From Italy and the World

Proven to protect against a wide array of diseases, exercise may be the most powerful anti-aging intervention known to science. However, while physical activity can improve health during aging, its beneficial effects inevitably decline. The cellular mechanisms underlying the relationship among exercise, fitness and aging remain poorly understood. In a…

New images from NASA’s James Webb Space Telescope (JWST) reveal for the first time galaxies with stellar bars — elongated features of stars stretching from the centers of galaxies into their outer disks — at a time when the universe was a mere 25% of its present age. The finding…

A chemistry collaboration led to a creative way to put carbon dioxide to good — and even healthy — use: by incorporating it, via electrosynthesis, into a series of organic molecules that are vital to pharmaceutical development. In the process, the team made an innovative discovery. By changing the type…

US Rep.-elect John James, left, shakes hands with Kevin McCarthy after nominating him for the speakership on Thursday. (Alex Brandon/AP) The standoff in the House will go for another round of voting as Republican Rep. Kevin McCarthy is nominated for a seventh ballot. He was nominated by Rep.-elect John James…

CNN  —  Russian President Vladimir Putin ordered his defense minister to implement a temporary ceasefire in Ukraine for 36 hours this week to allow Orthodox Christians to attend Christmas services, according to a Kremlin statement Thursday. The proposal was swiftly dismissed as “hypocrisy” by Ukrainian officials. Putin’s order came after…

CNN  —  Mexican authorities arrested Ovidio Guzmán, son of notorious drug lord Joaquin “El Chapo” Guzmán, in an operation in the state of Sinaloa on Thursday, a source from the federal government of Mexico told CNN. Ovidio Guzmán was previously arrested by federal authorities in October 2019, but was released…

Video footage has emerged purporting to show Wagner mercenary chief Yevgeny Prigozhin congratulating recruited prisoners who have been pardoned after serving six-month contracts in Ukraine. Russian state media RIA Novosti published video in which Prigozhin is seen hugging, shaking hands and talking to alleged Wagner recruits who have finished their…

Collaborative research between University of Galway and Brunel University London has found that patients with severe and complicated obesity respond differently to a dietary weight loss programme based on their genes. The GERONIMO project studied patients attending the obesity clinic at Galway University Hospital who were undergoing an intensive short-term…

Climate change is a major global concern of the present century. It is necessary to reduce carbon emissions by utilizing renewable energy sources and developing efficient energy storage systems. Lithium-ion batteries have high energy density and a long cycle life, making them indispensable in portable electronics as well as electric…

For some communities, the digital divide remains even after they have access to computers and fast internet, new research shows. A study of the Bhutanese refugee community in Columbus found that even though more than 95% of the population had access to the internet, very few were using it to…

Simulations that help determine how a large-scale pandemic will spread can take weeks or even months to run. A recent study in PLOS Computational Biology offers a new approach to epidemic modeling that could drastically speed up the process. The study uses sparsification, a method from graph theory and computer…

Metal oxides are a promising catalyst for photoelectrochemical (PEC) water splitting to produce hydrogen as alternative energy. However, their effectiveness is restricted at low voltage. A research team led by scholars from City University of Hong Kong (CityU), Australia and Germany successfully mediated the poor charge carrier transport at low…

The Capitol is seen amid cloudy skies early on Thursday. (J. Scott Applewhite/AP) House Republicans’ failure to elect a speaker after days of voting has frozen business in the chamber. Here’s a list of what’s stalled: No oversight: “The Biden administration is going unchecked and there is no oversight of…

The NFL is investigating every possible cause behind the cardiac arrest of Buffalo Bills safety Damar Hamlin, which resulted in his collapse mid-game against the Cincinnati Bengals, according to the NFL’s chief medical officer Dr. Allen Sills.  “I know there’s been a lot of theories and a lot of discussion…

There is new evidence that a 50-year-old blood pressure drug could find new purpose as a treatment to mitigate the often life-altering effects of increasingly prevalent PTSD, scientists say. Clonidine is commonly used as a high blood pressure medication and for ADHD. It’s also already been studied in PTSD because…

Of the nearly 4 million births each year in the United States, roughly 50,000 are marked by life-threatening complications, and up to 900 result in maternal death during delivery. One major, often life-threatening complication is placenta accreta spectrum (PAS), which poses a threat to both the mother and the baby.…

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  Archaeologists in Germany have uncovered some of the earliest evidence of the use of clothing, with newly discovered cut marks on a cave bear paw suggesting the prehistoric…

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New York CNN  —  Amazon says it plans to lay off more than 18,000 employees as the global economic outlook continues to worsen. Several teams will be affected, including the human resources department and Amazon Stores, according to a memo from CEO Andy Jassy shared with employees. “Companies that last…

CNN  —  Russian President Vladimir Putin has dispatched one of his country’s most modern warships armed with advanced hypersonic missiles on a long voyage through the Atlantic Ocean to the Mediterranean Sea and into the Indian Ocean, Russian state media reported Wednesday. The frigate Admiral Gorshkov set off from an…

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  This year promises to be out of this world when it comes to space missions, launches and the next steps in cosmic exploration. In 2023, NASA will kick…

Russia is focusing its offensive action in the directions of Lyman, Bakhmut and Avdiivka in eastern Ukraine, the General Staff of the Armed Forces of Ukraine said in its situational update Wednesday. “It is trying to improve the tactical situation at the Kupyansk direction,” the General Staff added. “In the…

CNN  —  A family of three adults and five children were found shot to death Wednesday inside a home in rural southwest Utah, officials said. Officers learned of the shooting deaths after responding to a welfare check at a home in Enoch City, which is about 245 miles south of…