Safari Live - Day 368 | National Geographic

So we have the function ( f(x) = x^6 - 3x^5 ) and we want to know over what intervals is ( f ) decreasing. We’re going to do it without even having to graph ( y = f(x) ). The way we do that is we look at the derivative of ( f ) with respect to ( x ) and t…

Hey, it’s me Destin. Welcome back to Smarter Every Day. I’m currently sitting in an airport with my oldest son and we’re on our way to Idaho. Destin: Where does Superman get his superpowers? Son: Krypton. Destin: The planet Krypton. What about Batman? Ho…

All right, this problem is a classic. You’re going to see this in basically every single physics textbook. The problem is this: if you’ve got two masses tied together by a rope and that rope passes over a pulley, what’s the acceleration of the masses? In …

You really want to have a database in your mind so that you can tell what kind of a business you’re looking at in general by looking at the figures. Uh, it’s far over right. We never look at any analyst reports. I mean, I don’t think I’ve, you know, if I …

Rober De Niro and Rober De Faro and shoelace love. It’s episode 46 of IMG! Here’s a great infographic about New Year’s resolutions. For instance, 88% of them fail. But you see these images of cats? They are cat scans. For something sweet, check out SCAND…

Okay, you’re almost ready. Oh wait, I’m almost ready. Okay, um, there you go. Okay, ready? And the zombie mobile! Three, two, one… oh! One baby boy! I almost want to work. Mine didn’t work. I, I need a do-over. All right, three, two, one… it didn’t work …