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Phys.org / Earlier ultra-relativistic freeze-out could revive a decades-old theory for dark matter
A new theory for the origins of dark matter suggests that fast-moving, neutrino-like dark particles could have decoupled from Standard Model particles far earlier than previous theories had suggested.
Tech Xplore / 210,000 portable power banks sold on Amazon recalled after fire reports
A popular portable phone charger sold online has been recalled after reports that it can overheat and catch fire, federal officials said.
Phys.org / New deep-sea species discovered during mining test
There is high global demand for critical metals, and many countries want to try extracting these sought-after metals from the seabed. An international study, which has discovered large numbers of new species at a depth of ...
Medical Xpress / FDA approves Itvisma for spinal muscular atrophy
The U.S. Food and Drug Administration has approved Itvisma (onasemnogene abeparvovec-brve) for the treatment of spinal muscular atrophy (SMA) in patients 2 years and older with confirmed mutation in the survival motor neuron ...
Phys.org / Discovering how time shapes the lives of birds
New research from Te Herenga Waka Ph.D. graduate Tirth Vaishnav is exploring how birds' behavior and ecology vary across seasons and in response to both natural and human-driven environmental changes.
Phys.org / Musk denies reports of SpaceX seeking $800 billion valuation
Elon Musk has denied news reports that his rocket and satellite maker SpaceX is seeking a $800 billion valuation through a share sale.
Tech Xplore / Why OpenAI is a prime example of the ethical limits of capitalism
As OpenAI marks its tenth birthday in December 2025, it can celebrate becoming one of the world's leading companies, worth perhaps as much as US$1 trillion (£750 billion). But it started as a non-profit with a serious moral ...
Medical Xpress / Why are hepatitis B shots given to newborns? Can birth doses wait? Here's what to know
On Dec. 5, a federal vaccine advisory panel voted to change the long-standing recommendation that all newborns receive a dose of the hepatitis B vaccine.
Phys.org / Human hair grows through 'pulling' not pushing, study shows
Scientists have found that human hair growth does not grow by being pushed out of the root; it's actually pulled upward by a force associated with a hidden network of moving cells. The findings challenge decades of textbook ...
Medical Xpress / New crisis management model for professional soccer
When does a soccer team really face a crisis—and in which situations is the dismissal of a coach nothing but an over-hasty reaction? In a recently published study, researchers at Karlsruhe Institute of Technology (KIT) ...
Medical Xpress / Doctors rail against weakening hepatitis B vaccine recommendation
On Dec. 5, the Committee on Immunization Practices voted to approve new recommendations delaying the child hepatitis B vaccine for infants, providing a win for the Make America Healthy Again movement while troubling many ...
Phys.org / Dollar stores may increase food deserts in under-resourced U.S. cities
A new study from University of Florida food economists has found that building dollar stores may create food deserts in specific city environments, while having no impact on grocery access when they enter other areas.