Safari Live - Day 42 | National Geographic

Let’s review calculating confidence intervals for proportions. So, let’s say I have a population and I care about some proportion. Let’s say I care about the proportion of folks that are left-handed. I don’t know what that is, and so I take a sample of s…

Hello and welcome to the Learnstorm Growth Mindset live stream! I’m Rachel, a Senior Communications Manager at Khan Academy, and I am so excited to welcome you to the Khan Academy offices here in sunny California. Today’s live stream is going to be about …

Vsauce. Today on my subway ride into work, I earned the very final star I needed in Angry Birds. But I know what you’re thinking. “Michael, I don’t care. I want things I can do online now, gosh!” DONG. Let’s begin with Leanback. That’s right, there’s a …

Positioning rocks to make the perfect cover, the trap is set. Well-earned brain food. The island octopus has thought up, tested, and executed a killer hunting technique. Six months old, entirely self-taught, and already an accomplished strategist, as she…

[humming] MELISSANDE: You were gone a long time. Yes, I stopped to watch a bird. A bird. A cunning black bird. It was going after a woodchuck. And after, where did you go? If you wish, I will fetch Rene Sel down from his work so you can ask him, or perh…

I do understand where people think that you should not disturb a grave. But I think it’s a personal decision for the family, and for our family, it was the right decision to get him out of there. My grandfather died at Pearl Harbor, but it was not where h…