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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.

1 hour 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 ...

1 hour 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.

1 hour ago
Dialog / New mathematical model suggests global population crash by 2064

In a new open-access study that I published with my late colleague Kostya Trachenko from Queen Mary University of London, I propose a surprisingly simple nonlinear mathematical equation that unifies 12,000 years of human ...

22 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.

2 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 ...

3 hours ago
Phys.org / Hydrogen puts quantum wormhole conjecture to the test

A new Physical Review Letters study places constraints on the ER = EPR conjecture, showing that under the authors' assumptions, the conjecture would imply possible alterations to the hyperfine structure and effective charge ...

16 hours ago
Phys.org / 'Butterfly' molecule spotted at last, completing a 20-year quantum zoo hunt

For two decades, physicists have predicted the existence of a remarkable family of exotic molecules: giant atoms bound to ordinary atoms, with an electron so distant from its nucleus that it sculpts the pair into bizarre ...

17 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.

4 hours ago
Phys.org / Rattlesnakes among most vulnerable to fungal disease and parasitic lung infection

Snakes are threatened with extinction in many places around the globe. Disease, often caused by parasites or fungi, is thought to be one of the key factors alongside habitat destruction. Prominent among fungal diseases is ...

8 hours ago
Phys.org / Chaos after queen loss reveals the wasps that keep colonies running

When the loss of a queen wasp triggers a power struggle and social turmoil, colonies can survive the upheaval thanks to helpful wasps that pick up the slack, finds a new study led by UCL researchers.

19 hours ago
Science X / Could one prenatal vitamin reshape how your child remembers words, patterns and places?

Prenatal supplements nourish both mother and baby, helping fill vitamin and mineral deficiencies in the mother while supporting a healthy pregnancy and strong fetal development throughout every stage of pregnancy. Scientists ...

19 hours ago