Safari Live - Day 42 | National Geographic

We are told that the first five ionization energies for a third period element are shown below. What is the identity of the element? So pause this video and see if you can figure it out on your own, and it’ll probably be handy to have a periodic table of …

This program features live coverage of an African safari and may include animal kills and carcasses. Viewer discretion is advised. Good afternoon, everybody! A very good afternoon on this Sunday, coming to you live from the Mara Triangle in Kenya. My nam…

It’s the day of the final cook, and I should be getting my fires going. Good morning, this is B. How are you? But I have a lead on one more special ingredient that I’m told can be harvested nearby. What is this secret ingredient? “Phegley, Sydney, multi-…

Today, the United States faces a health care crisis. Medical costs are too high, and health insurance is out of reach for the poor. The cure is obvious to nearly everybody: government must step in to solve the problem. Eighty years ago, Americans were al…

Let’s get some practice simplifying radical expressions that involve variables. So let’s say I have ( 2 \times \sqrt{7x} \times 3 \times \sqrt{14x^2} ). Pause the video and see if you can simplify, taking any perfect squares out, multiplying, and then tak…

All right, let’s start. Your camera is now recording. Let’s start the chicken’s camera. Say hello to the chicken. Hello, chicken. Say hello, chicken. Hello, chicken. All right, a couple years ago, I made a video called “Chicken Head Tracking.” Well, tod…