From Italy and the World

Researchers at Purdue University have made a groundbreaking discovery in the field of thermal radiation, uncovering a new method for generating spinning thermal radiation in a controlled and efficient manner using artificially structured surfaces, known as metasurfaces. The team, led by Zubin Jacob, Purdue’s Elmore Associate Professor of Electrical and…

Researchers discovered a new species of frog in Africa that has an unusual trait: it’s completely silent. The Ukaguru spiny-throated reed frog does not croak, sing or ribbit. Found in Tanzania’s Ukaguru Mountains for which it is named, Hyperolius ukaguruensis is among the few frogs around the world that do…

Symbiotic relationships are everywhere in nature. In the soil, for example, mycorrhizal fungi enhance water and nutrient absorption for plants while feeding on sugars their roots release. In another classic mutualism, ants find food and shelter in specialized structures that acacia trees grow; the insects, in turn, defend the trees…

In their evolutionary battle for survival, viruses have developed strategies to spark and perpetuate infection. Once inside a host cell, the Ebola virus, for example, hijacks molecular pathways to replicate itself and eventually make its way back out of the cell into the bloodstream, where it can spread further. But…

Rocks, rain and carbon dioxide help control Earth’s climate over thousands of years — like a thermostat — through a process called weathering. A new study led by Penn State scientists may improve our understanding of how this thermostat responds as temperatures change. “Life has been on this planet for…

In the body, crystals — made of things such as calcium or a collection of urine — form masses that can cause pain and serious health conditions. A University of Houston crystals expert, Jeffrey Rimer, Abraham E. Dukler Professor of Chemical Engineering, known globally for his seminal breakthroughs using innovative…

Humans continue to amplify global warming by emitting billions of tons of carbon dioxide into the atmosphere each year. A new study reveals that a distant human relative plays an outsize role in damping the impacts of this greenhouse gas by pumping large amounts of carbon from the ocean surface…

A new study by scientists in the Columbia University Mailman School of Public Health’s Built Environment and Health Research Group finds that higher neighborhood walkability is associated with lower risk of gestational diabetes (GD). The results of the study are published in the peer-reviewed journal Paediatric and Perinatal Epidemiology. GD…

Snakes and mice don’t look alike. But much of what we know about skin coloration and patterning in vertebrates generally, including in snakes, is based on lab mice. However, there are limits to what mice can tell us about other vertebrates because they don’t share all of the same types…

Volcanoes draw plenty of attention when they erupt. But new research led by the University of Washington shows that volcanoes leak a surprisingly high amount of their atmosphere- and climate-changing gases in their quiet phases. A Greenland ice core shows that volcanoes quietly release at least three times as much…

Researchers at the Technical University of Munich (TUM) have developed autonomous driving software which distributes risk on the street in a fair manner. The algorithm contained in the software is considered to be the first to incorporate the 20 ethics recommendations of the EU Commission expert group, thus making significantly…

How long people live is less predictable and life expectancy for young people can be as much as 14 years shorter in violent countries compared to peaceful countries, according to a new study from an international team, led by Oxford’s Leverhulme Centre for Demographic Science. It reveals a direct link…

CNN  —  Paris Saint-Germain has struggled in recent games, relatively speaking, but thankfully for the Parisian club, Lionel Messi has been in fine scoring form. The Argentine was on target again Saturday, scoring in the second half to secure a 2-1 comeback win for PSG against Toulouse. Victory extended PSG’s…

CNN  —  The deep-pocketed network associated with billionaire Charles Koch is preparing to throw its money and weight behind a single Republican candidate in the 2024 presidential primary – in a move that could significantly reshape the GOP field. Americans for Prosperity Action, the main political arm of the Koch…

A version of this story first appeared in CNN Business’ Before the Bell newsletter. Not a subscriber? You can sign up right here. New York CNN  —  Meme stock mania was supposed to be over, right? Guess what: It’s not. Sure, the entire market did well in January. But many of…

CNN  —  Facing accusations of whitewashing history after his administration blocked a new Black studies course for high-achieving high schoolers, Gov. Ron DeSantis has countered that Florida students already must learn about the triumphs and plight of African Americans. “The state of Florida education standards not only don’t prevent, but…

Rescuers work at a site of a residential building damaged by a Russian missile strike in central Kharkiv on Sunday. (Vitalii Hnidyi/Reuters) Two Russian missiles struck the eastern Ukrainian city of Kharkiv on Sunday, injuring four people, Oleg Sinegubov, head of the Kharkiv regional military administration said in a Telegram post…

CNN  —  It was a straightforward header from close range that put Borussia Dortmund 3-1 ahead in the second half of its league game Saturday, but the simplicity of the goal should not mask its significance. Sébastien Haller’s goal was his first since returning to play three weeks ago, having…

Decoding the ups and downs of cryptocurrency Link Copied! What happens when money gets a 21st century makeover? CNN’s Anna Stewart decodes cryptocurrency to understand how it’s made, how it’s spent, and what it could mean for society. 23:16 – Source: CNN Source link

When US President Joe Biden learned a suspected Chinese spy balloon was drifting through the stratosphere 60,000 feet above Montana, his first inclination was to take it down. By then, however, it was both too early and too late. After flying over swaths of sparsely populated land, it was now…

CNN  —  LeBron James finished with 27 points in the Los Angeles Lakers’ 131-126 loss to the New Orleans Pelicans Saturday, leaving the 38-year-old needing 36 points to surpass Kareem Abdul-Jabbar’s NBA all-time scoring record. James struggled out of the gates but was able to finish the game strong, adding…

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  Look in the night sky this weekend for February’s full moon, where it can be glimpsed around the world. It will reach peak illumination around 1:29 p.m. ET…

Kherson, Ukraine CNN  —  Gone are the acres of jubilant crowds that filled Freedom Square with blue and yellow Ukrainian flags that swayed like heads of wheat when the Russians were driven out. Now the crack-crunch of Russian artillery eating into the city echoes around the plaza. The harvest of…

Islamabad CNN  —  Pakistan’s former President General Pervez Musharraf has died in Dubai after a prolonged illness at Dubai American Hospital, according to a statement from the Pakistani military. He was 79 years old. In a statement sent to CNN, senior military officials expressed their “heartfelt condolences” on the “sad…

An airborne vehicle similar to the suspected Chinese surveillance balloon seen flying over the United States has been spotted in at least two Latin American countries this week.  CNN is aware of at least half a dozen eyewitnesses in Latin America who have reported seeing the white balloon, sharing video and…

Hong Kong CNN  —  China has expressed its “strong dissatisfaction and protest” against Washington’s decision to shoot down its balloon, accusing it of “overreacting” and “seriously violating international practice.” US military fighter jets on Saturday shot down the balloon over the Atlantic Ocean in a mission President Joe Biden hailed…

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Seoul, South Korea CNN  —  The young woman rifles through a fridge of popsicles, pulling out several to show the camera. “This is milk flavor – the picture is so cute,” she says in English, pointing to the cartoon packaging with a smile. “And this is peach flavor.” After finally…

CNN  —  At least 22 people have died in connection with widespread forest fires in south-central Chile, according to government officials. Interior Minister Carolina Tohá confirmed during a news conference on Saturday that 22 people are dead. There are 1,429 people in shelters, 554 injured and 16 suffering severe burns…