Safari Live - Day 129 | National Geographic

Set at the confluence of the Mekong and Nam Khan rivers, the port town of Luang Prabang in northern Laos is an exceptional combination of natural splendor and abundant spiritual traditions. [Music] The town was designated a World Heritage Site in 1995 for…

A total of 29.95 milliliters of 1.25 molar hydrochloric acid is required to reach the equivalence point. Calculate the concentration of potassium sorbate when you put the brackets; they’re talking about concentration in the stock solution. So, let’s just…

One of the most commonly used tools in all of statistics is the notion of a z-score. One way to think about a z-score is it’s just the number of standard deviations away from the mean that a certain data point is. So let me write that down: number of stan…

Janeshia was an amazing city of the Maya. What we see now is the civic and religious part of it, so we can tell these buildings were sacred. El Castillo, or Temple of Kukulkan, is an amazing building based on astronomical and mathematical science. I’ve be…

Oh my goodness! I mean, come on! I think you said there needs to be some litigation. There should be some litigation. Just look at that! People have stopped me saying, “Would you want to sell that watch?” No, pretty good knockoff. Teddy, totally [Music]. …

In the city of Cyprus in 300 BC, there lived a very wealthy trader called Zeno. While on a voyage from Phoenicia to Piraeus, his boat sank, along with all of his cargo. Because of that single event, an event that was entirely out of Zeno’s or anyone’s con…