Safari Live - Day 368 | National Geographic

We’re told that figure A is a scale image of figure B. So that’s figure A; this is figure B. Here, the scale that maps figure A to figure B is one to two and one half. What is the value of x? All right, pause this video and see if you can figure it out. …

Assassination politics is the name of an essay by a guy called Jim Bell. In it, Bell plausibly describes what he takes to be an inevitable technological event that will make it impossible for the state to exist, at least in the forms we’re familiar with r…

Thanks everyone for getting started. Hold on one moment and we’ll begin in about 10 minutes. Okay everyone, this is Jeremy Schieffeling with Khan Academy. Thank you so much for your patience getting started this morning or this afternoon, depending on wh…

We’re told the graph of y is equal to log base 2 of x is shown below, and I say graph y is equal to 2 log base 2 of negative x minus 3. So pause this video and have a go at it. The way to think about it is that this second equation that we want to graph i…

So right here I have a container of water that is open to the atmosphere. It’s standard atmospheric pressure up here. Let’s just assume that everything in our system—the air and the water, the container—everything is 21 degrees Celsius. Now, our chamber …

What’s up you guys? It’s Graham here. So, I think it’s a safe assumption that buying a home isn’t for everyone. Once you start looking at these statistics, that statement becomes very evident. It was found that 44% of homeowners regret their home purchase…