'Imposing ignorance': US climate science under siege
A benchmark U.S. report on the fast-changing state of the Arctic has been canceled. The nation's top research body has removed a chapter on global warming from a reference manual for judges.
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Germany's dry rivers spark battle over engineering vs. restoration
As a heat wave dries Germany's rivers, government ministers are at odds over what to do about it—re-engineer the waterways or restore them to their natural state.
Uniaxial strain reveals new way to tune electron flow in altermagnet material
Altermagnetism is a new, third type of magnetism of great interest for spin-transport applications like computer memory. If properly harnessed, it could combine the benefits of the two existing types of magnetism, ferromagnetism and antiferromagnetism, ultimately reducing or
A 236-million-year-old fossil challenges the story of mammalian live birth
Some cynodonts may have been giving birth to live young much sooner in evolutionary history than previously assumed. A new Frontiers in Mammal Science study has offered the first compelling evidence that cynodonts may have been viviparous—a reproductive mode characterized by
These mammal ancestors birthed live young far earlier than thought
Growth rings on a fossil bone suggest at least one mammal ancestor gave birth to live young rather than laying eggs 236 million years ago.
This South African river has a bacteria count off the charts: A natural filter is cleaning it for watering food gardens
Every day, millions of liters of polluted water flow through many South African rivers and disappear into the sea.
EU curbs on 'forever chemicals' in food packaging kick in
New EU restrictions on toxic substances known as "forever chemicals" in food packaging kicked in Wednesday, along with broader rules aimed at cutting packaging waste in the bloc.
African grasslands expanded 5 million year earlier than previously thought, molecular fossils suggest
The iconic grassland savannas of Africa are geographically extensive and important for both local fauna and the global climate. But where did they come from, and how will they change in the future? Ongoing warming, rising CO2 levels and shifting rainfall patterns are likely to
AI‑designed viruses are a test of whether biosecurity can keep pace
Scientists have crossed an important line in biological engineering. In a recent study, researchers used artificial intelligence to design complete sets of genetic instructions for bacteriophages, viruses that infect bacteria. Some of those computer-generated designs produced
Drug-carrying nanoparticles shrink venous malformations by 70% in mice
Venous malformations are abnormally shaped veins that develop when the cells lining blood vessels grow too fast when they aren't supposed to. Children can be born with them, and as the child grows, the venous malformations can get bigger. Venous malformations are a type of
Models of glacial collapse in Antarctica improve predictions of sea-level rise
With approximately one-third of the world's population living within a day's walk of a coastline, sea-level rise poses a serious global threat. Every centimeter of sea-level rise could displace 1.5 million people, and current estimates range from half a meter (1.6 feet) to 2
Unsupervised free time increases the likelihood that adolescents will engage in violent behavior, 21-country study finds
A study involving more than 58,000 adolescents from 21 countries found that "unstructured free time"—defined as periods without adult supervision or activities guided by educational, cultural or athletic goals—is strongly associated with delinquent behavior and exposure to
What it's like to discover an ancient Egyptian tomb, and the race against time to preserve it
Looking inside a newly discovered ancient tomb for the first time is both exciting and terrifying. I was fortunate to experience this recently as director of an international research team carrying out fieldwork in the Theban necropolis, a UNESCO World Heritage Site near the
Ultrafast flash Joule heating significantly reduces MXene manufacturing time
MXenes are two-dimensional materials made of very thin layers of metals, measured on the atomic scale. They conduct electricity well and have surfaces that can easily interact with other materials, making them excellent candidates for advanced electronic devices, computers and
Space travel doesn't affect the strength of heart muscle cells, study finds
It's common to see images of astronauts on the International Space Station exercising, running on special treadmills and pedaling cycles designed for tight quarters.
Graphene nanowrinkles could reshape electricity in future ultrathin devices
Rice University researchers have shown that tiny wrinkles in graphene can change the material's electrical properties, providing evidence for flexoelectricity, a phenomenon in which a material generates an electric charge when it bends unevenly. The findings are published in
A dying star offers a rare glimpse of how the universe recycles its raw materials
Astronomers have captured an unprecedented image of a cosmic recycling project in progress—fragments of a dying star being busted up, stripped and absorbed into interstellar space.
Putting out wildfires: How peat restoration has reduced fire risk in Indonesia's tropical forests
Peatland fires in Indonesia pose a major threat to habitats, wildlife and people. That risk is exacerbated by the country's periodic El Niño warming phases, which bring prolonged drought.
Extraordinary Experiences Are More Common Than You Think
How you make sense of the experience shapes its impact your well-being The post Extraordinary Experiences Are More Common Than You Think appeared first on Nautilus .
Fast-moving wildfires may prevent western forests from recovering
The severe, drought-fueled fires now burning across much of the American West and Canada may be scorching forests so thoroughly that they cannot recover to the forests they once were, new research shows. A study by Colorado State University, Western Colorado University and
Pain isn't the point: European viper venoms may have evolved to subdue prey
For many people, the fear of venomous snakes is linked to one thing: pain. Yet new research led by scientists at Bangor University suggests that, for Europe's vipers, at least, causing pain may never have been a driving force in the evolution of their venom.
Greener processing cuts cost of novel material for water decontamination
University of Birmingham scientists who used green chemistry to make a next-generation metal-organic framework (MOF) for capturing heavy metals from wastewater have shown that it is cheaper and more resource-efficient to produce than a similar MOF processed conventionally.
Wars between nations face persistent escalation risk, decades of conflict data suggest
Military leaders frequently underestimate how big the wars they engage in will get. Gen. Douglas MacArthur predicted U.S. troops could come home from the Korean War in time for Christmas, just months after the conflict started. But Chinese attacks that winter extended the war
Novel polymer membrane design improves high-purity hydrogen separation
In Nature Communications a research team led by Professor Tae-Hyun Bae of the KAIST Department of Chemical and Biomolecular Engineering introduced hydrogen-selective transport pathways at the angstrom scale inside polymer membranes and clarified their separation performance
First supernovae may have seeded rocky planet building blocks 100 million years after the Big Bang
The building blocks of rocky planets may have begun forming just 100 million years after the Big Bang—long before the first galaxies even existed—according to new research from the University of Portsmouth.
Soil-dwelling myxobacteria reveal five new classes of bioactive compounds
Most antibiotics used clinically are based on natural compounds produced by bacteria and other microorganisms. At the Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), researchers are using soil-dwelling myxobacteria as a source of new active ingredients. They
A $10 soil test goes global with virtual reality training for farmers
Last year, we described Agrilo, an affordable "colorimetric" soil-testing system developed through research at MacEwan University. Using a smartphone camera to interpret color changes, Agrilo measures soil nutrients and can provide farmers with timely guidance to support
Estrogen-only hormone therapy could lower risk of Alzheimer’s
In a retrospective study, people taking estrogen-only hormone therapy for menopause were less likely to see signs of dementia
Europe's worst medieval flood highlights risk of successive extreme events
New research involving the University of Liverpool has provided comprehensive insights into the largest flood event in Europe over the past millennium—the flood traditionally known as "St. Mary Magdalene's Flood" of 1342.
DNA research highlights the genetic vulnerability of Asian elephants
The DNA of Asian elephants tells a concerning story. Although all four subspecies are under pressure, there are considerable differences in their genetic health. In an article published in the journal Genome Biology and Evolution, researchers show how whole-genome analyses can
Severe weather now a key predictor of where bird species occur in North America
Scorching heat waves, severe cold snaps and other extreme weather events are limiting where species can exist—and affecting biodiversity estimates—for more than 500 North American bird species, according to a new, Yale–led study. The issue is particularly acute in the Great
An open-source tool for automated consolidation of lipid data
In collaboration with the University of Vienna, the Technical University of Munich (TUM), and Heidelberg University, researchers at the TUD Dresden University of Technology have developed an innovative tool that significantly simplifies lipid research. The new open-source
Sugar swap simplifies production of promising targeted cancer therapies
Researchers at the University of Wisconsin–Madison have developed a simpler way to produce a fast-growing class of targeted cancer therapies, a discovery that could make the medicines easier to manufacture consistently while driving the development of new treatment options.
Is Cannabis Good for Your Heart?
You might be surprised. (Scientists were.) The post Is Cannabis Good for Your Heart? appeared first on Nautilus .
Cutting traffic pollution alone could worsen Taiwan's haze
Taiwan's air has gotten measurably cleaner over the past decade, yet in many towns the hazy, milky-white sky that blurs mountains and city skylines has not cleared at the same pace. A research team led by Prof. Ta-Chih Hsiao from the Graduate Institute of Environmental
Stellar stream beyond Milky Way offers new tool to map dark matter
In the image above, a faint trail of stars can be seen stretching across the galaxy. These structures, known as globular cluster stellar streams, are coherent stellar structures that retain a record of their dynamical history and can provide unique insights into the evolution
Genetic switch could help tomatoes produce fruit in cold weather
Every tomato begins with a flower. But before a fruit can grow, an intricate sequence of events must happen in perfect order. The flower's male and female organs must develop together, pollen must be released at exactly the right time, and fertilization must occur.
Negotiation is a routine part of daily life, not a rare high-stakes event
Many people think of negotiation as something reserved for salary talks, car purchases, or business deals: infrequent, high-stake encounters most people would rather avoid. A new study shows that this assumption is misleading. Negotiation is, in fact, a routine part of everyday
Single synthetic peptide forms electrically polarized, self-healing hydrogel
Researchers from the RIKEN Center for Sustainable Resource Science (CSRS) and RIKEN Pioneering Research Institute (PRI) in Japan, together with collaborators from the University of Münster, Germany, have developed a new hydrogel that offers significant advantages over others
Estrogen therapy is linked to fewer signs of Alzheimer’s in the brain
Estrogen-only menopause therapy in older women was linked to less Alzheimer’s brain pathology at autopsy but may not prevent the disease.
Claim that science is becoming less disruptive challenged after years-long publication delay
A widely cited Nature cover article from 2023 claimed that scientific innovation has significantly declined in recent decades. This finding was based on a citation analysis of large sets of metadata concerning scientific papers and patents. Researchers from Vrije Universiteit
Microbes turn CO₂ into protein and vitamin B9 at commercially viable prices
Researchers are developing biotechnological processes that enable microbes to produce proteins and vitamins for human consumption using basic chemical ingredients, such as carbon dioxide, hydrogen and oxygen—entirely bypassing livestock farming and agriculture. Because these
Study demonstrates that restricting short-term rentals improves housing affordability
Municipal regulation of short-term rentals "is low-hanging fruit" that helps improve housing affordability, a new study by McGill researchers suggests. The research shows that rents were relatively lower in Canadian municipalities that imposed restrictions on when and how
See the 2026 total solar eclipse from around the world
From a partial eclipse over Berlin to totality over Spain, see some of the incredible images of the August 12 total solar eclipse
AI tool could help veterinarians track heart disease more precisely
For dogs with heart disease, a fraction of a centimeter can make a life-changing difference. Veterinarians often rely on chest radiographs to monitor subtle changes in heart size that help determine when treatment should begin. But those measurements can vary from one doctor to
History, not age, determines the genomic importance of ancient trees
Ancient trees—those that are remarkably old for their species—are declining worldwide, raising concerns about the loss of the ecological and evolutionary history they represent. Their exceptional longevity has long encouraged the idea that they act as genetic reservoirs,
Tourists rush to Mount Etna as Italian volcano erupts
Spectacular images of lava flowing down the slopes of erupting Mount Etna have drawn flocks of tourists to the Italian volcano—to the concern of local guides.
New frog species discovered in the Amazon's flooded forests
Scientists from Brazil and other countries have discovered a new species of frog in the flooded forests of the western Amazon. They named it Adenomera varcena. This finding significantly advances our understanding of Amazonian biodiversity and cryptic diversity, or cases in
Satellite constellations could create spiraling space debris
To date, close to 30,000 satellites have been launched into Earth's orbit, leading to mounting concerns over the debris created when they collide. In a new analysis posted to the preprint server arXiv, Hugh Lewis of the University of Birmingham shows that satellite
Credit ratings can shape corporate financial decisions
On the surface, credit rating agencies simply score a company's financial health. They look at a business's equity and debt and diagnose how risky it is for investors. They slap on a letter grade to show how likely it is to repay its debts.
