Ebola outbreak that has killed 65 people in Congo

Africa's top public health body has confirmed a new Ebola outbreak in Congo's Ituri province, the 17th since the disease first emerged in the country in 1976.

2 hours ago
Phys.org / Coal pollution is cutting solar power output worldwide, study finds

New research led by the University of Oxford and University College London (UCL) has revealed that pollution from coal-fired power plants is significantly reducing the energy output of solar photovoltaic (solar PV) installations, ...

14 hours ago
Phys.org / Sunlight-powered generation of correlated photon pairs

Pairs of correlated or entangled photons are a foundational resource in quantum optics. They are most commonly produced through spontaneous parametric down-conversion (SPDC), a nonlinear optical process that typically relies ...

5 hours ago
Phys.org / Climate warming causes bleaching in key Arctic lichen, study finds

Long-term climate warming is causing a bleaching effect in a key Arctic lichen species, according to new research led by researchers in the School of GeoSciences and British Antarctic Survey. Their study shows how rising ...

6 hours ago
Phys.org / Customizable drinks could provide essential nutrients during space missions

After the success of Artemis II, longer space journeys are expected, raising new health and nutritional challenges for astronauts. Current space foods rely on dried, shelf-stable items.

10 hours ago
Phys.org / Fair matching systems can still produce unequal outcomes, new research finds

A computerized matching system can be designed to be fair and still produce unequal outcomes if the people using it do not understand how it works, according to new research published in Organization Science that shows that ...

5 hours ago
Phys.org / Could sea squirts' nano-packaging delivery system help restore sea forests?

How do sea squirts stay attached to rocks amid crashing waves and strong currents? Recent research has revealed that sea squirts do not simply secrete adhesive substances. Instead, they possess a unique system where they ...

10 hours ago
Medical Xpress / Neuronal hyperactivity triggers severe autoimmune brain disorder, researchers discover

In a condition known as "IgLON5 encephalitis," the immune system mistakenly attacks cells in the brain. This leads to brain inflammation and neuronal damage, which can manifest as sleep disturbances, cognitive impairment, ...

10 hours ago