Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers also discovered that the comet has a metal-rich interior, which could challenge
In hydrogen production catalysts, water droplets must detach easily from the surface to prevent blockage by bubbles, allowing for faster hydrogen generation. In semiconductor manufacturing, the quality of the process is determined by how evenly water or liquid spreads on the
Atmospheric dust plays an important role in the way Earth absorbs and reflects sunlight, impacting the global climate, cloud formation, and precipitation. Much of this dust comes from the continuous reshaping of Earth's surface through the erosion of rocks and sediments, and
A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier than astronomers believed such well-structured galaxies could form. With sweeping spiral arms, rapid star formation, and an orderly disk resembling our
European flat oysters returned to the Firth of Forth as part of a major restoration project are showing signs of loving their new home. Monitoring by the Heriot-Watt scientific dive team, as part of the Restoration Forth project, has shown a high average survival rate of about
Poly(N-isopropylacrylamide) (PNIPAM) hydrogel undergoes significant but precise changes in size between 20°C and 40°C, making it an excellent candidate for use in variable-size deterministic lateral displacement (DLD) array devices. Researchers from Science Tokyo have built a
In a recent study, Dr. Linda Boutoille uncovered the first evidence of lost-wax casting of silver objects in Bronze Age Iberia and, to date, Western Europe. Published in the Oxford Journal of Archaeology, the study examines an unusual silver bangle excavated in 1884 from the El
In times of economic upheaval, investors can get a clearer picture of the stock market's future performance if they tune into how corporate insiders are trading stocks in their own companies.
Managers' narcissistic tendencies may fundamentally affect whether a company makes risky or safe moves as a response to the firm's above-aspiration performance, according to a new study published in Strategic Management Journal. In a study that helps to clarify prior
For the first time, MIT chemists have synthesized a fungal compound known as verticillin A, which was discovered more than 50 years ago and has shown potential as an anticancer agent.
The dark web—a hidden corner of the internet accessed through privacy-preserving tools like the Tor browser—operates beyond the reach of traditional search engines and public platforms. Unlike the surface web, its architecture is deliberately designed to shield identities and
Redox-active metal-organic frameworks (RAMOFs) are highly porous materials made of metals and organic molecules linked together by coordination bonds, and they contain redox-active sites that can store electrons (protons). RAMOFs are promising candidates as electrode-active
New England's a complicated place, especially when it comes to flooding.
For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and surviving crises that nearly ended the mission. Its long-term observations uncovered a single global plasma conveyor belt inside the Sun, detailed how solar
Human activity can cause “healed” faults to release their stored strength, triggering unexpected quakes in tectonically stable regions.
A surprising link between constipation and kidney decline led researchers to test lubiprostone, revealing that it can protect kidney function. The results point toward gut-based, mitochondria-boosting therapies as a promising new avenue for CKD care.
People rated cats as having a more positive emotional state when shown indoors rather than outdoors, even those who believe cats should roam freely outside, a new study has found. The study also found that other contextual factors, such as the color of cats' coats and a
Sweat carries a rich mix of biomarkers that advanced wearables can now track in real time. New AI-powered patches analyze biochemical patterns to detect disease risks, medication levels, or stress responses. Researchers are building ultra-sensitive microfluidic devices to read
The world's transition to renewable energy—and progress toward lowering carbon emissions—depends on expanding offshore energy, particularly wind power. A new study published in the journal Marine and Coastal Fisheries provides new insight into how proposed development areas in
Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More recently, scientists have developed supercomputers that can estimate up to trillions
The microbes inside our bodies not only help break down food but also impact our health. Yet their precise influence is not always understood, especially in the presence of prescription drugs.
To see if a fish is fresh, people recommend looking at its eyes and gills or giving it a sniff. But a more accurate check for food quality and safety is to look for compounds that form when decomposition starts.
Using NASA's Kepler space telescope, Chinese astronomers have observed a binary star system known as KIC 5623923. As a result, they found that the investigated system is a faint eclipsing binary experiencing Delta Scuti-type pulsations. The new findings were published Nov. 24
College life creates a perfect storm for overeating, as students consume more calories when surrounded by friends, eating in dining halls, or following unstructured schedules. A four-week study using a mobile app revealed that students often underestimate how much they eat,
In the wild, Florida's manatees already face threats from cold stress, habitat loss, boat strikes and other human activities.
SpaceX carved out a sunset launch over the Space Coast on Dec. 2 with its latest Starlink flight.
Scientific American unveils its first-ever best fiction and nonfiction books of the year, spotlighting stories that blend science, imagination and unforgettable voices.
New models foretell more dry years ahead The post Is the Drought in the Southwest Permanent? appeared first on Nautilus .
A new study highlights how Indigenous leadership, science and business can unite to protect coastal ecosystems while building long-term environmental and cultural knowledge.
Catalysts play a vital role in modern society, supporting processes from metallurgy to pharmaceutical production. To reduce environmental impact and maximize efficiency, science has pushed the boundaries between homogeneous and heterogeneous catalysis toward single-atom
Teeth. Ocean. Predator. These are the three most common words used to describe sharks, according to a new global survey published in Wildlife Research, eliciting 1,000 different text responses.
For many of us, any kind of shopping is stressful enough. The anxiety, however, really kicks in when you must purchase something you're going to share with another person.
DNA sequencing technology makes it possible to explore the genome to learn how humans adapted to live in a wide range of environments. Research has shown, for instance, that Tibetans living at high altitude in the Himalayas have a unique variant of a gene that expands the
Southeast Asia is being pummeled by unusually severe floods this year, as late-arriving storms and relentless rains wreak havoc that has caught many places off guard.
A rare albino alligator named Claude who was beloved by fans around the world died Tuesday, according to the California Academy of Sciences in San Francisco. He was 30.
Chile's Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of the universe in this inhospitable desert along the Pacific coast.
Earth’s orbit is getting crowded with broken satellites and leftover rocket parts. Researchers say the solution is to build spacecraft that can be repaired, reused, or recycled instead of abandoned. They also want new tools to collect old debris and new data systems that help
Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks" in exoplanetary systems.
Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, may have formed naturally in the sky. The results suggest early Earth wasn’t
Ant pupae that are fatally sick don’t hide their condition; instead, they release a special scent that warns the rest of the colony. This signal prompts worker ants to open the pupae’s cocoons and disinfect them with formic acid, stopping the infection before it can spread.
Scientists discovered that the first 100 base pairs of human genes are unusually prone to mutations, especially during the earliest stages of embryonic development. These mosaic mutations often go undetected yet can still be passed on and cause disease. Large-scale genome
Farmers plant or preserve riparian buffers for various reasons, such as improving water quality, controlling erosion, or maintaining hunting habitat. Now, a new study from the University of Illinois Urbana-Champaign underscores the benefits of riparian buffers to terrestrial
Researchers discovered that 168 common chemicals can disrupt the growth of beneficial gut bacteria, with some also promoting antibiotic resistance. Many of these substances—found in food, water, and household items—weren’t previously suspected of affecting living organisms. A
Researchers have solved the decades-old mystery behind how a common pregnancy drug lowers blood pressure. It turns out the medication blocks a fast-acting “oxygen alarm” inside cells. That same alarm helps brain tumors survive, meaning the drug unexpectedly weakens them, too.
Scientists found that combining oxytocin with an Alk5 inhibitor revitalized extremely old male mice, boosting their lifespan and strength. Female mice showed only short-term improvements, highlighting a major sex difference in aging biology. The therapy restored youthful
Under the title "Exploring Culture(s) of Sustainability at Higher Education Institutions: A Systematic Review of Concepts and Pathways," the project Culture of Sustainability at Higher Education Institutions (KuNaH) systematically analyzed the scientific literature on
On Feb. 22, 2020, "Mad" Mike Hughes towed a homemade rocket to the Mojave Desert and launched himself into the sky. His goal? To view the flatness of Earth from space. This was his third attempt, and tragically it was fatal. Hughes crashed shortly after takeoff and died.
Outdated models of disability still dominate thinking in our built environment. Approaches grounded in old medical and charity models of disability have long reinforced a status quo trapped in hundred-year-old thinking—and it shows.
After decades of sluggish growth, AI could help usher in a nuclear revival—but a major challenge remains The post Can the US Build a Nuclear Powered Future? appeared first on Nautilus .
Every year, government workers around Australia start fires in the bush. The idea behind these prescribed burning programs is that removing dry leaves and branches reduces the chance of bigger, more dangerous fires. Over many decades, prescribed burning has settled into a
