Safari Live - Day 337 | National Geographic

It seems like nearly every video on YouTube is warning investors that stock prices are too high and that they should be worrying about an upcoming stock market crash. With the stock market hitting all-time highs, I need to better understand how I should b…

Hey there, wordsmiths! This video is about the word “align.” A line, this word has two definitions. The first is to support, ally, or associate with someone, and the second definition is to put things in a straight line. That’s its literal definition; it …

[Narrator] Acid rain sounds like something straight out of a sci-fi film, like strange raindrops that fall in a city and corrode everything. The truth is not far off, but the good news is that we know a lot about what causes acid rain and how to address i…

[Narrator] The flu is a highly contagious respiratory illness. It turns up year after year with devastating consequences, all caused by a most elusive virus. The influenza, or flu virus, is a recurring nightmare. It causes more than 36,000 deaths in the…

Oh, you can see it! Heart starting to beat right there. Oh, that’s crazy, look at that! Oh my God, beyond that, of course, like that turning into a chicken. There’s a lot that has to happen, but like, this is such a… it looks like a river Delta, and it’s …

[Voiceover] Blue food coloring can be oxidized by household bleach, which contains hypochlorite ion, or OCI-, to form colorless products, as represented by the equation above. So we have this equation where we have blue food coloring, which has this chemi…