Safari Live - Day 337 | National Geographic

Hi there. I’ve been in this auditorium once before. I think it was before you were born; it was 1989. I was working for Tandem Computers, which was one of the biggest companies in Silicon Valley. The very wonderful, irreverent founder CEO was holding an a…

Which of the following functions are continuous for all real numbers? So let’s just remind ourselves what it means to be continuous, what a continuous function looks like. A continuous function—let’s say that’s my Y-axis, that is my X-axis—a function is …

You know, there are some people out there that are very good at making money, but for some reason, they never managed to become rich. They work hard every day, but no matter how much they earn, money seems to just slip through their fingers. You ever wond…

[Music] My name is Ellen. I’m a research assistant at Kong Leaf Development Lab. This is where we do our deception studies, and here we play three games with the kids. You’ve been doing such a good job, and we got off to such a good start that I kind of w…

Depending on where you grow up in the United States, you might hear a different story about the founding of this country. Now, I grew up in Pennsylvania, and the story that I heard was about the Pilgrims landing at Plymouth Rock. They were a group of deep…

This right here is a map of the Persian Empire in 490 BCE before the Common Era, and you see that it is an extensive empire. It was established by Cyrus the Great and then his successors. We talked about it in previous videos, how they were able to conque…