Safari Live - Day 42 | National Geographic

Your job is to be an optimist. Your job is to believe amazing things about what you can do with your life and what you do in the world when you’re young. That’s the point. That’s the point. That’s why the world needs young people. [Music] This is Michae…

So I have some data here in a spreadsheet. You could use Microsoft Excel or you could use Google spreadsheets, and we’re going to use the spreadsheet to quickly calculate some parameters. Let’s say this is the population. Let’s say this is—we’re looking a…

So, in single variable calculus, if you have a function f of x and you want to find the maximum or the minimum of this function, what you do is you find its derivative and you set that equal to zero. Graphically, this has the interpretation that, you know…

Tell me about how did you come to dive under the North Pole. One day I’m sitting in my office so long about four o’clock, I’m bored, and the phone rings. In 1979, Gil Grosvenor was the editor of National Geographic magazine. In that job, you don’t stay bo…

NARRATOR: September 11, 2001, terror strikes set the tone for warfare in the 21st century. But the 21st century has also seen the rise of another kind of warfare— warfare that lets nations and loners do battle without guns or bombs. These days, the bigges…

So I want to talk about what does it take to build a brand. People come to me all the time saying, “Oh, I have a brand.” You can’t build a brand; your customers build the brand. They’re the ones that gift you the value and the equity of a brand. So what …