Safari Live - Day 368 | National Geographic

Everything in our world is made up of atoms. Yep, everything from the air we breathe to the water we drink, even the materials inside our cell phones. But what are atoms exactly? What’s inside of these atoms? What makes an atom an atom? Atoms are tiny pa…

What I want you to do is evaluate the expression 5x squared when x is equal to 3. Pause this video and have a go at that. All right, well we just have to think about every place we see an x; we’ll now replace it with a 3. So this is going to be equivale…

The City of London is a unique place—it’s the city in a city (in a country in a country) that runs its government with perhaps the most complicated elections in the world, involving medieval guilds, modern corporations, mandatory titles and fancy hats, al…

Most Gen Xers are in school during the crash, so at first they think, “Like, so what?” I’d never quite understood the stock exchange game enough to be interested. I would like to meet this Dow Jones; I thought he was a guy in all the Disney movies. I viv…

The goal of this video is to get an appreciation that you could have many, in fact, you could have an infinite number of functions that have the same limit as X approaches infinity. So, if we were to make the general statement that the limit of some funct…

What is ADHD? Really well, that’s not really smart of me to ask, seeing as you probably clicked on this video because that’s exactly what you’re wondering as well. Don’t worry, you’re not alone. ADHD is probably one of the most misunderstood conditions ou…