Safari Live - Day 121 | National Geographic

Plastics are being used to such an extent throughout the world that we may well ask what was used before its discovery. Before 1950, plastic was barely a part of American life. So how did our culture become so plastic? Modern plastic didn’t really get it…

What we’re going to do in this video is see that if we have two different triangles where the corresponding sides have the same measure. So this orange side has the same length as this orange side. This blue side has the same length as this blue side. Thi…

So basically you’re getting these people with big down payments who are making a lot of money, who can afford these houses, who are buying; this is hardly a bubble, and this is very sustainable long term because none of these people are ever gonna let the…

Consider the curve given by the equation (y^3 - xy = 2). It can be shown that the derivative of (y) with respect to (x) is equal to (\frac{y}{3y^2 - x}). All right, write an equation for the line tangent to the curve at the point ((-1, 1)). So, we could…

Most of our desires are picked up through society: what other people are doing, what my friends are doing, what my brother’s doing, what my classmates are doing, what my wife wants, etc. So we copy those desires, and then we make them part of ourselves, a…

It’s almost as if they get to run this game every day with multiple companies and all you’re trying to do is raise money and get back to work. Hey, this is Michael Seibel with Dalton Caldwell and welcome to Rookie Mistakes. We’ve asked YC founders for th…