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 ...

Henri Fayol’s management theory – the foundation of administrative management – offers a timeless framework of 14 principles that continue to shape business leadership today. This foundational model ...

In an era when many organizations struggle with employee engagement and rapid change, Charles Handy’s management theories offer enduring insights into building resilient, purpose-driven companies. The ...

OpenAI CEO Sam Altman wrote a tweet about the dead internet theory and was instantly informed that he was part of the problem. What is the theory, and how does it hold up in 2025? ByDani Di Placido, ...

Apple's iPhone 17, iPhone Air, AirPods Pro 3, and new Watches set the stage for a smarter future, but it comes at a price. IMAGE: The Apple iPhone 17. All photographs: Kind courtesy apple.com Apple ...

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 ...

Why do people get sick? Ask Robert F. Kennedy Jr., America’s highest-ranking public-health official, and he may chalk it up to their terrain. For centuries, doctors and scientists have agreed that ...

OpenAI CEO Sam Altman, creator of the most popular AI chatbot on Earth, says he’s starting to worry that “dead internet theory” is coming true. “I never took the dead internet theory that seriously,” ...

Today in hopefully off-the-wall fan theories from The Summer I Turned Pretty, there's speculation that Conrad Fisher might die at the end of the season. Gonna give you a moment to process that ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

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.