Safari Live - Day 42 | National Geographic

Have you ever considered how your eye scans across a landscape? I think most people assume that, like a video camera, it pans smoothly across the scene. But I don’t actually think that’s what happens. In truth, I think the eye jumps from image to image as…

Do you have mentally weak friends? What if you’re a mentally weak friend? Well, let’s find out, shall we? Here are 15 signs. Your mentally weak first step. You internalize any negative statements other people make. They define who you are and how you fee…

[Music] If it’s a herd of elephants that have completely destroyed their crops, the reaction is to hit back at the animal, either injuring it or killing it fatally. One of the biggest things we found was that even though the government has compensation me…

As was the case with many philosophers of antiquity, Socrates led a frugal life. He had few possessions and even refused to wear shoes. Yet, he loved visiting the marketplace and went there often, just walking around and looking at stuff. So, a friend ask…

The Henderson-Hasselbalch equation is an equation that’s often used to calculate the pH of buffer solutions. Buffers consist of a weak acid and its conjugate base. So, for a generic weak acid, we could call that HA, and therefore its conjugate base would …

(upbeat music) [Rachel] Pangolins are a really unique group of mammals. They are covered with these scales that are made of keratin, which is the same material as human finger nails. And it’s those scales that are in high demand, and it’s driving a lot o…