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

Hello AP Calculus students! This is Sal Khan of the Khan Academy. As we all know, the AP Calculus exams, both the AB and BC exams, are coming up this Thursday, May fifth. I’m sure you are buzzing with as much excitement as I am. In case you didn’t alread…

And usually, do you have a 20 minutes a day, twice a day? What is your regimen? Yeah, I try to do it twice a day for 20 minutes each time. Usually before breakfast and before dinner. Um, but I’m not perfect. You know, I would say probably a third of the …

I believe that to truly slow down, you have to change the way you travel. Cycling allows me to travel more fluidly, to connect more deeply with my surroundings and, I hope, with the people who call this place home. I’m Michael George and I’m a National Ge…

As you get richer, things change, right? Including how you spend your time, but also how you look at the time. Ever wonder what your watch says about you and your bank account? Well, from the first costume you buy with your allowance to the Rolex you flau…

Let’s say that we wanted to take the indefinite integral of ( x^2 \times (3x - 1) \, dx ). Pause this video and see if you can evaluate this. So you might be saying, “Oh, what kind of fancy technique could I use?” But you will see sometimes the fanciest …

I definitely would not want to fall from this height. We need to get to the hive out of the branches and lower it down. We’re going to bring it down. We’re going to lower it. This thing is heavy, yeah, I have it. Bees release pheromones when they’re threa…