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Phys.org / Megawatt structured light arrives with 3,070 optical vortices in one array

Optical vortices—light beams carrying orbital angular momentum (OAM)—are characterized by helical wavefronts and phase singularities. While they have been widely studied in recent decades, two fundamental limitations have ...

Apr 9, 2026
Phys.org / Hidden ocean feedback loop could accelerate climate change

The world's oceans may be quietly amplifying climate change in ways scientists are only beginning to understand. In a new study published in Proceedings of the National Academy of Sciences, University of Rochester scientists—including ...

Apr 9, 2026
Phys.org / Medieval Japanese poetry and buried trees help elucidate volatile space weather

On Earth, extreme solar activity often appears as beautiful, benign auroras. But venturing beyond the safety of the Earth's magnetic field, one faces the full brunt of a temperamental star that can suddenly erupt with flares ...

Apr 9, 2026
Phys.org / Polymers built inside the body through blood-catalyzed chemistry allow on-demand brain control

The 19th-century science fiction novel Frankenstein explores the idea of combining artificial materials with human body components, purely as a matter of imagination. Two centuries later, such concepts have become integral ...

Apr 6, 2026
Medical Xpress / CBD found to reverse brain damage in mouse model of Alzheimer's disease

Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive memory loss, cognitive decline, and behavioral changes. The deficits linked to AD are known to result from the abnormal accumulation of ...

Apr 7, 2026
Tech Xplore / Online viewers prefer livestreams to recordings

In an era when most TikTok videos are prerecorded, can a band with a new single create a tighter bond with fans by debuting via livestream instead? Can a business do the same when promoting a new product?

Apr 9, 2026
Medical Xpress / Sauna heat sends white blood cells surging through your bloodstream, study finds

Sauna bathing releases white blood cells into the bloodstream, a new study from Finland shows. Circulating white blood cells play a key role in the body's defense against various pathogens and diseases. The results were published ...

Apr 9, 2026
Phys.org / Why treelines don't simply rise with the climate

A global study by the University of Basel, Switzerland, reveals a surprising picture: While 42% of treelines worldwide are shifting upslope, 25% are retreating. This seemingly contradictory trend involves more than just warming. ...

Apr 9, 2026
Phys.org / Non-producing oil and gas wells may emit microbial methane at rates 1,000 times higher than previously estimated

Microbial methane leaking from non-producing oil and gas wells is being emitted at rates about 1,000 times higher than previously estimated, according to a new study led by McGill University researchers. "Origins of Subsurface ...

Apr 9, 2026
Phys.org / Hat wars of early modern England reveal how manners make the rebel

From refusing to doff hats in court to resisting hat-snatching highway robbers, England's relationship with hats goes far deeper than fashion, new research shows.

Apr 9, 2026
Phys.org / Great apes mirror facial expressions with surprising precision, study shows

New research from the University of Portsmouth has found that great apes exhibit exactness in mimicking one another's facial expressions in social contexts. The study, published in Scientific Reports, explored how orangutans ...

Apr 9, 2026
Medical Xpress / Novel, fast-acting therapy benefits patients with platelet disorder in phase 2 trial

Results from a phase 2 clinical trial designed and overseen by researchers at Mass General Brigham Cancer Institute show that the investigational medication mezagitamab can effectively boost platelet counts in patients with ...

Apr 11, 2026