Unlike its land cousin the box turtle, painted turtles do not have a hinged bottom shell that closes when the head is pulled in. Breakthroughs, discoveries, and DIY tips sent every weekday. Winter has officially arrived in the Northern Hemisphere. With today's winter solstice, the days will start to get a little bit longer, but the cold will stick around. We humans typically handle the dipping temperatures by staying inside, sleeping more, and dressing in layers . Here are some unique ways that animals survive winter's deep freeze.

In 1996 Nasa and the White House made the explosive announcement that the rock contained traces of Martian bugs. The meteorite, catalogued as Allen Hills (ALH) 84001, crashed onto the frozen wastes of Antarctica 13,000 years ago and was recovered in 1984. Photographs were released showing elongated segmented objects that appeared strikingly lifelike.

Science Space International Space Station Lost in space: How'digital twins' saved NASA's robots Navigation algorithms designed for Earth fail in orbit. Breakthroughs, discoveries, and DIY tips sent every weekday. A standard ballpoint pen will not write in space. Without gravity, the ink refuses to flow. This simple failure illustrates a profound headache in space exploration: tools designed for terrestrial use often become useless in a microgravity environment.

'Extremist movements are using voice-generating bots to recreate the voices and speeches of major figures in their milieu.' 'Extremist movements are using voice-generating bots to recreate the voices and speeches of major figures in their milieu.' Extremists are using AI voice cloning to supercharge propaganda. Experts say it's helping them grow W hile the artificial intelligence boom is upending sections of the music industry, voice generating bots are also becoming a boon to another unlikely corner of the internet: extremist movements that are using them to recreate the voices and speeches of major figures in their milieu, and experts say it is helping them grow. "The adoption of AI-enabled translation by terrorists and extremists marks a significant evolution in digital propaganda strategies," said Lucas Webber, a senior threat intelligence analyst at Tech Against Terrorism and a research fellow at the Soufan Center.

Power outage in San Francisco knocks out electricity to one-third of Pacific Gas and Electric Co. customers, with fire at substation on 8th and Mission streets contributing to blackouts.

America's cutest Christmas village battles to save itself after being hit by storms and severe flooding Retirees are ditching golf and sun for this unlikely city...as top destinations revealed Smellebrities! 10 actors whose hygiene habits prompted complaints from co-stars - after Charlotte Church said she's stopped wearing deodorant and'generally stinks' You've only been told half the story about the Reiner murders. These hidden horrors MUST be outed... before Hollywood's sick secrecy pact wins: MAUREEN CALLAHAN SNL savages Trump after releasing the Epstein files in cold open... but MAGA have the last laugh What I drunkenly tried to do to my handsome married boss at the holiday party is inexcusable. Devastating truth about Rob Reiner's daughter Romy: Her own addiction battle... how she'lived in fear' of Nick... and the handsome companion she's leaning on, all revealed by heartbroken friends Crime drama dubbed'the greatest of all time' with the'perfect ending' and a whopping 96% Rotten Tomatoes score is now free to stream - plus there's a reboot in the works Insane twist of fate for homeless hero who cracked Brown shooter case amid hapless feds' FIVE-DAY manhunt as he's set to receive $50K reward Kimberly Guilfoyle's'yelling fit' after ex Donald Trump Jr's new engagement... as insiders reveal her nasty texts and derogatory nickname for Bettina Anderson'Extreme safety risk' warning from FAA after THREE passenger jets in panic to avoid Musk rocket explosion Kate sends'majestic' Christmas present to Royal Marsden Hospital - where the Princess received cancer treatment The'change of pace' sex move that sends ANY woman wild. Here's the precise moment to deploy it and what to do with your eyes. Inside the Reiners' tragic last supper with famous friend... hours before their murders: Restaurant staff tell heartbreaking details Cheater Texas AG breaks cover with his mistress... as insider reveals all the details from their ultra-fancy ski trip to Aspen Do YOU know your Taylor Swift terms from your incel idioms?

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The leading approach to the simplex method, a widely used technique for balancing complex logistical constraints, can't get any better. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig--a first-year graduate student--copied two problems off the blackboard, thinking they were a homework assignment. He found the homework "harder to do than usual," he would later recount, and apologized to the professor for taking some extra days to complete it. A few weeks later, his professor told him that he had solved two famous open problems in statistics. Dantzig's work would provide the basis for his doctoral dissertation and, decades later, inspiration for the film .

The Mac Mini is a fantastic little computer, but you'll need one of these great monitors to complete the setup. The Mac Mini is unbeatable in value . But unlike an iMac or MacBook, you'll need to pair it with a monitor. Apple has a couple of options: the Apple Studio Display and Pro Display XDR, but both are incredibly expensive (not to mention a few years old at this point). Fortunately, there are tons of great monitors out there that fit well into the Apple ecosystem. Be sure to check our Best Apple Desktops, Best MacBooks, Best Monitors, and Best Gaming Monitors guides for more.

Jake Paul vs Anthony Joshua: Is this good for Boxing? Game Theory Jake Paul vs Anthony Joshua: Is this good for Boxing? Samantha Johnson looks at how audience, attention and money are reshaping modern boxing. Jake Paul is a YouTuber with a global audience. Anthony Joshua is a former unified heavyweight champion.