Safari Live - Day 337 | National Geographic

[Instructor] In our study of world history, we have looked at many different empires, and several of them are depicted on this map right over here. We spent a lot of time on the Roman Empire, and in the highlighted yellow, you see the Roman Empire at roug…

Given how crazy the economy, the stock market, and even the world has been over the past few months, there is a scary word that is appearing more and more often in headlines and in the news. This word is scary enough for some investors that even just the …

Are you your body? Well, kind of, right? But is there a line where this stops being true? How much of yourself can you remove before you stop being you? And does the question even make sense? Your physical existence is cells, trillions of them, at least …

In a previous video, we started thinking about things like population growth rate and how it relates to the birth rate and the death rate within a population. We related that to some of the seemingly complex formulas that you might see on an AP Biology fo…

This is actually the lead ship of Flight 19. Wow! The exact same plane as this is Flight 19. Yes. The final word to the men on Flight 19 have been studied and pored over. Every sentence and word analyzed, in depth, by the Navy’s after action report. And t…

What we’re going to do in this video is talk about significance levels, which are denoted by the Greek letter alpha. We’re going to talk about two things: the different conclusions you might make based on the different significance levels that you might …