Safari Live - Day 129 | National Geographic

We in Port Protection are very lucky for the abundance of seafood. Wildlife, most everything we get comes from nature. The waters of Port Protection present a feast to those who know how to catch it. But few take better advantage of her bounty than 36-yea…

Hey, I’m Kim Kutz Elliott and I work on humanities content at Khan Academy. So yeah, I thought about things that were really difficult for me. One thing, um, that was hard for me was class discussion because I went to this history class, and I swear that…

We’ve been doing some interesting things in the last few videos. We let go of our Newtonian assumptions that the passage of time is the same in all inertial frames of reference, that time is absolute, that one second in my frame of reference is the same a…

MAN: Transylvania, the name conjures it all—dense pine, impassable, craggy cliffs, thick ground fog. This is the mythic forest of your childhood nightmare. Bran Castle, billed as the last standing relic of a man some call Dracula. The story goes that Roma…

Of all angels, Lucifer was the most magnificent God had created. Aware of his beauty, brilliance, and many qualities, Lucifer felt elevated above the other angels and, at some point, even above God. He wanted to be like God, so he created a throne for him…

What we’re going to do in this video is talk about two related ideas that are really the foundations of economics: the idea of scarcity and the idea of rivalry. Now in other videos, we do a deep dive into what scarcity is, but just as a review in everyda…