Safari Live - Day 368 | National Geographic

We’ve been told throughout our lives to eat certain foods because they contain vitamins, or sometimes people might say they also contain some minerals that you need. So the obvious question is, well, what are vitamins and what are these minerals that fol…

[Narrator] Wooly mammoths, step bison, and other large mammals once roamed alongside people across Eurasia. Tens of thousands of years later, we may have a glimpse into this Ice Age world through the cave art left behind by early humans. (tinkling music) …

Hello Kim. Hey David! So let’s talk about the lost colony at Roanoke. This is something I’ve been learning a lot about lately, and I think it’s really interesting. You know, we often think about this just in terms of the spookiness of there’s this colony…

In a world that often feels consumed by the rush of daily life, there’s something profound about standing before nature’s grand show, experiencing landscapes that leave us with this humbling sense of scale. It nurtures our souls and heightens our senses. …

Hey, it’s me Destin. Welcome back to Smarter Everyday. Today, we’re in rural Tennessee for an actual artillery competition. And if you learn anything from this truck that’s coming up behind me, this is pretty legit. There’s dudes from all over the country…

Calorimetry refers to the measurement of heat flow, and a device that’s used to measure heat flow is called a calorimeter. An easy way to make a calorimeter is to use two coffee cups. So at the base here, we have one coffee cup, and then we can also use a…