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Phys.org / Divers may think they protect reefs, but one unseen habit is taking a steady toll

Research at the University of Sydney has found that scuba-diving tourism—widely promoted as a sustainable way to experience coral reefs—is causing frequent and often hidden damage to fragile marine ecosystems.

2 hours ago
Tech Xplore / Optical wireless quantum security: Free-space QKD and Li-Fi in one system

The German consortium QuINSiDa has achieved a major step toward mobile quantum-secure communication. They demonstrated a one-of-a-kind free-space data transfer channel supporting, for the first time, LiFi and major quantum ...

1 hour ago
Phys.org / Researchers upcycle pomegranate peel into high-performance water purifier

Pomegranate peel discarded by food vendors could soon help clean up contaminated water, thanks to research from the Department of Chemistry at the Faculty of Science. Led by Professor Sam Li, the research team developed a ...

1 hour ago
Medical Xpress / Rare 'burrowing' oral cancer shows distinct genetic profile for early diagnosis

Cancer diagnosis can be challenging, and delayed diagnosis can allow cancer to progress, complicating treatment. Oral squamous cell carcinoma (OSCC), the most common type of oral cancer, can sometimes mimic benign conditions, ...

2 hours ago
Phys.org / Nearly half of every T-shirt goes to waste before you even buy it

The global consumption of clothing is enormous. However, a significant portion of the textile fibers is lost before the garments even reach the market. "When we talk about textile waste, the debate often focuses on the clothes ...

2 hours ago
Medical Xpress / Memory decline after menopause linked to loss of estrogen production in brain tissue

A largely overlooked space between cells in women's brains may hold the key to understanding memory loss tied to estrogen decline after menopause, reports a new preclinical Northwestern Medicine study.

4 hours ago
Phys.org / How to encourage a friend to get therapy (without blowing up your friendship)

You're trying to be a supportive, empathetic friend. You listen as they outline significant challenges in their life. Maybe they're feeling low or stressed, or there's tension at home or in relationships.

2 hours ago
Phys.org / How Mars can help us understand 'marginal' exoplanets

Mars holds a special place in the solar system. It represents marginal habitability. This means it transitioned from warm and wet and potentially hospitable, to cold and dry and inhospitable.

2 hours ago
Medical Xpress / From purling to puzzles, these hobbies could reduce dementia risk

Dementia is now the leading cause of death in Australia.

2 hours ago
Phys.org / Tiny on-chip circuit could power next-generation quantum and AI technologies

Researchers from Monash University have developed a breakthrough nanoscale circuit that can generate, direct, and read light-based information, all on a single chip.

5 hours ago
Medical Xpress / Wearable ultrasound patch for high-risk pregnancies could improve care

Engineers at the University of California San Diego have created a soft, wearable ultrasound patch that can continuously monitor a fetus for hours at a time—and it can do so consistently even as the fetus and umbilical cord ...

4 hours ago
Medical Xpress / Direct-to-consumer pharmacies could save commercially insured patients 85% on high-cost generic drugs, report suggests

A report comparing the Mark Cuban Cost Plus Drug Company (MCCPDC) to copayments or coinsurance under employer-sponsored insurance found that patients with high-cost generic prescriptions could lower their out-of-pocket costs ...

2 hours ago