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A doctor in blue scrubs and a stethoscope
Dr. Jeremy London, a cardiac surgeon, was shocked when he suffered his own symptoms of a heart attack in his 40s. It prompted major changes to his health routine.
  • A cardiac surgeon thought he had a healthy lifestyle. A heart attack forced him to make changes.
  • He ate well and exercised often, but his busy schedule left him stressed and sleep-deprived.
  • He also found he was pre-diabetic

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A man in camouflage gear looks through binoculars with a grey sky and almost-bare trees behind him
Ukraine shows the US it may not be guaranteed control of the air in a future war, and soldiers will have to be far more suspicious of what's flying above them.
  • Ukraine's fight is showing the US Army that soldiers need to fear what they haven't in a long time.
  • The director of its new drone course said US control of the air can't be promised like in the past.
  • That means soldiers

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OpenAI's Codex logo on a smartphone.
Alexander Embiricos shares what emails catch his eye.
  • OpenAI's Codex lead Alexander Embiricos shares why he thinks now is a great time to be an engineer.
  • He said because it's easier than ever to build things, engineers need to show agency and taste.
  • Embiricos said an email with a link to an interesting project stands out a lot more than résumés.

Alexander


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A Russian submarine is followed by British ships in the English Channel in 2025.
British forces track a Russian submarine in December.
  • Russia lacks the conventional military strength NATO has, a top Norwegian military official said.
  • The "inherent asymmetry" has pushed Moscow to prioritize more unconventional capabilities.
  • These include a focus on Russia's submarine force and its experimental nuclear weapons.

Russia is betting on its submarines and experimental nuclear


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two people looking at computer screen
While some may be reluctant to hire junior developers, others are doubling down on the talent pool.
  • Some companies have scaled back early-career hiring due to AI or economic concerns.
  • In contrast, these seven companies are expanding entry-level engineering talent.
  • IBM said it's tripling entry-level hires in 2026, and Cognizant is quadrupling its



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Close-up view of crossword puzzle.

The Mini is a bite-sized version of The New York Times' revered daily crossword. While the crossword is a lengthier experience that requires both knowledge and patience to complete, The Mini is an entirely different vibe.

With only a handful of clues to answer, the daily puzzle doubles as a speed-running test for many who play it.

So, when a tricky clue disrupts a player's flow, it can be



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Toby Neugebauer and Rick Perry
  • Fermi, a data center startup, has pitched itself as a utility built to power the AI boom.
  • But the company is a REIT, a corporate structure that limits how much power it can sell.
  • In the world of AI, companies aren't just pitching power — they're pitching a financial structure.

At a Wall Street conference in December, Toby Neugebauer, the CEO of Fermi America, pitched his company


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A man in a suit stands on a talk show stage surrounded by screenshots from a newsletter.

There's no love lost between Jimmy Kimmel and Donald Trump, and it doesn't look like the relationship will be healing anytime soon.

In the clip above the late night show host breaks down a recent fundraising email reportedly sent by the president to his followers in which he attacks Kimmel with insults and calls Jimmy Kimmel Live! a "failing late night show."

"He thinks he can sit in his Hollywood



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Leah cleaning robot vacuum with green cloth, getting help from her cat

Robot vacuums are clutch when they're working correctly — and uniquely infuriating when they're not. (A broken dishwasher could hardly incite the rage of stepping on crumbs that a robot vacuum should have easily sucked up.) If your robot vacuum isn't cleaning your floors as well as it used to, consider how long it's been since you cleaned your robot vacuum.

Obviously, general lifespan also plays a


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