No skill is more important in today's world than being able to think about, understand, and act on information in an effective and responsible way. What's more, at no point in human history have we had access to so much information, with such relative ease, as we do in the 21st century. But because misinformation out there has increased as well, critical thinking is more important than ever. These 24 rewarding lectures equip you with the knowledge and techniques you need to become a savvier, sharper critical thinker in your professional and personal life.

A resource for learners of the English language to expand their vocabulary through 5 20-minute sessions of increasingly complex but commonly used English words. To help, learning and retention of words are approached in multiple ways, using definitions, sentence usage, questions, stories, opposites, similar words and other techniques.

What is our species' greatest invention? Medicine, computers, space travel? Not even close. The innovation that underlies each of our past achievements and those we still aspire to is language. Language is the ultimate invention of Homo sapiens - one that has allowed us to change the physical and social world around us in every conceivable way, and an invention that has fundamentally changed us, as well.

What is that magic quality that makes some people instantly loved and respected? Everyone wants to be their friend (or, if single, their lover!) In business, they rise swiftly to the top of the corporate ladder. What is their "Midas touch?"

Decades of research on achievement suggests people at the top of their game tend to reach their goals because of what they do - not because of who they are. In this short, provocative, and useful HBR Single, motivational psychologist Heidi Grant Halvorson translates the psychological secrets of these winning human beings for your use.