Satya Nadella on the journey to becoming Microsoft's CEO & reimagining technology's impact

Hey guys, so before talking about the vector form for the quadratic approximation of multivariable functions, I’ve got to introduce this thing called the Hessen Matrix. The Hessen Matrix, and essentially what this is, it’s just a way to package all the in…

You have all the time in the world until your world suddenly doesn’t have much time left. This year might be your last chance, so here are 15 things you’ve got one last chance to do. First up, change career fields. We seem to be at a breaking point here.…

Welcome back to Stoicism Insights, your go-to destination for timeless wisdom and practical life lessons inspired by the ancient philosophy of Stoicism. Today, we have something special in store for you. Prepare to embark on a journey of self-discovery, r…

The watch list, also known as the terrorist screening database, is used by U.S. intelligence agencies to nominate people as known or suspected terrorists. Over the past 15 years, the list has grown from a few thousand to more than 1 million names. But the…

Hi, I’m Salon, founder of the Khan Academy, and I just wanted to let you know how excited all of us are for what we have in store this coming back to school. First and foremost, this is going to be a big effort in terms of working with teachers and class…

When we make new discoveries, we need to be able to share them with others. The first thing we have to do is make sure everyone is on the same page. We do this by using units and frames of reference, which are also called reference frames. We talk about u…