Safari Live - Day 129 | National Geographic

Voltage is one of the most important quantities and ideas in electricity. In this video, we’re going to develop an intuitive feeling for what voltage means. It has to do with the potential energy of electrical charges, and that’s what we’re going to cover…

What’s of you guys? It’s Graham here. So, I don’t think this topic has really been covered much before on YouTube. We’ve all been focused on buying properties, investing in them, and then renting them out to tenants as a landlord. But what if, just hear m…

Hello everyone and welcome to this momentous day. It is the Great American Eclipse day and we’re here with National Geographic and Airbnb on this live stream on Facebook, YouTube, and Periscope. My name is Cara Santa Maria and I am a science communicator.…

Kylie suspected that when people exercise longer, their body temperatures change. She randomly assigned people to exercise for 30 or 60 minutes, then measured their temperatures. The 18 people who exercised for 30 minutes had a mean temperature, so this i…

Let’s see if we can take this quadratic expression here, ( x^2 + 16x + 9 ), and write it in this form. You might be saying, “Hey Sal, why do I even need to worry about this?” One, it is just good algebraic practice to be able to manipulate things. But as…

[Music] Well, we set off from Cape Town, and we’ve arrived here in this beautiful area known as the Wetlands Concession. This area is situated in the far eastern corner of Kruger National Park. As I worked here for a number of years, I got to know these l…