How 'smart' hydrogel packaging tells you if your food is still fresh
The cuts of meat in a supermarket case can look perfectly fresh even as bacteria are already multiplying inside the package. Is there a way to know before you open it?
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Charting the galaxy: Milky Way Mapper survey releases latest all-sky spectra
The Sloan Digital Sky Survey V (SDSS-V) has announced its 20th public data release (DR20), delivering a dramatic expansion of the Milky Way Mapper (MWM) scientific survey—the most detailed spectroscopic map yet assembled of stars in and around our home galaxy.
One ant can trigger colony-wide activity bursts, mathematical model suggests
Scientists have long known that ant colonies sometimes seem to move as one. A nest that appears quiet can suddenly erupt into activity, with workers throughout the colony springing into motion almost simultaneously before settling back into stillness.
Decoding the North American bison's genome to better inform conservation efforts
A new study by ancient DNA researchers at the University of California, Santa Cruz, used paleogenomics to create a genetic roadmap to help guide the restoration of another iconic species once on the brink of extinction: the North American bison.
Researchers demonstrate first fully solution-processed solid-state polariton laser
Researchers have demonstrated a solid-state organic laser microcavity fabricated entirely by solution processing. The device operates in the strong light–matter coupling regime, where light and matter form hybrid states called polaritons. This makes the platform not only a new
Life Originated Twice on Earth
New research traces the origins of our metabolism back in time The post Life Originated Twice on Earth appeared first on Nautilus .
Never-before-seen woven structure that forms naturally inside a crystal discovered
For the first time, scientists have observed a three-dimensional woven structure forming naturally inside a crystal, revealing a previously unknown way in which matter can organize itself.
One-third of agricultural land accounts for two-thirds of global impact, study reveals
Agriculture covers more than 40% of Earth's habitable land and plays a central role in both climate change and biodiversity loss. Yet the impact of agriculture is far from evenly distributed across space.
Social robots may support learning and reduce teachers' workload, pilot trial finds
When Pepper the social robot was given the chance to try its hand as a teaching assistant, it showed that it can be even better than a human teacher at motivating pupils and helping them learn.
Here’s what the first mRNA flu vaccine could mean for flu season
Compared with standard flu shots, Moderna’s mFlusiva generates stronger, longer-lasting immunity and is more effective at preventing infection, data show.
Single-shot phase imaging technique can reconstruct transparent objects
A KAIST research team led by professor Mooseok Jang from the Department of Bio and Brain Engineering has developed a single-shot phase imaging technique that reconstructs a phase object—a transparent object such as glass, plastic film or a living cell, which produces almost no
New quantum microscopy trick quadruples microscope resolution
Three years after a team of Caltech scientists showed that pairs of entangled photons could double the resolution of a light microscope, the same lab has figured out a way to double down on that improvement. They have now achieved a fourfold resolution boost compared to a
Trillion-mile gas streamer may explain tilt of triple-star system's outer planet-forming ring
A team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has captured a massive stream of gas—one trillion miles, or 0.2 light-years, long—feeding the young triple-star system GW Orionis. These new observations provide the clearest evidence yet for
Why are deaf audiences still treated as an afterthought in theater and cinema?
In this article, deaf is used as an umbrella term to include Deaf, deaf, hard of hearing, hearing-impaired, deafened and people with hearing loss.
Adding an AI tool to Google Earth shook our trust in maps that has been centuries in the making
Throughout the 18th and 19th centuries, Europe's cartographers traded on their reputation for accuracy and detail at a time of huge societal change. But as demand grew for increasingly detailed maps of the world to support industrialization at home and colonization overseas,
Milky Way-like simulation reveals how central galactic structures grow together
Understanding the formation and evolution of the centers of galaxies is one of the most intriguing challenges in astrophysics. The new study aims to unveil the physical processes that led to the formation of two striking features surrounding the black holes at the centers of
With new digital tools, researchers are helping Joshua trees survive wildfires
When UC Berkeley postdoctoral researchers Maya Zomer and Lucia Layritz first drove through burned portions of Mojave National Preserve in Southern California, the sight stunned them. "It looks like a pretty dystopian landscape," Layritz said.
Mitochondria act as sensors for essential iron molecule, study reveals
Heme, a bioactive form of iron, has numerous essential functions in the cell. As a key component of hemoglobin, it enables oxygen transport in the blood. In addition, it performs important functions in other proteins in processes ranging from energy conversion to signal
Two decades of blazar observations, and the mysteries keep piling up
Narrow jets of luminous matter may be emitted toward Earth from the nuclei of active galaxies billions of light-years away. The galaxy then appears as a point source and is called a blazar. A Polish-German team of scientists has, for the first time, analyzed the activity of one
Checking out AI: University library puts emerging technology to the test
In a meeting room at the C. V. Starr East Asian Library, a Chinese film poster flickers onto a large screen. Haiqing Lin, the library's head of technical services, is demonstrating an interface he built. With a few practiced clicks, he sends the image—one of 2,000 posters from
A One-Two Punch: New Drug Overfeeds—Then Starves—Cancer Cells
The two-step process could help fight other diseases as well The post A One-Two Punch: New Drug Overfeeds—Then Starves—Cancer Cells appeared first on Nautilus .
Utah's historic fire season of 2026
Early last month, Utah experienced two historic wildfires at the same time, highlighting the record-setting fire season continuing to unfold in the Beehive State.
AI and 'Ramanomics' could eliminate a major obstacle to studying living cells
Fluorescent dyes have long been used in biological research to identify and visualize structures within living cells. Although effective, they have several drawbacks, including altering the cells under study, limiting the number of structures that can be examined at once and
Super-Earths may be solid deep inside their mantles
Deep inside super-Earths—rocky planets with masses between 1 and 10 times that of Earth—high pressure can cause familiar minerals to take forms rarely seen on Earth. Understanding more about the temperature and pressure conditions in which these phases are reached could help
Drained by humans, rewetted by beavers—opposing forces shape boreal wetlands
Boreal forests and peatlands are shaped by hydrological changes caused by both human activity and natural processes. In a recent study carried out in the Evo area in southern Finland, researchers examined how forestry drainage and beaver-induced flooding have transformed the
Are cats getting tamer, or is it people who are changing?
Around 15 years ago, I created a Facebook page for my cat, Sandi. Friends thought it was weird. Today, social media accounts for cats attract millions of followers, cats travel in backpacks and strollers, and surveys consistently show that the overwhelming majority of owners
Observing key material properties atom by atom for the first time
Many material properties depend on how electrons are arranged inside a material. Their distribution determines, for example, whether a material conducts electricity or displays magnetic behavior. Understanding how electrons organize themselves at the atomic scale is therefore
OpenAI’s latest math breakthroughs commit research misconduct, experts say
OpenAI released 10 AI-generated results over the weekend. Some mathematicians are unhappy with their approach
JWST study suggests a handful of 'leaky' galaxies reionized the early universe
A new study analyzing the James Webb Space Telescope (JWST) spectra of more than 1,400 galaxies suggests a surprisingly small group of "leaky" galaxies was responsible for cosmic reionization. The paper outlining this work was posted to the arXiv preprint server on July 24.
Small dinosaur fossil suggests Fukushima coast hosted iguanodontians of different sizes
Iguanodontians are a diverse group of herbivorous dinosaurs that lived from the Late Jurassic to the Late Cretaceous and had a worldwide distribution. Intercontinental dispersal events between Asia, North America and Europe played a key role in their diversification across
First metabolically activated molecular glue degrader may target cancer cells under oxidative stress
Investigators at Dana-Farber Cancer Institute have developed a platform for systematically discovering molecular glues that could become protein degradation drug candidates. The platform could help drug developers dramatically expand the range of disease-related proteins that
We might soon have the technology to reach other star systems
The recent confirmation of an atmosphere around a rocky exoplanet called LHS 1140b has created a wave of interest within the astronomy community. The planet orbits within the habitable zone around its parent star—a red dwarf located some 48 light-years from Earth.
Earthquake sensors can help forecast how hurricanes intensify
Stanford researchers have shown that instruments primarily used to understand earthquakes can capture key details about hurricanes, helping meteorologists better predict how storms will evolve and intensify.
Building better prediction models for consumer choices
As consumers, we are constantly making choices about things like what to eat at a restaurant, what clothing to buy at a store and the type of car we'd like to purchase, and so much more. Savvy producers of such goods look to economists to help estimate what products people want
Fossil study finds vision—not the 'thinking' frontal lobe—drove varied brain development in primates
A new study led by a Duke University scientist overturns a long-held idea about how primates, including humans, came to have such large and sophisticated brains. The research finds that the dramatic expansion of the primate neocortex was driven largely by vision, not by the
Siberia's growing methane threat could offset 20% of global methane reduction targets by 2050
The Arctic is warming at an accelerating pace. As permafrost thaws across vast areas and wildfires become more frequent, large amounts of methane (CH4) are being released. Together, these changes are reshaping the region's greenhouse gas emissions and further intensifying
Random physics helps model individual ant motion
Ants make up one of the most diverse groups of animals on the planet, with many species boasting remarkable physical abilities and social behaviors, and an overall species richness that far exceeds that of mammals. Various types of ants can carry up to one hundred times their
Sugars may have helped fuel the evolution of the human brain, new research suggests
Fruit, honey and other naturally sweet foods may have helped fuel the evolution of the human brain, according to new research from the University of Sydney and the University of Glasgow.
Your Big Brain Wouldn’t Be Possible Without Sugar
Pass the glucose The post Your Big Brain Wouldn’t Be Possible Without Sugar appeared first on Nautilus .
Sugar may have been a key ingredient in human evolution
A sweet tooth for sugars from fruits and honey may have helped fuel brain growth in our primate cousins and early human ancestors, a new study suggests.
Fluorescent nanosensors help distinguish between healthy and diseased immune cells in blood samples
Researchers at Karolinska Institutet and SciLifeLab have developed a new method to analyze the condition of immune cells in the blood. The method has been tested on patients with atherosclerosis and can distinguish their immune cells from those of healthy individuals. The study
Refugees reveal how community shapes success in Canada
Hungarian and Vietnamese refugees who arrived in Canada during two of the largest refugee movements in Canadian history report that strong social connections, supportive communities and opportunities for belonging played a crucial role in helping them build successful lives,
Carbon nanostructure improves fuel-cell catalyst durability while reducing platinum use
The explosion of new data centers being proposed and built around the U.S. has increased demand for energy to keep them powered and cooled. The Electric Power Research Institute estimates that data centers could consume up to 9% of U.S. electricity generation annually by 2030,
How evolution fine tunes molecular mechanisms to create and maintain membrane diversity between species
The cell membrane is a fundamental biological structure. These lipid layers surround and organize every cell, controlling everything from signaling to transport. But for membranes to function properly, their physicochemical properties must sit within a narrow range: for
Deworming products for grazing animals may disrupt food chains
Researchers from Kiel University and Trier University have shown, for the first time, that a widely used deworming product for grazing animals doesn't just harm individual plants and insects but also alters entire networks of ecological relationships. The active ingredient
X(2370) emerges as glueball-dominated particle in collider experiments
At the International Conference on High Energy Physics in Brazil, the BESIII Collaboration report that, after 15 years of sustained research, it identified the dominant constituent of the X(2370) as a pseudoscalar glueball with spin-parity quantum numbers of 0⁻⁺.
Measurements trace European wildfire smoke high into upper troposphere
The images of the major forest fires in Spain and France, with fire clouds near Bordeaux, have shocked many people. There have been numerous reports of the formation of a pyrocumulonimbus cloud—a fire-driven thundercloud—and the possible transport of smoke particles to Central
Two-qubit entangling gate flags its own errors as detectable photon losses
Quantum errors are a normal part of quantum computing because fragile physical qubits (the tiny components storing data) can easily break down because of environmental noise, like heat, stray signals or microscopic vibrations. Typical fixes involve vast amounts of extra
Interlocking molecular propellers create stable 'islands' in artificial lipid membranes
Cells are enclosed by a cell membrane, a sophisticated structure mainly made of lipids that is vital for fundamental biological processes. Artificial lipid membranes have many practical applications, such as drug delivery, but engineering their properties is a huge challenge.
Scientists investigate continent-wide 'moisture conveyor belt' behind extreme monsoon rains
Weather scientists have long known that typhoons even hundreds of kilometers away from the Philippines can interact with the southwest monsoon, resulting in multiday heavy rains. But the exact dynamics of this relationship remained largely unknown until recently.
