Safari Live - Day 42 | National Geographic

So we’re given a p of x; it’s a third degree polynomial, and they say plot all the zeros or the x-intercepts of the polynomial in the interactive graph. The reason why they say interactive graph, this is a screenshot from the exercise on Khan Academy, whe…

Have you ever felt the weight of constantly being reachable emotionally, physically, mentally? Have you ever wondered what might happen if instead of responding on command, you simply chose to pause, to withdraw, to be still? What would happen if your pre…

Standard cell potential, which is also called standard cell voltage, refers to the voltage of an electrochemical cell when reactants and products are in their standard states at a particular temperature. For a zinc-copper galvanic cell, solid zinc reacts …

I’m showing you this beautiful picture of snow-capped mountains overlooking this alpine lake because there’s a lot of light moving around. Now we’re going to talk about the different ways that light can interact with different media. But what I’m talking…

Hi, this is Kim from Khan Academy, and today I’m learning more about the Fifth Amendment to the U.S. Constitution. The Fifth Amendment is one of the better-known constitutional amendments since we frequently hear references to suspects taking the Fifth in…

Destin: “You wanna do it, yeah, do it.” “Very good.” “Hey, it’s me Destin, welcome back to Smarter Every Month… day! Smarter Every Day.” “If you’ve never had four children, you know that four children are a handful.” “Today on Smarter Every Day, my wife …