Safari Live - Day 337 | National Geographic

Water is finite, but our demands for it are not. So in places where we have rivers running dry, what’s happening is our demands are bumping up against those limits of the finite supply. Our use of water for agriculture, for food production, for growing ci…

Can you trust Kurzgesagt videos? To answer this question, we’ll first explain how we research them and then talk a bit about past videos, and what we want to achieve with the channel. Making a Kurzgesagt video always begins with a question or an issue. F…

What’s up, Graham? It’s guys here, and here we go again. After a temporary pause, as of a few hours ago, the Federal Reserve increased their interest rates yet another 25 basis points, bringing us to the highest level that we’ve seen since the peak at the…

In 2014, the qualifying exam for the US Physics Team had this as question 19: A helicopter is flying horizontally at constant speed. A perfectly flexible uniform cable is suspended beneath the helicopter. Air friction on the cable is not negligible. So, w…

There are thousands of airports connecting cities across countries and continents. Yet, with just three letters from AAC and BBI to YYZ and ZZU, both me and you and our bags root round the world as unambiguously as practically possible: airport codes. If…

Anybody come in there and just be like, “Hey dude, I saw the thing,” and end up buying a plane? Yes, the answer is definitely yes. Not only have I had people just walk in the showroom and say, “I’m looking to buy something,” they sign an agreement right t…