Safari Live - Day 42 | National Geographic

We have a repatriation of ancient artifacts from Egypt. It includes a child sarcophagus about 2,600 years old, the top of another mummy sarcophagus, a burial shroud from inside a mummy sarcophagus, and finally, there is a mummified hand which was collecte…

Let’s talk a little bit about ionic solids, which you can imagine are solids formed by ions. So let’s think a little bit about these ions. For example, we could look at group one elements here, especially things like lithium, sodium, or potassium. In many…

[Music] America looked at capitalism as a failed experiment. This is the example of the time when capitalism broke. There was a terrible deflation, a shortage of money so little money that people made their own monopoly money, their own script. It was so …

Want to know what the surface of Mars feels like? Well, this is MGS1, a precision Martian regolith simulant used by NASA, ISRO, private space companies, and universities to simulate the ground on Mars. It’s manufactured by Space Resource Technologies righ…

Let’s see if we can simplify this expression, so pause the video and have a try at it, and then we’re going to do it together right now. All right, so when you look at this, it looks like both the numerator and the denominator, they might—you might be ab…

Maria has 70 pages in her notebook. She made a graph of the kinds of writing on all the pages she has used so far. How many pages are left in Maria’s notebook? So down here, we have a picture graph or pictograph showing all the pages Maria’s used so far …