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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 ...
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 ...
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 ...
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 ...
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 ...
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?
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 ...
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. ...
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 ...
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.
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 ...
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 ...
