Most executives are laser-focused on revenue growth because they assume it’s the quick path to profit. But you don’t fix a leaky bucket by further opening the faucet; you fix the holes. In ...

Royal Caribbean Group posted a better-than-expected quarterly profit Thursday, but the Iran war is expected to leave a mark on its bottom line. The cruise line reported 11% revenue growth to $4.5 ...

Plus: OpenAI has ended its exclusive partnership with Microsoft. This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of ...

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Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly ...

Political analyst Jai Mrug breaks down the Tamil Nadu "number game", explaining why an 8% vote share is the critical threshold for any new entrant to be electorally relevant in the state. Using ...

Axiom Math is giving away a powerful new AI tool. But it remains to be seen if it speeds up research as much as the company hopes. Axiom Math, a startup based in Palo Alto, California, has released a ...

OpenAI’s GPT-5.4 Pro has solved an open mathematical problem that human researchers could not crack since 2019, according to independent verification by Epoch AI. Contributed by mathematicians Will ...

Texas Roadhouse built a booming business on affordable steak dinners. CEO Jerry Morgan explains how the chain keeps that formula working as beef prices rise. Photo: Poste Golden for WSJ Profits at the ...

Some readers may solve the problem procedurally: line up the two numbers, add the ones column, carry the one, and add the tens to get 43. Others might instead notice a creative shortcut: 29 + 14 is ...

Using only the numbers 1, 2, 3, 4, 5 and 6 and the mathematical operations addition, subtraction, multiplication and division, can you arrive at the value 456? You ...