Figure 1: Internal-model control systems for voluntary movement and mental activity. The aim of this Perspective is to elaborate on previous descriptions of the internal-model hypothesis for the ...

“Business model” was one of the great buzzwords of the Internet boom, routinely invoked, as the writer Michael Lewis put it, “to glorify all manner of half-baked plans.” A company didn’t need a ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. The rational expectations theory is a concept and ...

Artificial intelligence (AI) company OpenAI says algorithms reward chatbots when they guess, the company said in a new research paper. OpenAI is referring to “hallucinations” when the large language ...

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

A new, cheaper artificial intelligence (AI) model has entered the technology race, this time from the United Arab Emirates (UAE). The Mohamed bin Zayed University of Artificial Intelligence (MBZUAI) ...

If you’ve upgraded to a newer iPhone model recently, you’ve probably noticed that Apple Intelligence is showing up in some of your most-used apps, like Messages, Mail, and Notes. Apple Intelligence ...

As tech races ahead, Chris Whitehouse (of counsel at RPC) unpacks the challenges it poses for the legal profession ...

Patrick Schwarzenegger and Abby Champion, after nearly a decade of dating, celebrated their love with a beautiful lakeside wedding in Idaho on September 7, 2025. The model, known for her work with ...