Safari Live - Day 42 | National Geographic

I’ve learned to appreciate the quiet in the cold. It’s just not something you did in any other place and in any other season. We’re the loudest things out there, thinking about rare species. They’re such an important part of the landscape and something th…

Law works because it’s effectively backed up by a state, and that kind of breaks down in space a little bit. The whole legality of who owns what is going to fill volumes. There are international treaties that relate to space. The UN Outer Space Treaty 196…

In this video, let’s look at the periodic trends for ionization energy. So for this period, as we go across from lithium all the way over to neon. As we go this way across our periodic table, we can see in general there’s an increase in the ionization ene…

The Second Great Awakening was one of the most important social, religious, and cultural aspects of the early 19th century in the United States. In fact, I might even make the argument that it’s impossible to understand the early 19th century without unde…

Keep it together, wordsmiths! That’s right, the word in this video is conserve. Conserve is a verb, and it means to keep something safe, to protect a natural resource. You might also see it in its noun form, conservation, as in animal conservation. Let’s…

We are told that a baker uses eight cups of flour to make one batch of muffins for his bakery. Complete the table for the given ratio. So they’re saying that for every batch, he needs eight cups of flour, or he needs eight cups of flour for every batch. …