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

[Music] When someone is asked what they want to do with their life, we’re used to a familiar response: “I want to change the world. I want to make an impact.” While there are certainly many people who have made extraordinary contributions to society over …

Hello and welcome to Ed Talks with Khan Academy, where we talk education with a variety of experts in the field. Today, I am excited to talk to my own teammate Dr. Adam Green about new content that we have just released on Khan Academy for the start of th…

We’re told that a certain mapping in the x-y plane has the following two properties: each point on the line ( y = 3x - 2 ) maps to itself. Any point ( P ) not on the line maps to a new point ( P’ ) in such a way that the perpendicular bisector of the segm…

Hey guys! So really quick, I want to address a previous controversy. In a previous video, I tore up this hundred dollar bill to illustrate how the FED removes money from the economy. I understand that this was upsetting to some viewers, but rest assured n…

We’re asked to simplify the expression by removing all factors that are perfect squares from inside the radicals and combining the terms. So, let’s see if we can do it. Pause the video and give it a go at it before we do it together. All right, so let’s …

A ball of fire pierces the atmosphere of Mars, plummeting towards the surface at 13,200 miles per hour. This fireball across the horizon marks the end of a 301 million mile journey for NASA’s InSight and the beginning of a groundbreaking mission. For five…