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Phys.org / Heat-stable enzyme from deep-sea microbe turns nitrogen gas into ammonia
Microorganisms can do remarkable things—for example, nitrogen fixation, the conversion of nitrogen gas (N₂) into a form that organisms can use. Although nitrogen gas makes up around 78% of Earth's atmosphere, plants and animals ...
Medical Xpress / Watching sports on YouTube doesn't mean you'll get off the couch, new research shows
YouTube has become a go-to platform for sports content, offering far more than traditional game broadcasts and sports news. Alongside highlights and commentary, viewers can find content tailored to their interests, including ...
Phys.org / Drought-flood alternation under climate change
Climate change is increasing the frequency of both droughts and floods, meaning back-to-back extreme events are also on the rise. These rapidly alternating crises can harm people in complex ways. For example, back-to-back ...
Tech Xplore / As the world debates the risks of AI, China closes the technology gap with the US
As the rapid development of artificial intelligence triggers a renewed debate about its risks, the United States and China keep racing to develop increasingly powerful models.
Medical Xpress / New culture membrane mimics the native intestinal environment
The human intestine is a soft, flexible tissue. Yet the environments traditionally used to culture intestinal cells in the laboratory are strikingly different from those found in the body. Conventional culture platforms are ...
Phys.org / A famous galaxy's black hole has been hiding its most violent behavior
Astronomers have found that a nearby galaxy's black hole is blasting out a far more powerful and hidden gas outflow than previously realized. Studying NGC 1068, a well-known galaxy with an actively feeding black hole at its ...
Phys.org / Avoiding a sticky situation: How cells stop messenger RNAs from clumping together
Messenger RNA, or mRNA, is best known for carrying genetic instructions from DNA to the cellular machinery that makes proteins. But all RNA molecules have another, less appreciated property: They are naturally sticky.
Medical Xpress / New study sheds light on dementia among Indigenous Bolivians
In two Indigenous communities living preindustrial lifestyles in the Bolivian Amazon, dementia is remarkably uncommon. However, a new longitudinal study reveals why earlier estimates told only part of the story.
Phys.org / For many group-living females, breeding and raising young are shared endeavors
Some female animals living in groups raise offspring that are not their own, sometimes without reproducing themselves. While the behavior of cooperatively breeding species is well documented, some aspects remain poorly understood.
Phys.org / Is science journalism dying? Comparing a 'science crash' 40 years ago to today
When two popular science magazines—out of about 17 in circulation—ceased publication in the same year, one commentator said, "The science magazines didn't shake out. They fell apart." The general manager of one of the failed ...
Phys.org / Satellite data reveal ESG scores track public image more than actual forest loss
Environmental sustainability researchers at NUS found that widely used environmental, social and governance (ESG) ratings often fail to reflect companies' actual exposure to deforestation, highlighting the need to integrate ...
Medical Xpress / Cancer drug pushes mutant blood stem cells to become short-lived immune cells
The biologic drug interferon-alpha can benefit patients with blood cancers called myeloproliferative neoplasms by forcing mutant blood stem cells to become shorter-lived white blood cells, according to a study by Weill Cornell ...
