Safari Live - Day 337 | National Geographic

The full moon emerges as if on cue. Sharks take off. Palaio and the team track their movements in near real time. [Music] Swimming 30 miles a day. [Music] So now we are big brother. Living as we sit here, I’m receiving messages saying that 11 out of t…

You probably know that power lines are very dangerous because they have very high voltage, right? So we should stay away from them. But then what about these birds? Why don’t they get electrocuted? To answer that question, we need to dig deeper into this …

Introducing Constitution 101: The National Constitution Center and KH Academy are teaming up to offer students a free online course on the US Constitution. Led by conversations hosted by Jeffrey Rosen, President and CEO of the National Constitution Cente…

The industrious little fire ant is working hard to help her colony settle in. She’s caring for the kids, keeping the place clean, and her family is growing fast. Meanwhile, this lakeside location has become totally bougie. Time to top it off and turn on t…

We’re told here is a graph of a segment of f of x is equal to x. That’s this graph right over here. And they say that g of x is equal to f of x minus 4. Graph g, and we can graph g with this little widget here. Now I would normally ask you to pause this v…

We’re asked which value for D we see D in this equation here makes x = -3 an extraneous solution for this radical equation. √(3x + 25) is equal to D + 2x, and I encourage you to pause the video and try to think about it on your own before we work through …