Safari Live - Day 337 | National Geographic

Katarina was testing her null hypothesis that the true population mean of some data set is equal to zero versus her alternative hypothesis that it’s not equal to zero. Then she takes a sample of six observations, and using that sample, her test statistic,…

Hello everyone! Today we are going to be talking about Earth’s place in space. So, for as long as there have been humans, we’ve been looking up at the stars and wondering about our place in the universe. Our understanding about this has improved over tim…

So, you’re looking to buy a car. So, I’ll at least tell you how I would approach buying a car. The first thing is thinking about what you can afford, and I would think about that before you even look at the types of cars you might want to buy. Because it …

Please don’t do these mistakes if you’re a beginner learning Japanese. Hi guys, it’s me Dy. If you’re new to this channel, I’m half Japanese and you know I grew up talking Japanese, and Japanese is my mother tongue. Today, we’re going to talk about the m…

[Voiceover] Electric Charge is a property that some, but not all fundamental particles in nature have. The most commonly talked about fundamentally charged particles are the electrons, which orbit the outside of the atom. These are negatively charged. The…

[Katie] These are the horses that don’t fit in in any other place. All of these abandoned animals were getting sent to slaughter. They would have been killed. I think what they’re doing here is incredible. I’m born and raised in New York City. I still l…