Safari Live - Day 337 | National Geographic

Jerry was reading about a study that looked at the connection between smartphone usage and happiness. Based on data from approximately 5,000 randomly selected teenagers, the study found that, on average, the teens who spent more time on smartphones were s…

In this video, we’re going to think about the market for apples. But the more important thing isn’t the apples; it’s to appreciate that the demand curves for a market are really the sum of the individual demand curves for every member of that market. Most…

Given how crazy the economy, the stock market, and even the world has been over the past few months, there is a scary word that is appearing more and more often in headlines and in the news. This word is scary enough for some investors that even just the …

Metal air cells need to be lightweight for many applications in order to transfer more electrons with a smaller mass. Sodium and calcium are investigated as potential anodes. A 1.0 gram anode of which of these metals would transfer more electrons, assumin…

Thank you. This is a YouTube video from the future. It’s 2030. Privacy is dead, and we’re happier than ever. Security cameras, dash cams, monitors, laptops, smartphones, even glasses—there are telescreens, sorry, cameras everywhere and we love them. We ca…

So it seems like pretty much everyone is worried about the economy right now, and for good reason. Inflation is at a multi-generational high. The last time inflation was this high in the United States was in 1981, more than four decades ago. In order to g…