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Phys.org / What happens to a star that captures a primordial black hole?

We don't know whether theorized primordial black holes (PBH) are real. If they are, they formed in the very early universe, when physics was much different. They had no stellar progenitors and were created by the direct collapse ...

4 hours ago
Medical Xpress / A heritable 'brake' for stopping cocaine use in rats

Cocaine produces strong euphoric effects, but many users experience unpleasant effects after the rewarding aspects of the drug wear off, which serve as a "brake" for continued use. Research suggests that those who go on to ...

9 hours ago
Phys.org / Toward standardized microplastics monitoring in rivers

Microplastics (MPs), defined as plastic fragments smaller than 5 mm, have become so pervasive that they are detectable in nearly every environment studied—from remote ocean trenches to urban air, tap water, and human blood. ...

4 hours ago
Phys.org / Mobile money can fight poverty, but trust is vital

Mobile money can help people without bank accounts take part in the economy, but trust and fairness will ultimately determine whether it succeeds, a new study has found.

9 hours ago
Tech Xplore / Researchers demonstrate hydrogen as a viable aviation fuel

Researchers from Swansea University are celebrating their role in a major aviation milestone following the successful completion of a four-year international program led by Rolls-Royce and easyJet to demonstrate hydrogen ...

10 hours ago
Phys.org / Luxury brands turn memes into more shares, clicks and laughs across four experiments

Luxury brands have increasingly embraced internet memes in their social media advertising campaigns. For example, Gucci's #TFWGucci campaign demonstrated how luxury brands can incorporate memes into their digital communication ...

10 hours ago
Medical Xpress / Rising brain disease cases mask three distinct trends across Parkinson's, MS and ALS

The number of patients living with neurodegenerative diseases that affect movement is rising steadily. Yet a large-scale study from the Paris Brain Institute and the Karolinska Institutet in Stockholm shows that this is not ...

10 hours ago
Medical Xpress / Novel disorder causing severe respiratory dysfunction linked to loss-of-function gene variant

A new report in the American Journal of Human Genetics describes a novel disorder caused by biallelic loss-of-function variants in the TMEM63B gene, which results in severe lung disease. Researchers at Baylor College of Medicine, ...

9 hours ago
Phys.org / Q&A: Expert discusses 250 years of sports in the United States

Sports in the United States look very different than they did when the nation was founded 250 years ago, according to Mark Dyreson, professor of kinesiology and history at Penn State. But one thing has remained constant—sport ...

5 hours ago
Phys.org / Why plant cells need heme: Hidden signal reshapes photosynthesis gene control

For plants, light is an important environmental factor not only as a source of energy for photosynthesis, but also as a signal for capturing environmental information. Light signals are sensed by photoreceptor proteins called ...

10 hours ago
Tech Xplore / UK Home Office to use AI age estimation on asylum seekers—how accurate is the technology?

Starting next year, the Home Office plans to use AI-driven facial age estimation to assess the age of asylum seekers. At the UK border, deciding whether someone is 17 or 19 is a consequential judgment. Get it wrong one way, ...

9 hours ago
Phys.org / Secondary silylium ion drives one-pot ketone sulfonamidation, reaching 95% yields

A research team has developed a novel organocatalysis method based on a silylium Lewis acid. This technology employs an ion-pair catalyst combining a diethylsilylium ion with a weakly coordinating anion, enabling the direct ...

11 hours ago