Researchers at Lund University have developed a new type of light-emitting diode based on thin, branched nanowires that could offer significantly higher efficiency and lower production costs than current technology. By controlling where in the structure the light is generated,
Why do some ants help nestmates in distress while others don't? A research team from Johannes Gutenberg University Mainz (JGU) and Tel Aviv University addressed this question in a new study. The researchers examined worker ants of the species Cataglyphis niger, some of which
Researchers have completely suppressed superconductivity in magic-angle graphene by screening interactions between electrons, helping resolve a long-running debate about the origin of the phenomenon.
The human body and its gut microbiome produce thousands of small molecules that shape how the body functions—influencing immunity, metabolism and more. Identifying what those molecules actually are has been one of the biomedical sciences' most persistent bottlenecks. More than
In a paper published in the journal Marine Pollution Bulletin, researchers at Kyushu University report on what happens when wharf roaches, a common shoreline scavenger, eat expanded polystyrene (EPS). Roaches that fed on EPS showed no significant reduction in lifespan, but
A study of preschool children found that brief digital or traditional gameplay improved performance on tasks requiring quick responses but reduced performance on tasks demanding greater concentration and self-control.
Every 13 or 17 years, swarms of cicadas emerge from the ground, their black bodies, orange-tinged wings and ruby-red eyes enveloping trees and forests. It is a biological marvel unique in the insect world, and when it happens, it is impossible not to notice.
They’re great at telling time, though The post Your Smartwatch May Not be as Smart as You Think it is appeared first on Nautilus .
The Etruscan painted tombs in Tarquinia, Italy, date to the first millennium BCE and are known for their vivid scenes of music, feasting, processions and the afterlife. While these tombs have been extensively studied, archaeologists have typically looked at the paintings as
Researchers from Kanazawa University, the University of Tokyo and HORIBA, Ltd. have shown that the initial state of platinum-on-carbon (Pt/C) catalyst particles before they are mixed with an ionomer strongly influences how a polymer electrolyte fuel cell (PEFC) catalyst ink
A three-year research collaboration between Florida State University's College of Criminology and Criminal Justice and the Leon County Sheriff's Office (LCSO) has produced one of the most comprehensive real-world studies on police de-escalation to date.
As the BepiColombo mission prepares to enter the final phase of its journey to Mercury, a series of studies conducted by researchers at the University of Liège and KU Leuven sheds new light on the early stages of the evolution of the planet closest to the sun. Using
El Niño is firmly established and will intensify into a very strong event in the coming months, with major impacts on rainfall and temperature patterns and associated risks of floods, drought and extreme heat, according to a new update from the World Meteorological Organization
A joint research team from NIMS and the University of Tokyo has developed a new composite in which three-dimensional nano-interfaces are distributed throughout the material by coating the surfaces of magnetic-insulator powders with a metal and sintering them. Using this
A conversation with a neuroscientist about how nature can fortify the strong and support resilience The post Can Nature Benefit You If You’re Already Well? appeared first on Nautilus .
Feeding stations providing food and water for wild birds are contributing to the spread of disease-causing parasites among farmland birds, researchers have said, with birds three times more likely to catch a parasite from these resources.
Despite efforts to encourage broader participation, women earn about 25% of undergraduate engineering degrees and 18% of undergraduate computer science degrees—and men remain a small minority among people earning nursing and education degrees.
A new study has shown that the election of Jair Bolsonaro, known for his homophobic views, as president of Brazil in 2018 caused a temporary surge in the number of same-sex marriages. The increase was particularly high in Brazilian municipalities where a large number of voters
In recent years, scientists have developed methods to measure a cell's transcriptome, or all the RNA produced by a cell, to study the cell's identity and genetic activity. However, these methods rely on killing the cell to access the bits of RNA within and offer only a one-time
Researchers at the University of Illinois Urbana-Champaign have developed a fast, simple way to turn lignin, a plentiful plant-based byproduct of the papermaking industry, into potentially more valuable renewable chemicals.
Autophagy is an intracellular degradation mechanism in eukaryotes. The autophagosome, which encloses damaged or excess cellular material for degradation, is constructed from lipids supplied by the endoplasmic reticulum (ER) via the lipid transfer protein Atg2.
And they could shed light on our own language acquisition The post Chimps Have Accents, Too appeared first on Nautilus .
In a new Nature Communications study, researchers developed a universal scaling framework for the strength of granular asteroids, showing that their tensile strength can be predicted from the size and shape of their constituent particles.
Animals fulfill a wide range of roles in human society. They provide food, contribute to scientific research, live alongside people as companion animals, and play important roles in education, conservation, research and public engagement through zoos.
Plastic is a wonder material that has molded itself to fit a wide variety of applications. But it comes with a host of drawbacks that aren't fully considered. That's why the United Nations has convened to hammer out a treaty to address plastic pollution.
Symbiotic ammonia-oxidizing archaea in marine sponges are not strict specialists but true "flexitarians." A team led by microbiologists Bettina Glasl and Katharina Kitzinger from the University of Vienna, in collaboration with partners from Australia, has shown that, unlike
Wildfires in the Mediterranean region are becoming drastically more intense. The recent major fires in France, Spain and Greece show that firefighting efforts are reaching their limits.
Star formation in galaxies is closely linked to molecular gas. In the distant past, when galaxy interactions were more common, these encounters compressed molecular gas, causing dense clouds to collapse under their own gravity and form new stars.
Governments across Australia have pledged hundreds of millions of dollars toward women's health services in recent months and years—but having more health services won't help if people don't know they're available or how to access them.
Augmented reality (AR) glasses, lenses thinner than a human hair, and holograms floating above your fingertips may sound like technologies from science fiction. At the heart of these emerging technologies, however, lies a nanoscale optical device known as a "metasurface."
Glassy polymers are those whose chains become immobilized below their glass transition temperature. The immobilized chains make them hard and stiff but also brittle, causing them to fracture when stretched. One promising strategy for overcoming this trade-off is to incorporate
Labor-intensive harvesting and complex processing make macadamias among the most expensive nuts in the world. This makes it all the more important to protect the trees from pests.
Some voting districts are tilted intentionally toward one party or another—a factor in the midterms. Geometry plays a critical role in gerrymandering
Detecting radiation is key to technologies ranging from particle accelerators and scientific instruments to medical imaging and security screening. But current detectors must often make trade-offs, providing signals that are strong but slow or fast but weak. The trade-off
Revealing how proteins and end products of biological activity (metabolites) change within specific tissue functional units during development or in response to environmental factors is beneficial for understanding localized biological processes and the biological roles of
Two massive rock glaciers are creeping down mountain valleys in Alaska's Wrangell–St. Elias National Park. They sit only a few miles apart and formed under the same sky. One moves more than 5 feet (1.5 meters) a year. The other moves at less than half that pace.
For the first time since its dramatic dimming in 2020, a team of astronomers has observed the inner atmosphere of Betelgeuse using the Atacama Large Millimeter Array (ALMA). Led by Bill Dent at the University of Manchester, the team found that the giant star's inner atmosphere
The key to finding more critical minerals may lie in understanding how fluids and chemicals move through rock. As these fluids travel underground, they can dissolve, transport and concentrate valuable minerals in specific places.
The world is set to miss the 1.5°C global warming target, and plans are underway for U.N. climate talks in the Pacific and Turkey.
The silliest science awards of the year are here, but the Ig Nobels aren’t just funny business
A record-breaking summer that saw more than 1,000 wildfires has torched some 540,000 hectares (1.3 million acres) of land across the European Union since mid-June, according to official data—an area more than twice the size of Luxembourg.
Hiking a picturesque valley or climbing a craggy gorge are among the most exhilarating experiences in nature. As a geologist, I have hiked and climbed some of the most intense terrain in the world, including in the Andes, Middle Eastern deserts, the Balkans and the Appalachians.
Researchers have been elucidating the structures of complex molecules for more than 100 years using a variety of techniques. Some molecular structures, however, are more difficult to solve than others.
Global biodiversity loss is occurring at a rapid pace, driven by multiple human-caused factors, including overexploitation, pollution, invasive species and climate change. Despite increasing research on the impact of climate change on wildlife, few studies have formally
One Sunday morning, Juliet* woke up to a delivery driver with a large package that she had no recollection of ordering. She was quick to dismiss it as an e-commerce mistake before the card inside helped solve the mystery: "To Sober Juliet, from your friend, Drunk Juliet."
Experts say there is not enough evidence to support broadly screening men for testosterone without any symptoms
A new study led by researchers at the University of California, Santa Cruz, has overturned decades of assumptions about Miracinonyx trumani, the extinct predator popularly known as the American cheetah. By analyzing nuclear paleogenomes and stable isotopes from fossils found as
The majority of money laundering arrests involve people under 30, a new analysis has found.
Ancient DNA confirms Miracinonyx trumani was more closely related to modern pumas than cheetahs and had a more varied diet than previously thought.
And, unlike African cheetahs, it was a flexible carnivore The post The Extinct “American Cheetah” Wasn’t a Cheetah After All appeared first on Nautilus .
