Mark Zuckerberg on Taking Risks and Finding Talented People

So let’s talk a little bit about groups of the periodic table. Now, in a very simple way to think about groups is that they just are the columns of the periodic table, and a standard convention is to number them. This is the first column, so that’s Group…

Our world is filled with beauty, but also tremendous power. There are forces of nature on our planet that can wreak incredible havoc, destruction, and devastation. Forces that seem unstoppable. But for every act of nature, there’s a force that is equally…

[Music] So we live on an acre and a half of land, and we have plenty of space to garden. So we can grow all sorts of different things. But even if we had just a teeny tiny yard, we could also grow a garden. And I’m going to show you one way to grow a gard…

Hi, this is Kim from Khan Academy, and today I’m learning about the Tenth Amendment to the Constitution, the last amendment in the Bill of Rights. The Bill of Rights was added in order to calm some of the fears held by those who felt that the new, stronge…

[Music] Earth and civilization, as we know it, has come a long way in the past 200,000 years and has experienced a multitude of changes. In that time, the human species has only existed for a mere 0.0015 percent of the immense 13.7 billion-year age of the…

I think what I’m aiming for is this notion of, I guess, seduction and revulsion. Something that’s really beautiful, really lush, rubbing up against something that’s also perhaps repulsive. I’m an artist and roadkill resurrector. The first body of work th…