Ex-CIA Spy: China Is Preparing & We're Not Paying Attention! Here's What Happens If They Takeover!

[Music] Now for the marine forecast for Waters within five nautical miles from shore on Western Lake Superior, from Fort Wayne to Bayfield to Saxon Harbor, Wisconsin, and the outer Apostle Islands. It’s summer 2021, time of this radio broadcast. National…

[Narrator] Intense heat, freezing cold, high acidity, and radioactivity. These harsh environments don’t seem hospitable for life, but some organisms not only survive but thrive under such extreme conditions. The name extremophile means extreme lover. Th…

Hi everyone! Welcome to our homeroom live stream. I’m very excited about the conversation we’re going to have in a few minutes. But before that, I will give my standard announcement: a reminder that Khan Academy is a not-for-profit organization with a mis…

Or ask which of the following expressions are equivalent to 2 minus 9.4 plus 0 plus 3.71, and we need to pick two answers. So pause this video and see if you can have a go at it before we do this together. All right, now let’s look through the choices. S…

We’ve already been introduced to the chi-squared statistic in other videos. Now, we’re going to use it for a test for homogeneity. In everyday language, this means how similar things are, and that’s what we’re essentially going to test here. We’re going …

Our Earth’s surface temperature is somewhere close to 15° C—nice, cozy, and warm for us living beings. But what keeps us so warm? Well, my instinctive answer is that it’s the sun, right? But it actually gets more interesting. Our atmosphere has these gase…