Visigothic and Vandal forces marched into Italy and conquered Rome; the Huns spread fear and terror on their campaigns through Western Europe; the Franks expanded their domain southward—the fifth century was an era of profound, often violent upheavals in Europe, and at the same
With their mysterious glow and swirling veils of color, auroras enchant even experienced researchers. When a particularly intense solar storm reached Earth on the night of May 10, 2024, and relevant websites predicted auroras even for southern Lower Saxony, several researchers
Should an area be fenced off, should animals be sterilized or relocated—or, as a last resort, selectively culled? As the long-running controversy over white-tailed deer in the Montreal suburb of Longueuil's Michel-Chartrand Park has shown, managing wildlife in peri-urban parks
If a dangerous asteroid were headed toward Earth, one defense could be a nuclear detonation to blast one side with X-rays and nudge it off course. But new simulations suggest that for a lumpy, irregular asteroid, exactly where those X-rays hit could make a huge difference.
W.E.B. Du Bois' standing as a distinguished social scientist, with a distinguished body of work, has been subjected to the same marginalizing forces he examined in his pioneering scholarship on race, culture and Black social thought.
A newly identified Arctic Ocean bacterium may have an unusual way of making the building blocks it needs to grow. Using acetone, a common chemical in seawater, the bacteria incorporate carbon dioxide (CO₂) into their metabolisms, allowing them to survive in waters where
High temperatures change how mealybugs feed, and that could help explain why some pasture mealybug infestations do far more damage than others, according to early findings from Texas A&M AgriLife Research scientists.
New toxicology tests of Incan mummies found the kids were given not just cocaine, but alcohol and chemicals found in ayahuasca before the ceremony
Physicists have found evidence of a particle decay so rare that it is expected to occur only around once in every 10 billion "beauty" particles. The result, from the upgraded LHCb experiment at CERN's Large Hadron Collider (LHC), follows a search spanning more than 40 years and
Recent media reports of alleged sexual assaults by teenage boys draw attention to an uncomfortable truth: Young people sometimes perpetrate harmful sexual behavior against their peers.
Tree planting provides wood, biomass and climate benefits, but the location where those new forests are established matters. An international study by researchers in Spain, Chile and Finland shows that converting nonforested land into planted forests can increase wildfire
More than a century after they were excavated from beneath Cairo, almost 3,000 stone tools from Heliopolis show that specialized work was already reshaping village life before Egypt became a state.
Astrophysicists think that the supermassive black holes (SMBH) we see in the modern universe are the result of a long, drawn-out process. That process is referred to as the hierarchical black hole mergers framework. It explains how some SMBHs can reach such staggering masses.
Yale research scientist Saúl Domínguez-Guerrero didn't set out to catch "evolution in the act" when he traveled to the Caribbean with a team of Yale researchers a few years ago. At the time, the team from the lab of evolutionary biologist Martha Muñoz planned to do fieldwork on
It was a frightening time.
Not your average vacation snap The post Tourist Posts a Photo to a Facebook Group, Accidentally Discovering 120-Million-Year-Old Dinosaur Footprint appeared first on Nautilus .
A child died after contracting the disease amid the largest national measles outbreak in more than three decades
University at Buffalo scientists have found evidence that different species of yeast have shared genes originally acquired from an ancient virus—and the guts and droppings of beetles may have helped make it happen.
During his renowned excavations at the Shanidar Cave in the Kurdistan Region of Iraq, American archaeologist Ralph Solecki located burial sites containing pollen and flower fragments from various species of wildflowers. He interpreted this as evidence that Neanderthals may have
Synthetic voices can restore speech, enable scams and outlive their owners. These uses raise questions about trust, consent and control.
When fishers are out working their boats, they are typically targeting a specific type of fish. However, other species often end up in their nets or trawls as well. This is known as "bycatch"—seafood for which the fishers receive no payment. Although it is illegal to discard
Stanford engineers and colleagues designed a chip that can take a muddled mixture of light from multiple lasers and output clean beams of light. It's the first time researchers have demonstrated a device that can take in mixed, or partially coherent, light and sort its photons
WA Police are using live facial recognition technology to help identify and arrest criminals, with significant results. The trial is the first of its kind in Australia.
The wireless implant rids mice's bodies of excess sugar on demand, and helps them shed weight. It could one day help treat diabetes and obesity.
A faint red object spotted by the James Webb Space Telescope originally appeared to offer a possible glimpse of the universe's first galaxies. But images taken about 3½ years apart revealed a giveaway: The object, nicknamed Capotauro, had moved.
Researchers at The University of Queensland have developed a way to quantify how wheat varieties capture and convert soil water. Dr. Raul Gimenez from the Queensland Alliance for Agriculture and Food Innovation said the technique could be used to identify drought-tolerant crops.
People experiencing unsheltered homelessness in Salt Lake City face hours of dangerous daytime heat and hot nights that offer little relief, according to a University of Utah study. Researchers also found that tree shade helps people feel measurably cooler, making it a critical
A surprising new discovery suggests that fear may cause the brain to blur the line between danger and safety rather than distinguish them more clearly. By observing brain activity in mice using augmented reality, scientists found that memories of threatening and harmless
Consumers often protect their sentimentally valuable possessions by storing them away, which precludes them from being used. Across five studies, research from the University of Missouri-St. Louis and the University of Oregon shows that usage of sentimentally valuable objects
Did birds of prey shape human evolution? The post The Monstrous Raptors That Threatened Our Ancestors appeared first on Nautilus .
A nearly 50-year-old mystery involving disappearing frogs in Brazil may finally be solved, with scientists uncovering evidence that a deadly fungus swept through the region and devastated vulnerable species. Remarkably, many frog populations have since rebounded, suggesting
Scientists have uncovered an unexpected connection between inflammation during pregnancy, placental damage, and autism-like traits in male mice, while females appeared naturally protected. The discovery could help explain why autism is diagnosed more frequently in boys and
Astronomers using the James Webb Space Telescope (JWST) have confirmed a massive, dust-rich galaxy called Leviathan in the early universe. Seen when the universe was roughly 1.5 billion years old, the galaxy has its stars spread out rather than in a concentrated fashion. A
A survey of 50,000 people across 92 countries finds global mental health may be languishing, including in the wealthiest countries, and especially among young people, who in previous generations had comparatively higher levels of mental health.
Eating an avocado and a cup of mango every day may provide surprising benefits for heart health, according to a new study involving adults with prediabetes. After just eight weeks, participants experienced significant improvements in blood vessel function and diastolic blood
Diabetes and weight-loss medications may have economic effects beyond health care spending, according to new research from NYU Abu Dhabi. Using population-wide data from Denmark, the study found that diabetes treatment caused an increased likelihood of employment, while
A massive new study reveals that intelligence plays a surprisingly limited role in children's reading success, while visual processing showed no meaningful connection at all. Instead, the strongest predictors are sound recognition, vocabulary, and background knowledge, offering
Drought and extreme heat do not always occur separately. When they coincide, their combined effects can place greater pressure on water resources, agriculture, ecosystems, energy systems and public health.
The second Trump administration has dismantled, disrupted or weakened many of the country’s scientific bodies
A start-up valued at more than $1 billion wants to fly cargo planes with no one in the cockpit. First it needs to prove to regulators that they’re safe without a human aboard
For animals that can produce vocalizations, choosing to emit a sound involves various neural processes. For instance, it entails controlling when to emit a sound and how loud and high-pitched the sound will be, while also adaptively switching between vocalizations and other
Dogs are constantly passing gas. So why don’t cats seem to?
Scientists have discovered all five essential nucleobases used in DNA and RNA in pristine samples from asteroid Ryugu, revealing that key ingredients for life existed in space billions of years ago. The remarkable finding adds to growing evidence from other asteroids and
Fires in the U.S. are getting faster, larger and more dangerous, but people continue to develop and move into fire-prone regions. New research from the University of Colorado Boulder's Cooperative Institute for Research in Environmental Sciences (CIRES) shows that if we don't
Europe’s Hera spacecraft has captured its first clear view of two asteroids involved in NASA’s historic 2022 experiment to redirect a potentially dangerous space rock. Now approaching the pair, Hera will investigate the mysterious aftermath of the collision and uncover why the
As a child, Rebeca Quiñonez-Piñón wondered where monarch butterflies stop for a meal and a night's rest on their long migrations across North America. Now she and other scientists are attaching tiny tracking devices to hundreds of butterflies to find those critical stopover
NASA’s Voyager 1 is approaching an extraordinary milestone nearly 50 years after its launch, even as engineers battle dwindling power and mysterious technical problems. A clever energy-saving maneuver has extended the spacecraft’s scientific mission, while an unexplained
Scientists have discovered that a drug originally developed for spinal cord injuries can tackle several key features of Alzheimer’s disease, including DNA damage and inflammation. Already tested for initial safety in humans, the experimental treatment could offer a faster path
The demand for donkey hides has grown exponentially over the past 15 years, driven mainly by demand from China. Lauren Johnston is a specialist on China trade with Africa. She has spent several years looking into the donkey trade, and has just published a book, "China, Africa
In the 2025 federal election, Canadians voted at the highest rate since 1993. Explanations for high or low turnout usually focus on the national election campaign, including how close the race was and what seemed to be at stake.
