Safari Live - Day 42 | National Geographic

So I have the same green rectangle up here and down here, and what I want to do is measure its width. But we’re going to measure its width in two different ways. Up here, we’re going to measure its width in terms of how many of these paper clips wide the …

All around the world, marijuana is being decriminalized, or even made legal. But is this really a good idea? In the online debate, the harmful sides are often downplayed. So let’s look at the three most powerful arguments against legalizing marijuana. Ar…

What we’re going to do in this video is talk about the notion of equilibrium in a macroeconomics context. So let’s review a little bit of what we’ve already studied about aggregate demand and aggregate supply. So this vertical axis here, that is the pri…

You probably know that power lines are very dangerous because they have very high voltage, right? So we should stay away from them. But then what about these birds? Why don’t they get electrocuted? To answer that question, we need to dig deeper into this …

So, the best investment by far is inflation. It is at its highest level in decades. As a result, inflation has been the number one concern for nearly everyone recently. But what if I told you there was a way for you to never have to worry about inflation …

All right, we’re told that the arithmetic sequence ( ai ) is defined by the formula where the ( i )-th term in the sequence is going to be ( 4 + 3 \cdot (i - 1) ). What is ( a{20} )? So, ( a{20} ) is the 20th term in the sequence, and I encourage you to …