Scientists identify secret ingredient in Leonardo da Vinci paintings

Scientists identify secret ingredient in Leonardo da Vinci paintings

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  “Old Masters” such as Leonardo da Vinci, Sandro Botticelli and Rembrandt may have used proteins, especially egg yolk, in their oil paintings, according to a new study. Trace quantities of protein … Read more

Why 2023 is the year to visit Mongolia

Why 2023 is the year to visit Mongolia

Editor’s Note: This CNN Travel series is, or was, sponsored by the country it highlights. CNN retains full editorial control over subject matter, reporting and frequency of the articles and videos within the sponsorship, in compliance with our policy. Ulaanbaatar, Mongolia CNN  —  Due to its remoteness and short summer season, Mongolia has long been … Read more

Couple transforms abandoned Japanese home into guesthouse

Couple transforms abandoned Japanese home into guesthouse

Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get the latest news in aviation, food and drink, where to stay and other travel developments. CNN  —  He’d spent years backpacking around the world, and Japanese traveler Daisuke Kajiyama was finally ready to return home to pursue his long-held dream of opening … Read more

How Playboy cut ties with Hugh Hefner to create a post-MeToo brand

How Playboy cut ties with Hugh Hefner to create a post-MeToo brand

Editor’s Note: The views expressed in this commentary are solely those of the writers. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news analysis and commentary. The content is produced solely by The Conversation. The Conversation  —  Hugh Hefner launched Playboy Magazine 70 years ago this year. … Read more