Linus Pauling was widely mocked for claiming that vitamin C could fight cancer, especially after trials using vitamin C pills showed no benefit. Researchers now know that intravenous vitamin C reaches vastly higher concentrations and can behave more like an experimental cancer
On Mother's Day weekend in May 2024, Earth experienced its most powerful geomagnetic storm in two decades, spawning auroras—the ribbony bands of light in the nighttime skies in the Northern and Southern hemispheres—that may have been among the strongest displays on record in
The last common ancestor of all living things may not have been alive at all
Blocking the glycine transporter SLC6A20 restored important brain signaling and improved social, communication, and repetitive behaviors in autism-related mouse models. The treatment also worked in human brain organoids and showed lasting effects in adult mice, suggesting the
Scientists have demonstrated that heat can move through a crystal in focused, wave-like rays at room temperature instead of spreading randomly. The breakthrough could make it possible to route heat around sensitive parts of next-generation chips and quantum devices.
Republicans and Democrats, renters and homeowners, rich and poor—agree on at least one thing: Buying a home is harder today than it was for their parents. The latest UCI-OC Poll suggests that's just the beginning of the problem.
Astronomers have found evidence that one of the most massive white dwarfs known has an oxygen-neon core instead of the more common carbon-oxygen core. The finding is important because the composition of a white dwarf's core determines how it will evolve. A paper outlining this
After 49 years in space, NASA’s Voyagers are running low on power—but an audacious move should extend the tenures of the two spacecraft
Persistent poverty can accelerate cognitive decline starting in your 50s The post Financial Struggle Can Age Your Brain appeared first on Nautilus .
Employees who incorporate microbreaks alongside work-related strategies into their workday are more motivated and energized, University of Queensland research has found.
A recent study by MSU entomologists Jen Roedel, Karma Thomas and Zsofia Szendrei found that urban growers' use of pollinator management practices is driven more by access to educational resources, labor and other farming support than by demographics or the pollination needs of
A ten-month Antarctic experiment found that astronauts may struggle not only with loneliness but also with spending too much time around the same people. Frequent contact was linked to greater tension and mistrust, while the crew increasingly divided into cultural and
Few tax issues generate more public frustration than big corporations paying little, or sometimes nothing, in federal income tax. Since 2018, U.S. corporations have faced a 21% federal corporate income tax rate, the lowest rate in decades and down from a top rate of 53% in 1969.
Folding a piece of paper makes it thicker. How many folds would it take to reach the moon—and beyond?
Smoking in movies and TV is up, and “cigfluencers” have become a thing, but lags in data make it unclear if the vibe shift has any reality to it
Earth’s molten iron core unexpectedly reversed direction beneath the Pacific, revealing a dramatic change in the hidden engine that creates our planet’s magnetic field. Satellite data suggest the surge is already weakening, raising the possibility that the deep-Earth upheaval
Smoking rates remain low, but experts say social media, stress and shifting attitudes could be fueling a cigarette revival
In the sweeping shadow of a satellite dish, staff at the Chilbolton Observatory in southern England track a growing number of objects in Earth's orbit, providing data that underpins Britain's space monitoring efforts.
Federal officials said Thursday they will not release cool water this year from one of the Colorado River's major reservoirs, which would have protected a threatened native fish downstream but put more strain on already struggling hydropower production.
A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study of 28 participants, the device shortened the time to REM by 43 minutes and extended it by about 16 minutes. Researchers also observed signs of improved
Todd Montgomery pops the lid off a small tube and taps out hundreds of mosquitoes into the backyard of a suburban home outside Washington.
Far from their origins in the Arabian desert, hundreds of thousands of camels roam outback Australia, where they are used for wild races, an alternative milk source and even to make beer.
A South Korean satellite has captured the first pictures of the moon's fresh crash scene caused by a stray SpaceX rocket.
Metal-rich asteroids could one day become hardware stores for Mars, supplying the materials needed to build and repair a growing colony. A new analysis shows that carefully selected asteroids may be reachable with current spacecraft technology. Some could even provide the
More than 5,000 years after his death, Ötzi the Iceman is still hosting a remarkable mix of ancient and modern microorganisms. Researchers separated microbes that lived in his body during his lifetime from those that arrived after his death, uncovering traces of his original
Several enormous Megalodon vertebrae thought to have been destroyed in 1989 were found sitting unnoticed on a museum shelf. Their analysis strengthens evidence that the giant shark could exceed 24 meters (79 feet) in length and live for nearly a century. Researchers also
Beginning around age 50, the brain’s memory center appears to lose many of its longtime immune cells and replace them with more inflammatory ones. This surprising shift may help explain how normal aging sets the stage for Alzheimer’s disease and dementia.
Many parents have mixed feelings about the unrestricted use of artificial intelligence (AI) for schoolwork. They are concerned about the potential impact on their child's ability to learn but also don't want them to be left behind if other young people are using AI.
If you ask Vijay Parashar, associate professor of medical and molecular sciences (MMSC) at the University of Delaware College of Health Sciences, human bodies are bags of bacteria. "It sounds gross, but not all bacteria are bad; most of them are good. The trouble starts when
Supercontinuum light sources—often called "white lasers" because they emit a broad, continuous rainbow of colors—are essential tools for everything from advanced medical imaging to environmental gas detection. However, researchers have historically faced a frustrating
People in communities thousands of miles apart have described the same strange experience after eating a mysterious mushroom: vivid visions of tiny humans moving through and interacting with the physical world around them. Known as Lilliputian hallucinations—a reference to the
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?
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.
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.
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 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
New research traces the origins of our metabolism back in time The post Life Originated Twice on Earth appeared first on Nautilus .
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.
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.
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.
Compared with standard flu shots, Moderna’s mFlusiva generates stronger, longer-lasting immunity and is more effective at preventing infection, data show.
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
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
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
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.
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,
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
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.
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
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
