Abstract: We derive a conditional version of the classical regret-capacity theorem. This result can be used in universal prediction to find lower bounds on the minimal batch regret, which is a ...

Conditionals can be confusing, but they don’t have to be! In this lesson, Claire explains the zero, first, second, and third conditionals with simple examples that actually make sense. You’ll learn ...

In case you've faced some hurdles solving the clue, Regrets deeply, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure time, and test your ...

Ready to unlock your full math potential? 🎓Subscribe for clear, fun, and easy-to-follow lessons that will boost your skills, build your confidence, and help you master math like a genius—one step at ...

The best time to plan for retirement is long before your nonworking days arrive. It’s possible to head off some of the most common retirement mistakes. If you spend more time worrying about retirement ...

President Donald Trump seemed to concede Wednesday that he was not eligible to serve a third term, lamenting that it was an unfortunate result of the constitutional prohibition that he has mused about ...

Crypto project Ethena’s yield-bearing stablecoin briefly lost its dollar peg during a market rout that triggered record liquidations. USDe, which is marketed as a “synthetic dollar” and currently ...

Online, we often see entire articles about signs a man feels trapped in a marriage. It’s a common issue that often results in a divorce if things aren’t addressed in time. What most people don’t ...

Andrew Kessel was a breaking news writer for Investopedia until October 2025. He previously covered markets for Proactive Investors, with a focus on small-cap stocks in fintech, healthcare, mining, ...

“I’ll say it even though you’re here: My biggest regret is not doing ‘Boogie Nights,'” DiCaprio admitted. “It was a profound movie of my generation. I can’t imagine anyone but Mark [Wahlberg] in it.