Safari Live - Day 42 | National Geographic

Let’s say that you have some vials here, and you know that in the solution you have fragments of DNA in each of these. What you’re curious about is, well, what about the DNA fragments in this first vial, in vial number one? How long are those fragments? H…

People really want to know what it feels like to be a photographer, what it feels like to be sitting there in the stream when a bear comes walking in. I was cold, I was hungry, I was scared, I was excited. And so we started posting those stories, and it …

It’s a really good spot. Bears come from all directions; we can pretty much predict where they’re going to hunt. I’m going to set up a camera and try and get a shot of a bear smashing into a salmon. I’m with my camera, with my tripod, and a bear comes ou…

We’re now going to talk about Hinduism, which is one of the largest religions on Earth, practiced by over a billion people. It’s interesting for several reasons. First, it is considered to be one of the oldest religions that is still practiced. Some histo…

Hello and welcome to Khan Academy live SAT. I’m Eric, I’m an SAT tutor and one of the SAT experts here at Khan Academy, and I’m so excited to be with you today and over the course of the next few weeks as we cover SAT Math, reading, and writing with one c…

So let’s go piece by piece. One-way mission with people who would just agree to go one way, and he sends supplies in advance. There’s going to set up Hab modules. I’ve got an image of what his Hab modules would look like on Mars. I think we can put it up …